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Form N-CSR PIONEER MID CAP VALUE For: Oct 31

December 29, 2017 10:27 AM EST
UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-CSR

                   CERTIFIED SHAREHOLDER REPORT OF REGISTERED
                        MANAGEMENT INVESTMENT COMPANIES



		Investment Company Act file number 811-06106

                          Pioneer Mid Cap Value Fund
               (Exact name of registrant as specified in charter)


                       60 State Street, Boston, MA 02109
              (Address of principal executive offices) (ZIP code)


            Terrence J. Cullen, Amundi Pioneer Asset Management, Inc.,
                       60 State Street, Boston, MA 02109
                    (Name and address of agent for service)


Registrant's telephone number, including area code:  (617) 742-7825


Date of fiscal year end:  October 31


Date of reporting period:  November 1, 2016 through October 31, 2017


Form N-CSR is to be used by management investment companies to file reports with
the Commission not later than 10 days after the transmission to stockholders of
any report that is required to be transmitted to stockholders under Rule 30e-1
under the Investment Company Act of 1940 (17 CFR 270.30e-1).  The Commission may
use the information provided on Form N-CSR in its regulatory, disclosure review,
inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-CSR,
and the Commission will make this information public. A registrant is not
required to respond to the collection of information contained in Form N-CSR
unless the Form displays a currently valid Office of Management and Budget
("OMB") control number. Please direct comments concerning the accuracy of the
information collection burden estimate and any suggestions for reducing the
burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW,
Washington, DC 20549-0609.  The OMB has reviewed this collection of information
under the clearance requirements of 44 U.S.C. ss. 3507. 


ITEM 1. REPORTS TO STOCKHOLDERS.
  
                        
                        Pioneer Mid Cap
                        Value Fund

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                        Annual Report | October 31, 2017
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                        Ticker Symbols:
                        Class A     PCGRX
                        Class C     PCCGX
                        Class K     PMCKX
                        Class R     PCMRX
                        Class Y     PYCGX

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                          visit us: www.amundipioneer.com


Table of Contents


President's Letter                                                             2
                                                                                
Portfolio Management Discussion                                                4
                                                                                
Portfolio Summary                                                              9
                                                                                
Prices and Distributions                                                      10
                                                                                
Performance Update                                                            11
                                                                                
Comparing Ongoing Fund Expenses                                               16
                                                                                
Schedule of Investments                                                       18
                                                                                
Financial Statements                                                          23
                                                                                
Notes to Financial Statements                                                 32
                                                                                
Report of Independent Registered Public Accounting Firm                       40
                                                                                
Additional Information                                                        41
                                                                                
Trustees, Officers and Service Providers                                      44
Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 1 President's Letter Robust, synchronized global economic growth and rising corporate profits have continued to drive strong performance in both the credit and equity markets for most of 2017. U.S. stocks, as measured by the Standard & Poor's 500 Index, returned 14.23% through the end of the third quarter. Fixed-income markets, while not generating the same dazzling returns as equities, held their own, led by high-yield securities, which produced a return of 7.05% in the U.S., as measured by the Bank of America Merrill Lynch U.S. High Yield Index. Meanwhile, the Bloomberg Barclays U.S. Aggregate Bond Index returned 3.14% over the first three quarters of the calendar year. Continued strong employment numbers and higher consumer confidence, together with solid global economic growth and a depreciating U.S. dollar contributed to better-than-expected U.S. gross domestic product (GDP) growth of more than 3% in both the second and third quarters. Outside the U.S., economic growth in the second quarter also surprised to the upside across the Euro zone, China, and Japan. Meanwhile, despite higher oil and commodities prices, inflation continued to be moderate, both in the U.S. and globally, enabling major non-U.S. central banks to maintain their easy monetary policies. As expected, however, the U.S. Federal Reserve System (the Fed) recently announced that it would commence tapering its balance sheet this October. The Fed also appears primed to raise interest rates one more time before the end of this year, which would be the fourth rate increase since December of 2016. As we move into the final months of 2017, we believe the U.S. economy will experience modest growth in the short term, depending on the mix of economic policies enacted as the country moves away from monetary stimulus (driven by the Fed) and toward fiscal stimulus (potentially including tax reform) as well as lighter regulatory burdens. Meanwhile, corporate earnings remain solid and we think they will improve even further, despite the possibility of some pressure from wage increases. In addition, it is our view that the economy will continue to grow and that we may begin to see a modest upturn in inflation. In that scenario, we anticipate that the Fed will continue to raise interest rates. While economic and market conditions appear solid, there are always risks to consider that could dampen the outlook. Geopolitical concerns, such as increased tensions with North Korea, and continued political gridlock in Washington are just some of the risks that could lead to increased market volatility. 2 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 It is for those reasons that we at Amundi Pioneer continue to believe that investors can benefit from the experience and tenure of our investment teams who make active and informed decisions across our funds. As always, and particularly during times of market uncertainty, we encourage you to work with your financial advisor to develop an overall investment plan that addresses both your short- and long-term goals, and to implement such a plan in a disciplined manner. We greatly appreciate the trust you have placed in us and look forward to continuing to serve you in the future. Sincerely, /s/ Lisa M. Jones Lisa M. Jones Head of the Americas, President and CEO of U.S. Amundi Pioneer Asset Management USA, Inc. October 31, 2017 Any information in this shareowner report regarding market or economic trends or the factors influencing the Fund's historical or future performance are statements of opinion as of the date of this report. Past performance is no guarantee of future results. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 3 Portfolio Management Discussion | 10/31/17 In the following interview, Edward T. "Ned" Shadek, Jr. discusses the factors that affected the performance of Pioneer Mid Cap Value Fund during the 12-month period ended October 31, 2017. Mr. Shadek, a senior vice president and a portfolio manager at Amundi Pioneer Asset Management, Inc. ("Amundi Pioneer"), is responsible for the day-to-day management of the Fund. Q How did the Fund perform during the 12-month period ended October 31, 2017? A Pioneer Mid Cap Value Fund's Class A shares returned 18.56% at net asset value during the 12-month period ended October 31, 2017, while the Fund's benchmark, the Russell Midcap Value Index, returned 17.12%. During the same period, the average return of the 423 mutual funds in Lipper's Mid-Cap Core Funds category was 20.48%, and the average return of the 412 mutual funds in Morningstar's Mid-Cap Value Funds category was 18.48%. Q How would you describe the investment environment for equities during the 12-month period ended October 31, 2017? A The combination of improving domestic and global economic growth, rising corporate earnings, and the prospects for tax reform and fewer regulatory burdens in the United States boosted investor sentiment and helped drive gains in the U.S. equity market during the period. The market's momentum derived, in part, from the "Trump Trade," a late-year 2016 rally that began with Donald Trump's victory in the presidential election shortly after the start of the Fund's fiscal year. The rally lasted for several weeks before cooling, but the equity market, despite a few minor interruptions, continued to register solid gains throughout the 12-month period as U.S. economic growth, as measured by gross domestic product (GDP), topped the key 3% mark in both the second and third calendar quarters. The domestic employment situation also helped instill confidence in the market, as the U.S. unemployment rate at period end was a very low 4.1%. Meanwhile, inflation remained in check and the U.S. Federal Reserve (the Fed) maintained a gradual approach toward tightening monetary policy, raising interest rates three times during the period, but with no rate hikes after June. The Fed did begin reducing its rather large balance sheet in October, but also at a moderate pace. Within the U.S. equity market, growth stocks outperformed value stocks over the 12-month period, as the 17.12% return of the Fund's benchmark, the Russell Midcap Value Index (the Russell Index), was easily bested by the 26.25% return of the Russell Midcap Growth Index. As for individual 4 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 sectors, information technology, financials, materials, and industrials were by far the best-performing areas within the Fund's benchmark, with each returning better than 27% over the 12 months. Telecommunication services and energy were the only two sectors to finish the fiscal year in negative territory. Energy stocks did rally late in the period, however, as oil prices, which had fallen as low as $46.17 per barrel in June, experienced an $8 per barrel uptick from July through the end of October. Q The Fund's return over the 12-month period ended October 31, 2017, was better than the return of the Russell Index. What were the main factors that benefited the Fund's benchmark-relative performance during the period? A The market environment during the period fit with our overall expectations for solid economic growth and a rising interest-rate environment. Therefore, we had positioned the portfolio for both an up market as well as rising rates, and the positioning helped the Fund's relative performance. Both stock selection and sector allocation decisions were positive contributors to the Fund's benchmark-relative returns during the period. With regard to asset allocation, the portfolio's overweights to the strong- performing financials and information technology sectors and an underweight to the weaker-performing real estate sector benefited benchmark-relative performance. As for stock selection, results in health care, financials, and information technology were major positive contributors to the Fund's benchmark-relative returns. Individual portfolio positions that aided the Fund's relative results during the period included ON Semiconductor and CDW, in information technology; Jazz Pharmaceuticals, in health care; and Radian and Lincoln National, in financials. ON Semiconductor has continued to benefit from its recent acquisition of Fairchild Semiconductor, especially in the area of cost reductions, which are well ahead of schedule. The prevailing, positive environment for semiconductor firms in general also boosted ON's performance. CDW is a distribution firm for technology equipment manufacturers. The company works mainly with medium-sized tech equipment manufacturers, and, in addition to providing distribution services, CDW advises those companies on what areas of their businesses they should emphasize, for which CDW receives an advisory fee. The company continues to take market share and is now expanding internationally, with growth rates that exceed the current rate of GDP. In health care, Jazz Pharmaceuticals, the largest position in the Fund as of October 31, 2017, aided benchmark-relative performance during the period. The company has been heavily dependent on sales of Xyrum, a drug for sleep Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 5 disorders, but is now diversifying by purchasing patents and expanding its portfolio. Negative market sentiment toward specialty pharmaceutical firms in general - driven by other companies in the industry piling up too much debt - has hurt Jazz's performance of late, but the company has a good balance sheet and we think it has the ability to make accretive acquisitions. In addition, the stock remains inexpensive, and we are very positive about the company's management team. In financials, the portfolio's allocations are mostly in banks and insurance companies, due to our expectation of rising interest rates. Lincoln National, an insurance company, and Radian, were the top contributors to the Fund's benchmark-relative returns within the sector. Radian is in the private-mortgage-insurance (PMI) business. The company has a new CEO, and we think rising interest rates should help performance going forward, especially if President Trump's stated desire to reduce or eliminate government subsidies on some mortgages becomes a reality, as such a development would likely increase the use of PMI by new homebuyers. Q What investments or strategies detracted from the Fund's benchmark-relative performance during the 12-month period ended October 31, 2017? A The biggest detractors from the Fund's benchmark-relative returns during the period were stock selection results in the industrials and energy sectors, and a slight portfolio overweight to energy, a sector that experienced negative performance over the 12 months. In the industrials sector, the largest detractor from the Fund's benchmark- relative performance, by a wide margin, was a position in Chicago Bridge & Iron, an engineering/construction company that builds plants for other companies. Chicago Bridge's performance during the period struggled due to cost overruns on some of its major construction projects, as the company takes on a lot of risk when it works on such projects. We had purchased the stock as a play on infrastructure, given President Trump's campaign pledges about boosting infrastructure spending. Unfortunately, that spending has yet to materialize. Chicago Bridge recently replaced its CEO, and we are encouraged, thus far, by what we have seen from the new CEO. We still hold the stock in the portfolio. Airline United Continental was another holding in the sector that detracted from the Fund's relative returns during the period. United has been beset by episodic price skirmishes in some of the domestic markets it serves. We still own the stock, however, as we believe United still has some upside potential. 6 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 In energy, offshore drillers Ensco and Transocean struggled during the period and detracted from the Fund's benchmark-relative performance. Offshore drilling is a higher-risk/higher-reward segment of the energy sector, and we thought the outlook for the industry was better than it turned out to be. Offshore drillers need higher oil prices, but prices remained subdued for most of the period before rallying over the final few months. We sold both positions from the portfolio before period end. Q Did you invest the Fund in any derivative securities during the 12-month period ended October 31, 2017? A No, the Fund did not own any derivatives during the period. Q What is your outlook, and how is the portfolio positioned as we move into a new fiscal year? A We remain cautiously optimistic about the relative and absolute return potential for mid-cap value equities. In an environment of reasonable economic growth, favorable interest rates, growth tailwinds in multiple industry groups, and prospects for an acceleration in mergers and acquisitions, we believe mid-cap equities stand to benefit. We believe we have entered an environment of attractive, synchronized global growth, and we believe most key domestic economic indicators signal ongoing strength for the current business cycle -- but not strength that is likely to overheat the economy and cause the Fed to raise interest rates faster than current expectations. In selecting securities for the portfolio, we continue to take a bottom-up approach, while making bets on some larger positions. In the current environment, we believe we can still find names with good management teams and growth prospects. Equity valuations are not as good as they were a couple of years ago, but they are not too stretched either. As of October 31, 2017, financials and information technology represented the Fund's two largest sector overweights versus the benchmark, while utilities and real estate, both interest-rate-sensitive sectors, were the two largest underweights. The Fund had an approximate equal weight in energy versus the benchmark as of period end, and was slightly underweight in industrials and overweight in consumer discretionary (we like the valuations in consumer discretionary better than in industrials). Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 7 Please refer to the Schedule of Investments on pages 18-22 for a full listing of Fund securities. All investments are subject to risk, including the possible loss of principal. In the past several years, financial markets have experienced increased volatility, depressed valuations, decreased liquidity and heightened uncertainty. These conditions may continue, recur, worsen or spread. Investments in mid-sized companies may offer the potential for higher returns, but are also subject to greater short-term price fluctuations than larger, more established companies. Investing in foreign and/or emerging markets securities involves risks relating to interest rates, currency exchange rates, economic, and political conditions. The portfolio invests in REIT securities, the value of which can fall for a variety of reasons, such as declines in rental income, fluctuating interest rates, poor property management, environmental liabilities, uninsured damage, increased competition, or changes in real estate tax laws. When interest rates rise, the prices of fixed income securities in the fund will generally fall. Conversely, when interest rates fall, the prices of fixed income securities in the fund will generally rise. At times, the Fund's investments may represent industries or industry sectors that are interrelated or have common risks, making it more susceptible to any economic, political, or regulatory developments or other risks affecting those industries and sectors. These risks may increase share price volatility. Before investing, consider the product's investment objectives, risks, charges and expenses. Contact your advisor or Amundi Pioneer Asset Management, Inc. for a prospectus or summary prospectus containing this information. Read it carefully. Any information in this shareholder report regarding market or economic trends or the factors influencing the Fund's historical or future performance are statements of opinion as of the date of this report. Past performance is no guarantee of future results. 8 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Portfolio Summary | 10/31/17 Portfolio Diversification -------------------------------------------------------------------------------- (As a percentage of total investment portfolio) [THE FOLLOWING DATA WAS REPRESENTED AS A PIE CHART IN THE PRINTED MATERIAL] U.S. Common Stocks 94.3% International Common Stocks 5.7%
Sector Distribution -------------------------------------------------------------------------------- (As a percentage of equity holdings) [THE FOLLOWING DATA WAS REPRESENTED AS A PIE CHART IN THE PRINTED MATERIAL] Financials 29.3% Information Technology 14.7% Consumer Discretionary 12.3% Health Care 8.9% Industrials 8.6% Energy 8.2% Materials 7.2% Real Estate 5.9% Consumer Staples 2.0% Telecommunication Services 1.5% Utilities 1.4%
10 Largest Holdings -------------------------------------------------------------------------------- (As a percentage of equity holdings)* 1. Jazz Pharmaceuticals Plc 4.52% -------------------------------------------------------------------------------- 2. ON Semiconductor Corp. 3.37 -------------------------------------------------------------------------------- 3. Norwegian Cruise Line Holdings, Ltd. 3.08 -------------------------------------------------------------------------------- 4. Synchrony Financial 2.99 -------------------------------------------------------------------------------- 5. KeyCorp 2.97 -------------------------------------------------------------------------------- 6. First Solar, Inc. 2.89 -------------------------------------------------------------------------------- 7. Radian Group, Inc. 2.69 -------------------------------------------------------------------------------- 8. Goodyear Tire & Rubber Co. 2.53 -------------------------------------------------------------------------------- 9. Lincoln National Corp. 2.35 -------------------------------------------------------------------------------- 10. Celanese Corp., Class A 2.20 --------------------------------------------------------------------------------
* This list excludes temporary cash investments. The portfolio is actively managed, and current holdings may be different. The holdings listed should not be considered recommendations to buy or sell any securities listed. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 9 Prices and Distributions | 10/31/17 Net Asset Value per Share -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Class 10/31/17 10/31/16 -------------------------------------------------------------------------------- A $26.27 $23.66 -------------------------------------------------------------------------------- C $18.82 $17.42 -------------------------------------------------------------------------------- K $26.34 $23.72 -------------------------------------------------------------------------------- R $25.70 $23.18 -------------------------------------------------------------------------------- Y $28.16 $25.25 --------------------------------------------------------------------------------
Distributions per Share: 11/1/16-10/31/17 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Net Investment Short-Term Long-Term Class Income Capital Gains Capital Gains -------------------------------------------------------------------------------- A $0.1050 $ -- $1.4948 -------------------------------------------------------------------------------- C $ -- $ -- $1.4948 -------------------------------------------------------------------------------- K $0.1926 $ -- $1.4948 -------------------------------------------------------------------------------- R $0.0132 $ -- $1.4948 -------------------------------------------------------------------------------- Y $0.1647 $ -- $1.4948 --------------------------------------------------------------------------------
The Russell Midcap Value Index is an unmanaged index that measures the performance of U.S. mid-cap value stocks. Index returns are calculated monthly, assume reinvestment of dividends and, unlike Fund returns, do not reflect any fees, expenses or sales charges. It is not possible to invest directly in an index. The index defined here pertains to the "Value of $10,000 Investment" and "Value of $5 Million Investment" charts on pages 11-15. 10 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Performance Update | 10/31/17 Class A Shares Investment Returns -------------------------------------------------------------------------------- The mountain chart on the right shows the change in value of a $10,000 investment made in Class A shares of Pioneer Mid Cap Value Fund at public offering price during the periods shown, compared to that of the Russell Midcap Value Index. Average Annual Total Returns (As of October 31, 2017) -------------------------------------------------------------------------------- Net Public Russell Asset Offering Midcap Value Price Value Period (NAV) (POP) Index -------------------------------------------------------------------------------- 10 years 5.45% 4.83% 7.90% 5 years 13.08 11.75 14.49 1 year 18.56 11.74 17.12 -------------------------------------------------------------------------------- Expense Ratio (Per prospectus dated March 1, 2017) -------------------------------------------------------------------------------- Gross -------------------------------------------------------------------------------- 1.08% --------------------------------------------------------------------------------
[THE FOLLOWING DATA WAS REPRESENTED AS A MOUNTAIN CHART IN THE PRINTED MATERIAL] Value of $10,000 Investment Pioneer Mid Cap Value Fund Russell Midcap Value Index 10/07 $ 9,425 $10,000 10/08 $ 5,966 $ 6,117 10/09 $ 6,794 $ 7,006 10/10 $ 8,014 $ 8,931 10/11 $ 8,097 $ 9,453 10/12 $ 8,670 $10,869 10/13 $11,349 $14,505 10/14 $13,105 $16,851 10/15 $13,134 $16,930 10/16 $13,520 $18,257 10/17 $16,030 $21,382
Call 1-800-225-6292 or visit www.amundipioneer.com for the most recent month-end performance results. Current performance may be lower or higher than the performance data quoted. The performance data quoted represents past performance, which is no guarantee of future results. Investment return and principal value will fluctuate, and shares, when redeemed, may be worth more or less than their original cost. NAV results represent the percent change in net asset value per share. Returns would have been lower had sales charges been reflected. POP returns reflect deduction of maximum 5.75% sales charge. All results are historical and assume the reinvestment of dividends and capital gains. Other share classes are available for which performance and expenses will differ. Performance results reflect any applicable expense waivers in effect during the periods shown. Without such waivers Fund performance would be lower. Waivers may not be in effect for all funds. Certain fee waivers are contractual through a specified period. Otherwise, fee waivers can be rescinded at any time. See the prospectus and financial statements for more information. The performance table and graph do not reflect the deduction of fees and taxes that a shareowner would pay on Fund distributions or the redemption of Fund shares. Please refer to the financial highlights for a more current expense ratio. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 11 Performance Update | 10/31/17 Class C Shares Investment Returns -------------------------------------------------------------------------------- The mountain chart on the right shows the change in value of a $10,000 investment made in Class C shares of Pioneer Mid Cap Value Fund during the periods shown, compared to that of the Russell Midcap Value Index. Average Annual Total Returns (As of October 31, 2017) -------------------------------------------------------------------------------- Russell Midcap If If Value Period Held Redeemed Index -------------------------------------------------------------------------------- 10 years 4.56% 4.56% 7.90% 5 years 12.13 12.13 14.49 1 year 17.55 17.55 17.12 -------------------------------------------------------------------------------- Expense Ratio (Per prospectus dated March 1, 2017) -------------------------------------------------------------------------------- Gross -------------------------------------------------------------------------------- 1.92% --------------------------------------------------------------------------------
[THE FOLLOWING DATA WAS REPRESENTED AS A MOUNTAIN CHART IN THE PRINTED MATERIAL] Value of $10,000 Investment Pioneer Mid Cap Value Fund Russell Midcap Value Index 10/07 $10,000 $10,000 10/08 $ 6,277 $ 6,117 10/09 $ 7,085 $ 7,006 10/10 $ 8,280 $ 8,931 10/11 $ 8,296 $ 9,453 10/12 $ 8,806 $10,869 10/13 $11,425 $14,505 10/14 $13,081 $16,851 10/15 $13,004 $16,930 10/16 $13,281 $18,257 10/17 $15,612 $21,382
Call 1-800-225-6292 or visit www.amundipioneer.com for the most recent month-end performance results. Current performance may be lower or higher than the performance data quoted. The performance data quoted represents past performance, which is no guarantee of future results. Investment return and principal value will fluctuate, and shares, when redeemed, may be worth more or less than their original cost. Class C shares held for less than one year are also subject to a 1% contingent deferred sales charge (CDSC). "If Held" results represent the percent change in net asset value per share. Returns would have been lower had sales charges been reflected. All results are historical and assume the reinvestment of dividends and capital gains. Other share classes are available for which performance and expenses will differ. Performance results reflect any applicable expense waivers in effect during the periods shown. Without such waivers Fund performance would be lower. Waivers may not be in effect for all funds. Certain fee waivers are contractual through a specified period. Otherwise, fee waivers can be rescinded at any time. See the prospectus and financial statements for more information. The performance table and graph do not reflect the deduction of fees and taxes that a shareowner would pay on Fund distributions or the redemption of Fund shares. Please refer to the financial highlights for a more current expense ratio. 12 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Performance Update | 10/31/17 Class K Shares Investment Returns -------------------------------------------------------------------------------- The mountain chart on the right shows the change in value of a $5 million investment made in Class K shares of Pioneer Mid Cap Value Fund during the periods shown, compared to that of the Russell Midcap Value Index. Average Annual Total Returns (As of October 31, 2017) -------------------------------------------------------------------------------- Net Russell Asset Midcap Value Value Period (NAV) Index -------------------------------------------------------------------------------- 10 years 5.56% 7.90% 5 years 13.31 14.49 1 year 18.98 17.12 -------------------------------------------------------------------------------- Expense Ratio (Per prospectus dated March 1, 2017) -------------------------------------------------------------------------------- Gross -------------------------------------------------------------------------------- 0.71% --------------------------------------------------------------------------------
[THE FOLLOWING DATA WAS REPRESENTED AS A MOUNTAIN CHART IN THE PRINTED MATERIAL] Value of $5 Million Investment Pioneer Mid Cap Value Fund Russell Midcap Value Index 10/07 $5,000,000 $ 5,000,000 10/08 $3,164,838 $ 3,058,682 10/09 $3,603,734 $ 3,502,798 10/10 $4,251,022 $ 4,465,716 10/11 $4,295,021 $ 4,726,260 10/12 $4,598,698 $ 5,434,562 10/13 $6,020,107 $ 7,252,370 10/14 $6,951,633 $ 8,425,621 10/15 $6,986,012 $ 8,465,019 10/16 $7,220,551 $ 9,128,496 10/17 $8,590,710 $10,691,069
Call 1-800-225-6292 or visit www.amundipioneer.com for the most recent month-end performance results. Current performance may be lower or higher than the performance data quoted. The performance data quoted represents past performance, which is no guarantee of future results. Investment return and principal value will fluctuate, and shares, when redeemed, may be worth more or less than their original cost. The performance shown for Class K shares for the period prior to the commencement of operations of Class K shares on March 2, 2015, is the net asset value performance of the Fund's Class A shares, which has not been restated to reflect any differences in expenses, including Rule 12b-1 fees applicable to Class A shares. Since fees for Class A shares generally are higher than those of Class K shares, the performance of Class K shares prior to their inception on March 2, 2015, would have been higher than the performance shown. For the period beginning March 2, 2015, the actual performance of Class K shares is reflected. Class K shares are not subject to sales charges and are available for limited groups of eligible investors, including institutional investors. All results are historical and assume the reinvestment of dividends and capital gains. Performance results reflect any applicable expense waivers in effect during the periods shown. Without such waivers Fund performance would be lower. Waivers may not be in effect for all funds. Certain fee waivers are contractual through a specified period. Otherwise, fee waivers can be rescinded at any time. See the prospectus and financial statements for more information. The performance table and graph do not reflect the deduction of fees and taxes that a shareowner would pay on Fund distributions or the redemption of Fund shares. Please refer to the financial highlights for a more current expense ratio. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 13 Performance Update | 10/31/17 Class R Shares Investment Returns -------------------------------------------------------------------------------- The mountain chart on the right shows the change in value of a $10,000 investment made in Class R shares of Pioneer Mid Cap Value Fund during the periods shown, compared to that of the Russell Midcap Value Index. Average Annual Total Returns (As of October 31, 2017) -------------------------------------------------------------------------------- Net Russell Asset Midcap Value Value Period (NAV) Index -------------------------------------------------------------------------------- 10 years 5.11% 7.90% 5 years 12.65 14.49 1 year 18.11 17.12 -------------------------------------------------------------------------------- Expense Ratio (Per prospectus dated March 1, 2017) -------------------------------------------------------------------------------- Gross -------------------------------------------------------------------------------- 1.47% --------------------------------------------------------------------------------
[THE FOLLOWING DATA WAS REPRESENTED AS A MOUNTAIN CHART IN THE PRINTED MATERIAL] Value of $10,000 Investment Pioneer Mid Cap Value Fund Russell Midcap Value Index 10/07 $10,000 $10,000 10/08 $ 6,317 $ 6,117 10/09 $ 7,178 $ 7,006 10/10 $ 8,440 $ 8,931 10/11 $ 8,501 $ 9,453 10/12 $ 9,076 $10,869 10/13 $11,839 $14,505 10/14 $13,618 $16,851 10/15 $13,597 $16,930 10/16 $13,942 $18,257 10/17 $16,467 $21,382
Call 1-800-225-6292 or visit www.amundipioneer.com for the most recent month-end performance results. Current performance may be lower or higher than the performance data quoted. The performance data quoted represents past performance, which is no guarantee of future results. Investment return and principal value will fluctuate, and shares, when redeemed, may be worth more or less than their original cost. Class R shares are not subject to sales charges and are available for limited groups of eligible investors, including institutional investors. All results are historical and assume the reinvestment of dividends and capital gains. Other share classes are available for which performance and expenses will differ. Performance results reflect any applicable expense waivers in effect during the periods shown. Without such waivers Fund performance would be lower. Waivers may not be in effect for all funds. Certain fee waivers are contractual through a specified period. Otherwise, fee waivers can be rescinded at any time. See the prospectus and financial statements for more information. The performance table and graph do not reflect the deduction of fees and taxes that a shareowner would pay on Fund distributions or the redemption of Fund shares. Please refer to the financial highlights for a more current expense ratio. 14 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Performance Update | 10/31/17 Class Y Shares Investment Returns -------------------------------------------------------------------------------- The mountain chart on the right shows the change in value of a $5 million investment made in Class Y shares of Pioneer Mid Cap Value Fund during the periods shown, compared to that of the Russell Midcap Value Index. Average Annual Total Returns (As of October 31, 2017) -------------------------------------------------------------------------------- Net Russell Asset Midcap Value Value Period (NAV) Index -------------------------------------------------------------------------------- 10 years 5.84% 7.90% 5 years 13.44 14.49 1 year 18.85 17.12 -------------------------------------------------------------------------------- Expense Ratio (Per prospectus dated March 1, 2017) -------------------------------------------------------------------------------- Gross -------------------------------------------------------------------------------- 0.82% --------------------------------------------------------------------------------
[THE FOLLOWING DATA WAS REPRESENTED AS A MOUNTAIN CHART IN THE PRINTED MATERIAL] Value of $5 Million Investment Pioneer Mid Cap Value Fund Russell Midcap Value Index 10/07 $5,000,000 $ 5,000,000 10/08 $3,179,285 $ 3,058,682 10/09 $3,637,394 $ 3,502,798 10/10 $4,308,950 $ 4,465,716 10/11 $4,370,793 $ 4,726,260 10/12 $4,696,745 $ 5,434,562 10/13 $6,171,841 $ 7,252,370 10/14 $7,152,277 $ 8,425,621 10/15 $7,189,999 $ 8,465,019 10/16 $7,422,426 $ 9,128,496 10/17 $8,821,553 $10,691,069
Call 1-800-225-6292 or visit www.amundipioneer.com for the most recent month-end performance results. Current performance may be lower or higher than the performance data quoted. The performance data quoted represents past performance, which is no guarantee of future results. Investment return and principal value will fluctuate, and shares, when redeemed, may be worth more or less than their original cost. Class Y shares are not subject to sales charges and are available for limited groups of eligible investors, including institutional investors. All results are historical and assume the reinvestment of dividends and capital gains. Other share classes are available for which performance and expenses will differ. Performance results reflect any applicable expense waivers in effect during the periods shown. Without such waivers Fund performance would be lower. Waivers may not be in effect for all funds. Certain fee waivers are contractual through a specified period. Otherwise, fee waivers can be rescinded at any time. See the prospectus and financial statements for more information. The performance table and graph do not reflect the deduction of fees and taxes that a shareowner would pay on Fund distributions or the redemption of Fund shares. Please refer to the financial highlights for a more current expense ratio. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 15 Comparing Ongoing Fund Expenses As a shareowner in the Fund, you incur two types of costs: (1) ongoing costs, including management fees, distribution and/or service (12b-1) fees, and other Fund expenses; and (2) transaction costs, including sales charges (loads) on purchase payments. This example is intended to help you understand your ongoing expenses (in dollars) of investing in the Fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 at the beginning of the Fund's latest six-month period and held throughout the six months. Using the Tables -------------------------------------------------------------------------------- Actual Expenses The first table below provides information about actual account values and actual expenses. You may use the information in this table, together with the amount you invested, to estimate the expenses that you paid over the period as follows: (1) Divide your account value by $1,000 Example: an $8,600 account value (divided by) $1,000 = 8.6 (2) Multiply the result in (1) above by the corresponding share class's number in the third row under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. Expenses Paid on a $1,000 Investment in Pioneer Mid Cap Value Fund Based on actual returns from May 1, 2017, through October 31, 2017. -------------------------------------------------------------------------------------------------- Share Class A C K R Y -------------------------------------------------------------------------------------------------- Beginning Account $1,000.00 $1,000.00 $1,000.00 $1,000.00 $1,000.00 Value on 5/1/17 -------------------------------------------------------------------------------------------------- Ending Account $1,052.46 $1,048.43 $1,054.88 $1,050.71 $1,054.29 Value (after expenses) On 10/31/17 -------------------------------------------------------------------------------------------------- Expenses Paid $ 5.38 $ 9.66 $ 3.52 $ 7.55 $ 4.19 During Period* --------------------------------------------------------------------------------------------------
* Expenses are equal to the Fund's annualized net expense ratio of 1.04%, 1.87%, 0.68%, 1.46%, and 0.81% for Class A, Class C, Class K, Class R and Class Y, respectively, multiplied by the average account value over the period, multiplied by 184/365 (to reflect the one-half year period). 16 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Hypothetical Example for Comparison Purposes The table below provides information about hypothetical account values and hypothetical expenses based on the Fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the Fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the Fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the tables are meant to highlight your ongoing costs only and do not reflect any transaction costs, such as sales charges (loads) that are charged at the time of the transaction. Therefore, the table below is useful in comparing ongoing costs only and will not help you determine the relative total costs of owning different funds. In addition, if these transaction costs were included, your costs would have been higher. Expenses Paid on a $1,000 Investment in Pioneer Mid Cap Value Fund Based on a hypothetical 5% per year return before expenses, reflecting the period from May 1, 2017, through October 31, 2017. ------------------------------------------------------------------------------------------------ Share Class A C K R Y ------------------------------------------------------------------------------------------------ Beginning Account $1,000.00 $1,000.00 $1,001.00 $1,000.00 $1,000.00 Value on 5/1/17 ------------------------------------------------------------------------------------------------ Ending Account $1,019.96 $1,015.78 $1,021.78 $1,017.85 $1,021.12 Value (after expenses) On 10/31/17 ------------------------------------------------------------------------------------------------ Expenses Paid $ 5.30 $ 9.50 $ 3.47 $ 7.43 $ 4.13 During Period* ------------------------------------------------------------------------------------------------
* Expenses are equal to the Fund's annualized net expense ratio of 1.04%, 1.87%, 0.68%, 1.46%, and 0.81% for Class A, Class C, Class K, Class R and Class Y, respectively, multiplied by the average account value over the period, multiplied by 184/365 (to reflect the one-half year period). Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 17 Schedule of Investments | 10/31/17 ------------------------------------------------------------------------------------------ Shares Value ------------------------------------------------------------------------------------------ UNAFFILIATED ISSUERS -- 100.0% COMMON STOCKS -- 100.0% of Net Assets AUTOMOBILES & COMPONENTS -- 4.1% Auto Parts & Equipment -- 1.6% 287,273 BorgWarner, Inc. $ 15,145,032 ------------------------------------------------------------------------------------------ Tires & Rubber -- 2.5% 802,203 Goodyear Tire & Rubber Co. $ 24,539,390 ------------- Total Automobiles & Components $ 39,684,422 ------------------------------------------------------------------------------------------ BANKS -- 12.1% Regional Banks -- 9.4% 474,277 Cathay General Bancorp $ 19,824,779 542,530 Fifth Third Bancorp 15,679,117 930,682 First Horizon National Corp. 17,468,901 696,258 Huntington Bancshares, Inc. 9,608,360 1,577,630 KeyCorp 28,791,748 ------------- $ 91,372,905 ------------------------------------------------------------------------------------------ Thrifts & Mortgage Finance -- 2.7% 1,242,300 Radian Group, Inc. $ 26,038,608 ------------- Total Banks $117,411,513 ------------------------------------------------------------------------------------------ CAPITAL GOODS -- 6.5% Building Products -- 1.9% 225,052 Owens Corning $ 18,609,550 ------------------------------------------------------------------------------------------ Construction & Engineering -- 1.1% 786,128 Chicago Bridge & Iron Co. NV $ 10,958,624 ------------------------------------------------------------------------------------------ Industrial Conglomerates -- 1.8% 161,598 Carlisle Cos., Inc. $ 17,748,308 ------------------------------------------------------------------------------------------ Industrial Machinery -- 1.7% 191,033 Ingersoll-Rand Plc $ 16,925,524 ------------- Total Capital Goods $ 64,242,006 ------------------------------------------------------------------------------------------ CONSUMER DURABLES & APPAREL -- 1.8% Homebuilding -- 1.8% 564,041 PulteGroup, Inc. $ 17,050,959 ------------- Total Consumer Durables & Apparel $ 17,050,959 ------------------------------------------------------------------------------------------ CONSUMER SERVICES -- 3.1% Hotels, Resorts & Cruise Lines -- 3.1% 534,558(a) Norwegian Cruise Line Holdings, Ltd. $ 29,801,609 ------------- Total Consumer Services $ 29,801,609 ------------------------------------------------------------------------------------------ DIVERSIFIED FINANCIALS -- 7.7% Asset Management & Custody Banks -- 3.1% 65,128 Affiliated Managers Group, Inc. $ 12,146,372 496,342 Invesco, Ltd. 17,764,080 ------------- $ 29,910,452 ------------------------------------------------------------------------------------------
The accompanying notes are an integral part of these financial statements. 18 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 ------------------------------------------------------------------------------------------ Shares Value ------------------------------------------------------------------------------------------ Consumer Finance -- 3.0% 888,778 Synchrony Financial $ 28,991,939 ------------------------------------------------------------------------------------------ Financial Exchanges & Data -- 1.6% 215,828 Nasdaq, Inc. $ 15,679,904 ------------- Total Diversified Financials $ 74,582,295 ------------------------------------------------------------------------------------------ ENERGY -- 8.2% Oil & Gas Drilling -- 1.9% 949,257 Patterson-UTI Energy, Inc. $ 18,776,304 ------------------------------------------------------------------------------------------ Oil & Gas Exploration & Production -- 6.3% 754,528 Cabot Oil & Gas Corp. $ 20,900,425 167,275 Cimarex Energy Co. 19,559,466 134,900 Pioneer Natural Resources Co. 20,190,483 ------------- $ 60,650,374 ------------- Total Energy $ 79,426,678 ------------------------------------------------------------------------------------------ FOOD, BEVERAGE & TOBACCO -- 2.0% Agricultural Products -- 2.0% 155,551 Ingredion, Inc. $ 19,498,318 ------------- Total Food, Beverage & Tobacco $ 19,498,318 ------------------------------------------------------------------------------------------ HEALTH CARE EQUIPMENT & SERVICES -- 4.4% Health Care Equipment -- 1.6% 542,628(a) Boston Scientific Corp. $ 15,269,552 ------------------------------------------------------------------------------------------ Health Care Supplies -- 1.5% 244,828 Dentsply Sirona, Inc. $ 14,951,646 ------------------------------------------------------------------------------------------ Managed Health Care -- 1.3% 133,189(a) Centene Corp. $ 12,475,814 ------------- Total Health Care Equipment & Services $ 42,697,012 ------------------------------------------------------------------------------------------ INSURANCE -- 9.5% Life & Health Insurance -- 4.4% 300,670 Lincoln National Corp. $ 22,784,773 381,280 Unum Group 19,841,811 ------------- $ 42,626,584 ------------------------------------------------------------------------------------------ Multi-line Insurance -- 1.6% 287,983 Hartford Financial Services Group, Inc. $ 15,853,464 ------------------------------------------------------------------------------------------ Property & Casualty Insurance -- 3.5% 161,521 Hanover Insurance Group, Inc. $ 15,890,436 873,193 Old Republic International Corp. 17,717,086 ------------- $ 33,607,522 ------------- Total Insurance $ 92,087,570 ------------------------------------------------------------------------------------------
The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 19 Schedule of Investments | 10/31/17 (continued) ------------------------------------------------------------------------------------------ Shares Value ------------------------------------------------------------------------------------------ MATERIALS -- 7.2% Copper -- 1.6% 1,105,834(a) Freeport-McMoRan, Inc. $ 15,459,559 ------------------------------------------------------------------------------------------ Metal & Glass Containers -- 1.7% 279,100(a) Crown Holdings, Inc. $ 16,793,447 ------------------------------------------------------------------------------------------ Paper Products -- 1.7% 733,828 KapStone Paper and Packaging Corp. $ 16,481,777 ------------------------------------------------------------------------------------------ Specialty Chemicals -- 2.2% 204,039 Celanese Corp., Class A $ 21,283,308 ------------- Total Materials $ 70,018,091 ------------------------------------------------------------------------------------------ MEDIA -- 1.8% Advertising -- 1.8% 922,619 Interpublic Group of Cos., Inc. $ 17,760,416 ------------- Total Media $ 17,760,416 ------------------------------------------------------------------------------------------ PHARMACEUTICALS, BIOTECHNOLOGY & LIFE SCIENCES -- 4.5% Pharmaceuticals -- 4.5% 309,672(a) Jazz Pharmaceuticals Plc $ 43,827,878 ------------- Total Pharmaceuticals, Biotechnology & Life Sciences $ 43,827,878 ------------------------------------------------------------------------------------------ REAL ESTATE -- 6.9% Hotel & Resorts REIT -- 1.0% 337,580 Park Hotels & Resorts, Inc. $ 9,718,928 ------------------------------------------------------------------------------------------ Industrial REIT -- 1.8% 596,614 Duke Realty Corp. $ 16,991,567 ------------------------------------------------------------------------------------------ Real Estate Services -- 1.1% 342,910 Realogy Holdings Corp. $ 11,086,280 ------------------------------------------------------------------------------------------ Residential REIT -- 1.3% 596,841 American Homes 4 Rent, Class A $ 12,700,776 ------------------------------------------------------------------------------------------ Retail REIT -- 0.2% 81,721 Retail Opportunity Investments Corp. $ 1,469,344 ------------------------------------------------------------------------------------------ Specialized REIT -- 1.5% 120,977 Digital Realty Trust, Inc. $ 14,328,516 ------------- Total Real Estate $ 66,295,411 ------------------------------------------------------------------------------------------ RETAILING -- 0.5% Apparel Retail -- 0.5% 116,462 L Brands, Inc. $ 5,012,525 ------------- Total Retailing $ 5,012,525 ------------------------------------------------------------------------------------------ SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT -- 7.9% Semiconductors -- 7.9% 510,310(a) First Solar, Inc. $ 27,975,194 302,028(a) Microsemi Corp. 16,119,234
The accompanying notes are an integral part of these financial statements. 20 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 ------------------------------------------------------------------------------------------ Shares Value ------------------------------------------------------------------------------------------ Semiconductors -- (continued) 1,529,224(a) ON Semiconductor Corp. $ 32,603,056 ------------- Total Semiconductors & Semiconductor Equipment $ 76,697,484 ------------------------------------------------------------------------------------------ SOFTWARE & SERVICES -- 1.6% Application Software -- 1.6% 375,357(a) Verint Systems, Inc. $ 15,840,065 ------------- Total Software & Services $ 15,840,065 ------------------------------------------------------------------------------------------ TECHNOLOGY HARDWARE & EQUIPMENT -- 5.2% Communications Equipment -- 3.4% 313,268(a) Acacia Communications, Inc. $ 13,254,369 839,943(a) Finisar Corp. 19,772,258 ------------- $ 33,026,627 ------------------------------------------------------------------------------------------ Technology Distributors -- 1.8% 245,141 CDW Corp. $ 17,159,870 ------------- Total Technology Hardware & Equipment $ 50,186,497 ------------------------------------------------------------------------------------------ TELECOMMUNICATION SERVICES -- 1.5% Integrated Telecommunication Services -- 1.5% 748,157 CenturyLink, Inc. $ 14,207,501 ------------- Total Telecommunication Services $ 14,207,501 ------------------------------------------------------------------------------------------ TRANSPORTATION -- 2.0% Airlines -- 2.0% 322,241(a) United Continental Holdings, Inc. $ 18,844,654 ------------- Total Transportation $ 18,844,654 ------------------------------------------------------------------------------------------ UTILITIES -- 1.5% Multi-Utilities -- 1.5% 275,117 Public Service Enterprise Group, Inc. $ 13,535,756 ------------- Total Utilities $ 13,535,756 ------------------------------------------------------------------------------------------ TOTAL COMMON STOCKS (Cost $796,231,177) $968,708,660 ------------------------------------------------------------------------------------------ TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS -- 100.0% (Cost $796,231,177) $968,708,660 ------------------------------------------------------------------------------------------ OTHER ASSETS AND LIABILITIES -- 0.0%+ $ 142,004 ------------------------------------------------------------------------------------------ NET ASSETS -- 100.0% $968,850,664 ------------------------------------------------------------------------------------------
REIT Real Estate Investment Trust. + Amount rounds less than 0.1%. (a) Non-income producing security. Purchases and sales of securities (excluding temporary cash investments) for the year ended October 31, 2017, aggregated $559,827,354 and $654,684,079, respectively. The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 21 Schedule of Investments | 10/31/17 (continued) The Fund is permitted to engage in purchase and sale transactions ("cross trades") with certain funds and accounts for which Amundi Pioneer Asset Management, Inc., formerly Pioneer Investment Management, Inc. (the "Adviser") serves as the Fund's investment adviser, as set forth in Rule 17a-7 under the Investment Company Act of 1940, pursuant to procedures adopted by the Board of Trustees. Under these procedures, cross trades are effected at current market prices. During the year ended October 31, 2017, the Fund did not engage in cross trade activity. At October 31, 2017, the net unrealized appreciation on investments based on cost for federal tax purposes of $798,926,577 was as follows: Aggregate gross unrealized appreciation for all investments in which there is an excess of value over tax cost $195,095,824 Aggregate gross unrealized depreciation for all investments in which there is an excess of tax cost over value (25,313,741) ------------ Net unrealized appreciation $169,782,083 ============
Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below. Level 1 - quoted prices in active markets for identical securities. Level 2 - other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). See Notes to Financial Statements -- Note 1A. Level 3 - significant unobservable inputs (including the Fund's own assumptions in determining fair value of investments). See Notes to Financial Statements -- Note 1A. The following is a summary of the inputs used as of October 31, 2017, in valuing the Fund's investments. ---------------------------------------------------------------------------------------------------------- Level 1 Level 2 Level 3 Total ---------------------------------------------------------------------------------------------------------- Common Stocks $968,708,660 $ -- $ -- $968,708,660 ---------------------------------------------------------------------------------------------------------- Total Investments in Securities $968,708,660 $ -- $ -- $968,708,660 ----------------------------------------------------------------------------------------------------------
During the year ended October 31, 2017, there were no transfers between Levels 1, 2 and 3. The accompanying notes are an integral part of these financial statements. 22 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Statement of Assets and Liabilities | 10/31/17 ASSETS: Investments in unaffiliated issuers, at value (cost $796,231,177) $ 968,708,660 Cash 742,268 Receivables -- Fund shares sold 218,666 Dividends 426,726 Other assets 26,293 ------------------------------------------------------------------------------------------- Total assets $ 970,122,613 =========================================================================================== LIABILITIES: Payables -- Fund shares repurchased $ 786,981 Trustees' fees 5,110 Transfer agent fees 174,809 Shareholders communication expense 42,473 Professional fees 35,180 Due to affiliates Management fees 132,049 Distribution fees 62,981 Other due to affiliates 3,344 Accrued expenses and other liabilities 29,022 ------------------------------------------------------------------------------------------- Total liabilities $ 1,271,949 =========================================================================================== NET ASSETS: Paid-in capital $ 722,838,036 Undistributed net investment income 1,350,587 Accumulated net realized gain on investments 72,184,558 Net unrealized appreciation on investments 172,477,483 ------------------------------------------------------------------------------------------- Net assets $ 968,850,664 =========================================================================================== NET ASSET VALUE PER SHARE: No par value (unlimited number of shares authorized) Class A (based on $839,635,676/31,956,043 shares) $ 26.27 Class C (based on $48,839,765/2,595,159 shares) $ 18.82 Class K (based on $26,373,498/1,001,296 shares) $ 26.34 Class R (based on $14,579,131 /567,387 shares) $ 25.70 Class Y (based on $39,422,594/1,400,067 shares) $ 28.16 MAXIMUM OFFERING PRICE: Class A ($26.27 (divided by) 94.25%) $ 27.87 -------------------------------------------------------------------------------------------
The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 23 Statement of Operations For the Year Ended 10/31/17 INVESTMENT INCOME: Interest from unaffiliated issuers $ 8,117 Dividends from unaffiliated issuers (net of foreign taxes withheld $18,469) 14,306,341 --------------------------------------------------------------------------------------------------------- Total investment income $ 14,314,458 ========================================================================================================= EXPENSES: Management fees Basic Fee $ 6,586,668 Performance Adjustment (720,136) Administrative expense 415,511 Transfer agent fees Class A 733,536 Class C 88,607 Class K 73 Class R 42,226 Class Y 44,420 Distribution fees Class A 2,106,574 Class C 533,705 Class R 77,805 Shareowner communications expense 241,893 Custodian fees 26,471 Registration fees 98,401 Professional fees 74,264 Printing expense 36,640 Trustees' fees 43,907 Miscellaneous 70,495 --------------------------------------------------------------------------------------------------------- Total expenses $ 10,501,060 --------------------------------------------------------------------------------------------------------- Net investment income $ 3,813,398 ========================================================================================================= REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS: Net realized gain on: Investments in unaffiliated issuers $ 71,962,541 --------------------------------------------------------------------------------------------------------- Change in net unrealized appreciation on: Investments in unaffiliated issuers $ 86,725,827 --------------------------------------------------------------------------------------------------------- Net realized and unrealized gain (loss) on investments $ 158,688,368 --------------------------------------------------------------------------------------------------------- Net increase in net assets resulting from operations $ 162,501,766 =========================================================================================================
The accompanying notes are an integral part of these financial statements. 24 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Statements of Changes in Net Assets -------------------------------------------------------------------------------------------------- Year Ended Year Ended 10/31/17 10/31/16* -------------------------------------------------------------------------------------------------- FROM OPERATIONS Net investment income (loss) $ 3,813,398 $ 4,524,446 Net realized gain (loss) on investments 71,962,541 56,551,683 Change in net unrealized appreciation (depreciation) on investments 86,725,827 (36,227,348) --------------------------------------------------------------------------------------------------- Net increase in net assets resulting from operations $ 162,501,766 $ 24,848,781 --------------------------------------------------------------------------------------------------- DISTRIBUTIONS TO SHAREOWNERS: Net investment income: Class A ($0.11 and $0.08, respectively) $ (3,667,622) $ (2,999,465) Class K ($0.19 and $0.18, respectively) (245,527) (116,915) Class R ($0.01 and $0.00, respectively) (8,981) -- Class Y ($0.16 and $0,15 respectively) (234,328) (178,123) Net realized gain: Class A ($1.49 and $2.26, respectively) (49,565,088) (76,037,304) Class C ($1.49 and $2.26, respectively) (4,384,884) (7,014,210) Class K ($1.49 and $2.26, respectively) (800,051) (1,433,760) Class R ($1.49 and $2.26, respectively) (996,291) (1,824,351) Class Y ($1.49 and $2.26, respectively) (1,995,168) (2,605,711) --------------------------------------------------------------------------------------------------- Total distributions to shareowners $ (61,897,940) $ (92,209,839) --------------------------------------------------------------------------------------------------- FROM FUND SHARE TRANSACTIONS: Net proceeds from sales of shares $ 79,105,275 $ 48,438,546 Reinvestment of distributions 57,913,688 85,779,420 Cost of shares repurchased (173,483,218) (147,667,299) --------------------------------------------------------------------------------------------------- Net decrease in net assets resulting from Fund share transactions $ (36,464,255) $ (13,449,333) --------------------------------------------------------------------------------------------------- Net decrease in net assets $ 64,139,571 $ (80,810,391) NET ASSETS: Beginning of year 904,711,093 985,521,484 --------------------------------------------------------------------------------------------------- End of year $ 968,850,664 $ 904,711,093 --------------------------------------------------------------------------------------------------- Undistributed net investment income $ 1,350,587 $ 2,445,409 ===================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 25 Statements of Changes in Net Assets (continued) ------------------------------------------------------------------------------------------------------ Year Ended Year Ended Year Ended Year Ended 10/31/17 10/31/17 10/31/16* 10/31/16* Shares Amount Shares Amount ------------------------------------------------------------------------------------------------------ Class A Shares sold 1,217,028 $ 30,386,403 1,155,676 $ 26,335,852 Reinvestment of distributions 2,155,831 51,076,411 3,244,912 75,633,575 Less shares repurchased (4,869,055) (121,958,030) (4,802,021) (109,899,903) ------------------------------------------------------------------------------------------------------ Net decrease (1,496,196) $ (40,495,216) (401,433) $ (7,930,476) ====================================================================================================== Class C Shares sold 425,459 $ 7,613,633 372,700 $ 6,270,170 Reinvestment of distributions 229,045 3,886,900 348,579 6,012,962 Less shares repurchased (1,024,643) (18,383,981) (890,366) (15,025,894) ------------------------------------------------------------------------------------------------------ Net decrease (370,139) $ (6,883,448) (169,087) $ (2,742,762) ====================================================================================================== Class K Shares sold 813,330 $ 20,108,475 -- $ -- Reinvestment of distributions -- -- -- -- Less shares repurchased (347,257) (8,667,713) (99,493) (2,410,715) ------------------------------------------------------------------------------------------------------ Net increase (decrease) 466,073 $ 11,440,762 (99,493) $ (2,410,715) ====================================================================================================== Class R Shares sold 104,143 $ 2,568,276 104,543 $ 2,307,651 Reinvestment of distributions 42,708 986,974 78,554 1,795,743 Less shares repurchased (246,466) (6,075,840) (362,440) (8,151,542) ------------------------------------------------------------------------------------------------------ Net decrease (99,615) $ (2,520,590) (179,343) $ (4,048,148) ====================================================================================================== Class Y Shares sold 687,079 $ 18,428,488 556,829 $ 13,524,873 Reinvestment of distributions 77,256 1,963,403 94,091 2,337,140 Less shares repurchased (684,704) (18,397,654) (496,241) (12,179,245) ------------------------------------------------------------------------------------------------------ Net increase 79,631 $ 1,994,237 154,679 $ 3,682,768 ======================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. The accompanying notes are an integral part of these financial statements. 26 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Financial Highlights --------------------------------------------------------------------------------------------------------------------------------- Year Year Year Year Year Ended Ended Ended Ended Ended 10/31/17 10/31/16* 10/31/15* 10/31/14* 10/31/13 --------------------------------------------------------------------------------------------------------------------------------- Class A Net asset value, beginning of period $ 23.66 $ 25.30 $ 28.37 $ 27.42 $ 21.12 --------------------------------------------------------------------------------------------------------------------------------- Increase (decrease) from investment operations: Net investment income (loss) $ 0.11(a) $ 0.12(a) $ 0.14(a) $ 0.15 $ 0.18 Net realized and unrealized gain (loss) on investments 4.10 0.58 (0.01) 3.71 6.30 --------------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) from investment operations $ 4.21 $ 0.70 $ 0.13 $ 3.86 $ 6.48 --------------------------------------------------------------------------------------------------------------------------------- Distribution to shareowners: Net investment income $ (0.11) $ (0.08) $ (0.11) $ (0.11) $ (0.18) Net realized gain (1.49) (2.26) (3.09) (2.80) -- --------------------------------------------------------------------------------------------------------------------------------- Total distributions $ (1.60) $ (2.34) $ (3.20) $ (2.91) $ (0.18) --------------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) in net asset value $ 2.61 $ (1.64) $ (3.07) $ 0.95 $ 6.30 --------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $ 26.27 $ 23.66 $ 25.30 $ 28.37 $ 27.42 ================================================================================================================================= Total return (b) 18.56% 2.94% 0.22% 15.47% 30.91% Ratios of net expenses to average net assets 1.04% 1.08% 1.05% 1.04% 1.05% Ratio of net investment income (loss) to average net assets 0.43% 0.53% 0.54% 0.58% 0.73% Portfolio turnover rate 58% 70% 90% 61% 93% Net assets, end of period (in thousands) $839,636 $791,576 $856,629 $956,082 $897,374 =================================================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. (a) The per share data presented above is based on the average shares outstanding for the periods presented. (b) Assumes initial investment at net asset value at the beginning of each period, reinvestment of all distributions, the complete redemption of the investment at net asset value at the end of each period and no sales charges. Total return would be reduced if sales charges were taken into account. The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 27 Financial Highlights (continued) --------------------------------------------------------------------------------------------------------------------------------- Year Year Year Year Year Ended Ended Ended Ended Ended 10/31/17 10/31/16* 10/31/15* 10/31/14* 10/31/13 --------------------------------------------------------------------------------------------------------------------------------- Class C Net asset value, beginning of period $ 17.42 $ 19.29 $ 22.42 $ 22.33 $ 17.24 --------------------------------------------------------------------------------------------------------------------------------- Increase (decrease) from investment operations: Net investment income (loss) $ (0.07)(a) $ (0.05)(a)(b) $ (0.06)(a) $ (0.05) $ (0.02) Net realized and unrealized gain (loss) on investments 2.96 0.44 0.02 2.94 5.14 --------------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) from investment operations $ 2.89 $ 0.39 $ (0.04) $ 2.89 $ 5.12 --------------------------------------------------------------------------------------------------------------------------------- Distribution to shareowners: Net investment income $ -- $ -- $ -- $ -- $(0.03) Net realized gain (1.49) (2.26) (3.09) (2.80) -- --------------------------------------------------------------------------------------------------------------------------------- Total distributions $ (1.49) $ (2.26) $ (3.09) $ (2.80) $ (0.03) --------------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) in net asset value $ 1.40 $ (1.87) $ (3.13) $ 0.09 $ 5.09 --------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $ 18.82 $ 17.42 $ 19.29 $ 22.42 $ 22.33 ================================================================================================================================= Total return (c) 17.55% 2.13% (0.59)% 14.50% 29.74% Ratios of net expenses to average net assets 1.87% 1.92% 1.90% 1.86% 1.94% Ratio of net investment income (loss) to average net assets (0.40)% (0.30)% (0.31)% (0.24)% (0.15)% Portfolio turnover rate 58% 70% 90% 61% 93% Net assets, end of period (in thousands) $48,840 $51,641 $60,473 $69,090 $66,390 =================================================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. (a) The per share data presented above is based on the average shares outstanding for the periods presented. (b) The amount shown for a share outstanding does not correspond with net investment income on the Statement of Operations due to timing of the sales and repurchase of shares. (c) Assumes initial investment at net asset value at the beginning of each period, reinvestment of all distributions, the complete redemption of the investment at net asset value at the end of each period and no sales charges. Total return would be reduced if sales charges were taken into account. The accompanying notes are an integral part of these financial statements. 28 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 -------------------------------------------------------------------------------------------------- Year Ended Year Ended 3/2/15 to 10/31/17 10/31/16* 10/31/15* -------------------------------------------------------------------------------------------------- Class K Net asset value, beginning of period $ 23.72 $ 25.37 $ 26.76 -------------------------------------------------------------------------------------------------- Increase (decrease) from investment operations: Net investment income (loss) $ 0.19(a) $ 0.21(a) $ 0.15(a) Net realized and unrealized gain (loss) on investments 4.11 0.58 (1.54) -------------------------------------------------------------------------------------------------- Net increase (decrease) from investment operations $ 4.30 $ 0.79 $ (1.39) -------------------------------------------------------------------------------------------------- Distribution to shareowners: Net investment income $ (0.19) $ (0.18) $ -- Net realized gain (1.49) (2.26) -- -------------------------------------------------------------------------------------------------- Total distributions $ (1.68) $ (2.44) $ -- -------------------------------------------------------------------------------------------------- Net increase (decrease) in net asset value $ 2.62 $ (1.65) $ (1.39) -------------------------------------------------------------------------------------------------- Net asset value, end of period $ 26.34 $ 23.72 $ 25.37 ================================================================================================== Total return (b) 18.98% 3.36% (5.19)%(c) Ratios of net expenses to average net assets 0.68% 0.71% 0.65%(d) Ratio of net investment income (loss) to average net assets 0.74% 0.91% 0.85%(d) Portfolio turnover rate 58% 70% 0.90% Net assets, end of period (in thousands) $26,373 $12,693 $16,103 ==================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. (a) The per share data presented above is based on the average shares outstanding for the periods presented. (b) Assumes initial investment at net asset value at the beginning of each period, reinvestment of all distributions and the complete redemption of the investment at net asset value at the end of each period. (c) Not Annualized. (d) Annualized. The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 29 Financial Highlights (continued) ----------------------------------------------------------------------------------------------------------------------------- Year Year Year Year Year Ended Ended Ended Ended Ended 10/31/17 10/31/16* 10/31/15* 10/31/14* 10/31/13 ----------------------------------------------------------------------------------------------------------------------------- Class R Net asset value, beginning of period $ 23.18 $ 24.84 $ 27.91 $ 27.02 $ 20.78 ----------------------------------------------------------------------------------------------------------------------------- Increase (decrease) from investment operations: Net investment income (loss) $ 0.00(a)(b) $ 0.03(a) $ 0.04(a) $ 0.07 $ 0.13 Net realized and unrealized gain (loss) on investments 4.02 0.57 0.00(b) 3.63 6.18 ----------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) from investment operations $ 4.02 $ 0.60 $ 0.04 $ 3.70 $ 6.31 ----------------------------------------------------------------------------------------------------------------------------- Distribution to shareowners: Net investment income $ (0.01) $ -- $ (0.02) $ (0.01) $ (0.07) Net realized gain (1.49) (2.26) (3.09) (2.80) -- ----------------------------------------------------------------------------------------------------------------------------- Total distributions $ (1.50) $ (2.26) $ (3.11) $ (2.81) $ (0.07) ----------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) in net asset value $ 2.52 $ (1.66) $ (3.07) $ 0.89 $ 6.24 ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $ 25.70 $ 23.18 $ 24.84 $ 27.91 $ 27.02 ============================================================================================================================= Total return (c) 18.11% 2.54% (0.16)% 15.03% 30.44% Ratios of net expenses to average net assets 1.46% 1.47% 1.44% 1.43% 1.43% Ratio of net investment income (loss) to average net assets 0.02% 0.15% 0.16% 0.20% 0.37% Portfolio turnover rate 58% 70% 90% 61% 93% Net assets, end of period (in thousands) $14,579 $15,462 $21,023 $26,909 $27,461 =============================================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. (a) The per share data presented above is based on the average shares outstanding for the periods presented. (b) Amount rounds to less than $0.01 per share. (c) Assumes initial investment at net asset value at the beginning of each period, reinvestment of all distributions, and the complete redemption of the investment at net asset value at the end of each period. The accompanying notes are an integral part of these financial statements. 30 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 ----------------------------------------------------------------------------------------------------------------------------- Year Year Year Year Year Ended Ended Ended Ended Ended 10/31/17 10/31/16* 10/31/15* 10/31/14* 10/31/13 ----------------------------------------------------------------------------------------------------------------------------- Class Y Net asset value, beginning of period $ 25.25 $ 26.84 $ 29.91 $ 28.74 $ 22.13 ----------------------------------------------------------------------------------------------------------------------------- Increase (decrease) from investment operations: Net investment income (loss) $ 0.18(a) $ 0.19(a) $ 0.25(a) $ 0.29 $ 0.24 Net realized and unrealized gain (loss) on investments 4.38 0.63 (0.02) 3.87 6.64 ----------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) from investment operations $ 4.56 $ 0.82 $ 0.23 $ 4.16 $ 6.88 ----------------------------------------------------------------------------------------------------------------------------- Distribution to shareowners: Net investment income $ (0.16) $ (0.15) $ (0.21) $ (0.19) $ (0.27) Net realized gain (1.49) (2.26) (3.09) (2.80) -- ----------------------------------------------------------------------------------------------------------------------------- Total distributions $ (1.65) $ (2.41) $ (3.30) $ (2.99) $ (0.27) ----------------------------------------------------------------------------------------------------------------------------- Net increase (decrease) in net asset value $ 2.91 $ (1.59) $ (3.07) $ 1.17 $ 6.61 ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $ 28.16 $ 25.25 $ 26.84 $ 29.91 $ 28.74 ============================================================================================================================= Total return (b) 18.85% 3.23% 0.53% 15.89% 31.41% Ratios of net expenses to average net assets 0.81% 0.82% 0.73% 0.67% 0.68% Ratio of net investment income (loss) to average net assets 0.66% 0.79% 0.90% 0.95% 1.14% Portfolio turnover rate 58% 70% 90% 61% 93% Net assets, end of period (in thousands) $39,423 $33,339 $31,294 $83,545 $100,716 =============================================================================================================================
* The Fund was audited by an independent registered public accounting firm other than Ernst & Young LLP. (a) The per share data presented above is based on the average shares outstanding for the periods presented. (b) Assumes initial investment at net asset value at the beginning of each period, reinvestment of all distributions, the complete redemption of the investment at net asset value at the end of each period. The accompanying notes are an integral part of these financial statements. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 31 Notes to Financial Statements | 10/31/17 1. Organization and Significant Accounting Policies Pioneer Mid Cap Value Fund (the Fund) is a Delaware statutory trust. The Fund is registered under the Investment Company Act of 1940 as a diversified, open-end management investment company. The investment objective of the Fund is to seek capital appreciation by investing in a diversified portfolio of securities consisting primarily of common stocks. The Fund offers five classes of shares designated as Class A, Class C, Class K, Class R and Class Y shares. Class K shares commenced operations on March 2, 2015. Class B shares converted to Class A shares as of the close of business on November 10, 2014. Each class of shares represents an interest in the same portfolio of investments of the Fund and has identical rights (based on relative net asset values) to assets and liquidation proceeds. Share classes can bear different rates of class-specific fees and expenses such as transfer agent and distribution fees. Differences in class-specific fees and expenses will result in differences in net investment income and, therefore, the payment of different dividends from net investment income earned by each class. The Amended and Restated Declaration of Trust of the Fund gives the Board of Trustees the flexibility to specify either per share voting or dollar-weighted voting when submitting matters for shareholder approval. Under per share voting, each share of a class of the Fund is entitled to one vote. Under dollar-weighted voting, a shareholder's voting power is determined not by the number of shares owned, but by the dollar value of the shares on the record date. Each share class has exclusive voting rights with respect to matters affecting only that class, including with respect to the distribution plan for that class. There is no distribution plan for Class K and Class Y shares. On July 3, 2017, Amundi acquired Pioneer Investments, a group of asset management companies located throughout the world. Amundi, one of the world's largest asset managers, is headquartered in Paris, France. As a result of the transaction, Pioneer Investment Management, Inc., the Fund's investment adviser, became an indirect wholly owned subsidiary of Amundi and Amundi's wholly owned subsidiary, Amundi USA, Inc. Prior to July 3, 2017, Pioneer Investments was owned by Pioneer Global Asset Management S.p.A., a wholly owned subsidiary of UniCredit S.p.A. In connection with the transaction, the names of the Fund's investment adviser and principal underwriter changed. Effective July 3, 2017, the name of Pioneer Investment Management, Inc. changed to Amundi Pioneer Asset Management, Inc. (the Adviser) and the name of Pioneer Funds Distributor, Inc. changed to Amundi Pioneer Distributor, Inc. (the Distributor). 32 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 In October 2016, the Securities and Exchange Commission (SEC) released its Final Rule on Investment Company Reporting Modernization. In addition to introducing two new regulatory reporting forms (Form N-PORT and Form N-CEN), the Final Rule amends Regulation S-X, which impacts financial statement presentation, particularly related to the presentation of derivative investments. The Fund's financial statements were prepared in compliance with the amendments to Regulation S-X. The Fund's financial statements have been prepared in conformity with U.S. generally accepted accounting principles (U.S. GAAP) that require the management of the Fund to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of income, expenses and gain or loss on investments during the reporting period. Actual results could differ from those estimates. The Fund is an investment company and follows investment company accounting and reporting guidance under U.S. GAAP. The following is a summary of significant accounting policies followed by the Fund in the preparation of its financial statements: A. Security Valuation The net asset value of the Fund is computed once daily, on each day the New York Stock Exchange (NYSE) is open, as of the close of regular trading on the NYSE. Equity securities that have traded on an exchange are valued by using the last sale price on the principal exchange where they are traded. Equity securities that have not traded on the date of valuation, or securities for which sale prices are not available, generally are valued using the mean between the last bid and asked prices or, if both last bid and asked prices are not available, at the last quoted bid price. Last sale and bid and asked prices are provided by independent third party pricing services. In the case of equity securities not traded on an exchange, prices are typically determined by independent third party pricing services using a variety of techniques and methods. The value of foreign securities is translated into U.S. dollars based on foreign currency exchange rate quotations supplied by a third party pricing source. Trading in non-U.S. equity securities is substantially completed each day at various times prior to the close of the NYSE. The values of such securities used in computing the net asset value of the Fund's shares are determined as of such times. The Fund may use a fair value model developed by an independent pricing service to value non-U.S. equity securities. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 33 Securities for which independent pricing services or broker dealers are unable to supply prices or for which market prices and/or quotations are not readily available or are considered to be unreliable are valued by a fair valuation team comprised of certain personnel of the Adviser, pursuant to procedures adopted by the Fund's Board of Trustees. The Adviser's fair valuation team uses fair value methods approved by the Valuation Committee of the Board of Trustees. The Adviser's fair valuation team is responsible for monitoring developments that may impact fair valued securities and for discussing and assessing fair values on an ongoing basis, and at least quarterly, with the Valuation Committee of the Board of Trustees. Inputs used when applying fair value methods to value a security may include credit ratings, the financial condition of the company, current market conditions and comparable securities. The Fund may use fair value methods if it is determined that a significant event has occurred after the close of the exchange or market on which the security trades and prior to the determination of the Fund's net asset value. Examples of a significant event might include political or economic news, corporate restructurings, natural disasters, terrorist activity or trading halts. Thus, the valuation of the Fund's securities may differ significantly from exchange prices and such differences could be material. At October 31, 2017, there were no securities that were valued using fair value methods (other than securities valued using prices supplied by independent pricing services). B. Investment Income and Transactions Dividend income is recorded on the ex-dividend date, except that certain dividends from foreign securities where the ex-dividend date may have passed are recorded as soon as the Fund becomes aware of the ex-dividend data in the exercise of reasonable diligence. Interest income, including interest on income bearing cash accounts, is recorded on an accrual basis, net of unrecoverable foreign taxes withheld at the applicable country rates and net of income accrued on defaulted securities. Interest and dividend income payable by delivery of additional shares is reclassified as PIK (payment in kind) income upon receipt and is included in interest and dividend income, respectively. Security transactions are recorded as of trade date. Gains and losses on sales of investments are calculated on the identified cost method for both financial reporting and federal income tax purposes. 34 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 C. Federal Income Taxes It is the Fund's policy to comply with the requirements of the Internal Revenue Code applicable to regulated investment companies and to distribute all of its net taxable income and net realized capital gains, if any, to its shareowners. Therefore, no provision for federal income taxes is required. As of October 31, 2017, the Fund did not accrue any interest or penalties with respect to uncertain tax positions, which, if applicable, would be recorded as an income tax expense in the Statement of operations. Tax returns filed within the prior three years are subject to examination by Federal and State tax authorities. The amount and character of income and capital gain distributions to shareowners are determined in accordance with federal income tax rules, which may differ from U.S. GAAP. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Capital accounts within the financial statements are adjusted for permanent book/tax differences to reflect tax character, but are not adjusted for temporary differences. At October 31, 2017, the Fund reclassified $751,762 to decrease undistributed net investment income and $751,762 to increase accumulated net realized gain on investments to reflect permanent book/tax differences. These adjustments have no impact on net assets or the results of operations. The tax character of distributions paid during the fiscal years ended October 31, 2017 and October 31, 2016 were as follows: --------------------------------------------------------------------------------------- 2017 2016 --------------------------------------------------------------------------------------- Distributions paid from: Ordinary income $ 4,156,458 $ 3,294,503 Long-term capital gain 57,741,482 88,915,336 --------------------------------------------------------------------------------------- Total $61,897,940 $92,209,839 =======================================================================================
The following shows the components of distributable earnings (losses) on a federal income tax basis at October 31, 2017: --------------------------------------------------------------------------------------- 2017 --------------------------------------------------------------------------------------- Undistributed ordinary income $ 1,180,493 Undistributed long term capital gain 75,050,052 Net unrealized appreciation 169,782,083 --------------------------------------------------------------------------------------- Total $246,012,628 =======================================================================================
Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 35 The difference between book-basis and tax-basis net unrealized appreciation is attributable to the tax deferral of losses on wash sales and the tax-basis adjustments on REIT holdings, partnerships and other holdings. D. Fund Shares The Fund records sales and repurchases of its shares as of trade date. The Distributor earned $44,019 in underwriting commissions on the sale of Class A shares during the year ended October 31, 2017. E. Class Allocations Income, common expenses and realized and unrealized gains and losses are calculated at the Fund level and allocated daily to each class of shares based on its respective percentage of adjusted net assets at the beginning of the day. Distribution fees are calculated based on the average daily net asset value attributable to Class A, Class C, and Class R shares of the Fund, respectively (see Note 4). Class K and Class Y shares do not pay distribution fees. All expenses and fees paid to the Fund's transfer agent for its services are allocated among the classes of shares based on the number of accounts in each class and the ratable allocation of related out-of-pocket expenses (see Note 3). Distributions to shareowners are recorded as of the ex-dividend date. Distributions paid by the Fund with respect to each class of shares are calculated in the same manner and at the same time, except that net investment income dividends to Class A, Class C, Class K, Class R and Class Y shares can reflect different transfer agent and distribution expense rates. F. Risks The value of securities held by the fund may go up or down, sometimes rapidly or unpredictably, due to general market conditions, such as real or perceived adverse economic, political or regulatory conditions, inflation, changes in interest rates, lack of liquidity in the bond markets or adverse investor sentiment. In the past several years, financial markets have experienced increased volatility, depressed valuations, decreased liquidity and heightened uncertainty. These conditions may continue, recur, worsen or spread. At times, the Fund's investments may represent industries or industry sectors that are interrelated or have common risks, making the Fund more susceptible to any economic, political, or regulatory developments or other risks affecting those industries or sectors. The Fund's prospectus contains unaudited information regarding the Fund's principal risks. Please refer to that document when considering the Fund's principal risks. 36 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 2. Management Agreement The Adviser manages the Fund's portfolio Management fees are calculated daily at the annual rate of 0.70% of the Fund's average daily net assets up to $500 million, 0.65% on the next $500 million, 0.625% on the next $3 billion and 0.60% on the excess over $4 billion. The basic fee (fee before performance adjustment) can increase or decrease by a maximum of 0.10% based on the investment performance of the Fund's Class A shares as compared to the Russell Midcap Value Index. The performance comparison is made for a rolling 36-month year. In addition, the Adviser contractually limits any positive adjustment of the Fund's management fee to 0.10% of the Fund's average daily net assets on an annual basis (i.e., to a maximum management fee of 0.80% of average daily net assets after the performance adjustment). For the year ended October 31, 2017, the aggregate performance adjustment resulted in a decrease of $720,136 to the basic fee. For the year ended October 31, 2017 the effective management fee after performance adjustment was equivalent to 0.60% of the Fund's average daily net assets. In addition, under the management and administration agreements, certain other services and costs, including accounting, regulatory reporting and insurance premiums, are paid by the Fund as administrative reimbursements. Included in "Due to affiliates" and "Management fees payable" reflected in the Statement of Assets and Liabilities is $135,393 in management fees, administrative costs and certain other reimbursements payable to the Adviser at October 31, 2017. 3. Transfer Agent Boston Financial Data Services serves as the transfer agent to the Fund at negotiated rates. Transfer agent fees and payables shown on the Statement of Operations and the Statement of Assets and Liabilities, respectively, include sub-transfer agent expenses incurred through the Fund's omnibus relationship contracts. In addition, the Fund reimbursed the transfer agent for out-of-pocket expenses incurred by the transfer agent related to shareholder communications activities such as proxy and statement mailings, outgoing phone calls and omnibus relationship contracts. For the year ended October 31, 2017, such out-of-pocket expenses by class of shares were as follows: -------------------------------------------------------------------------------- Shareholder Communications -------------------------------------------------------------------------------- Class A $226,615 Class C 11,350 Class K 53 Class R 620 Class Y 3,255 -------------------------------------------------------------------------------- Total $241,893 ================================================================================
Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 37 4. Distribution and Service Plans The Fund has adopted a distribution plan (the Plan) pursuant to Rule 12b-1 of the Investment Company Act of 1940 with respect to its Class A, Class C and Class R shares. Pursuant to the Plan, the Fund pays the Distributor 0.25% of the average daily net assets attributable to Class A shares as compensation for personal services and/or account maintenance services or distribution services with regard to Class A shares. Pursuant to the Plan, the Fund also pays the Distributor 1.00% of the average daily net assets attributable to Class C shares. The fee for Class C shares consists of a 0.25% service fee and a 0.75% distribution fee paid as compensation for personal services and/or account maintenance services or distribution services with regard to Class C shares. Pursuant to the Plan, the Fund further pays the Distributor 0.50% of the average daily net assets attributable to Class R shares for distribution services. Included in "Distribution fees payable" reflected on the Statement of Assets and Liabilities is $62,981 in distribution fees payable to the Distributor at October 31, 2017. The Fund also has adopted a separate service plan for Class R shares (Service Plan). The Service Plan authorizes the Fund to pay securities dealers, plan administrators or other service organizations that agree to provide certain services to retirement plans or plan participants holding shares of the Fund a service fee of up to 0.25% of the Fund's average daily net assets attributable to Class R shares held by such plans. In addition, redemptions of each class of shares (except Class K, Class R and Class Y shares) may be subject to a contingent deferred sales charge (CDSC). A CDSC of 1.00% may be imposed on redemptions of certain net asset value purchases of Class A shares within 12 months of purchase. Redemptions of Class C shares within 12 months of purchase are subject to a CDSC of 1.00%, based on the lower of cost or market value of shares being redeemed. Shares purchased as part of an exchange remain subject to any CDSC that applied to the original purchase of those shares. There is no CDSC for Class K, Class R or Class Y shares. Proceeds from the CDSCs are paid to the Distributor. For the year ended October 31, 2017, CDSCs in the amount of $4,029 were paid to the Distributor. 5. Line of Credit Facility The Fund, along with certain other funds in the Pioneer Family of Funds (the Funds), participates in a committed, unsecured revolving line of credit facility. Borrowings are used solely for temporary or emergency purposes. The Fund may borrow up to the lesser of the amount available under the facility or the limits set for borrowing by the Fund's prospectus and the 1940 Act. The credit facility in which the Fund participated until February 9, 2016 was in the amount of $240 million. The credit facility in which the Fund participated 38 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 until February 7, 2017, was in the amount of $220 million. Effective February 8, 2017, the Fund participates in a facility that is in the amount of $195 million. Under such facility, depending on the type of loan, interest on borrowings is payable at the London Interbank Offered Rate (LIBOR) plus 0.85% on an annualized basis, or the Alternate Base Rate, which is the greater of (a) the facility's administrative agent's daily announced prime rate on the borrowing date, (b) 2% plus the Federal Funds Rate on the borrowing date or (c) 2% plus the overnight Eurodollar rate on the borrowing date. The Funds pay an annual commitment fee to participate in a credit facility. The commitment fee is allocated among participating Funds based on an allocation schedule set forth in the credit agreement. For the year ended October 31, 2017, the Fund had no borrowings under the credit facility. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 39 Report of Independent Registered Public Accounting Firm To the Board of Trustees and the Shareowners of Pioneer Mid Cap Value Fund: -------------------------------------------------------------------------------- We have audited the accompanying statement of assets and liabilities of Pioneer Mid Cap Value Fund (the "Fund"), including the schedule of investments, as of October 31, 2017, and the related statements of operations, changes in net assets and the financial highlights for the year then ended and the financial highlights for the year ended October 31, 2013. These financial statements and financial highlights are the responsibility of the Fund's management. Our responsibility is to express an opinion on these financial statements and financial highlights based on our audits. The statement of changes in net assets for the year ended October 31, 2016 and the financial highlights for periods ended October 31, 2014, October 31, 2015 and October 31, 2016 were audited by another independent registered public accounting firm whose report, dated December 23, 2016, expressed an unqualified opinion on the statement of changes in net assets and those financial highlights. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements and financial highlights are free of material misstatement. We were not engaged to perform audits of the Fund's internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Fund's internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements and financial highlights, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our procedures included confirmation of securities owned as of October 31, 2017, by correspondence with the custodian, brokers and others. We believe that our audits provide a reasonable basis for our opinion. In our opinion, the financial statements and financial highlights referred to above present fairly, in all material respects, the financial position of Pioneer Mid Cap Value Fund at October 31, 2017, the results of its operations, the changes in its net assets, and the financial highlights for the year then ended and the financial highlights for the year ended October 31, 2013, in conformity with U.S. generally accepted accounting principles. /s/ Ernst & Young LLP Boston, Massachusetts December 26, 2017 40 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 ADDITIONAL INFORMATION The qualifying percentage of the Fund's ordinary income dividends for the purpose of the corporate dividends received deduction was 100.0%. Change in Independent Registered Public Accounting Firm Prior to July 3, 2017 Pioneer Investment Management, Inc. (the Adviser), the Fund's investment adviser, was an indirect, wholly owned subsidiary of UniCredit S.p.A. (UniCredit). On that date, UniCredit completed the sale of its Pioneer Investments business, which includes the Adviser, to Amundi (the Transaction). As a result of the Transaction, the Adviser became an indirect, wholly owned subsidiary of Amundi. Amundi is controlled by Credit Agricole S.A. Amundi is headquartered in Paris, France, and, as of September 30, 2016, had more than $1.1 trillion in assets under management worldwide. Deloitte & Touche LLP (D&T), the Fund's previous independent registered public accounting firm, informed the Audit Committee and the Board that it would no longer be independent with respect to the Fund upon the completion of the Transaction as a result of certain services being provided to Amundi and Credit Agricole, and, accordingly, that it intended to resign as the Fund's independent registered public accounting firm upon the completion of the Transaction. D&T's resignation was effective on July 3, 2017, when the Transaction was completed. During the periods as to which D&T has served as the Fund's independent registered public accounting firm, including the Fund's two most recent fiscal years, D&T's reports on the Fund's financial statements have not contained an adverse opinion or disclaimer of opinion and have not been qualified or modified as to uncertainty, audit scope or accounting principles. Further, there have been no disagreements with D&T on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure, which, if not resolved to the satisfaction of D&T, would have caused D&T to make reference to the subject matter of the disagreement in connection with its report on the financial statements. In addition, there have been no reportable events of the kind described in Item 304(a)(1)(v) of Regulation S-K under the Securities Exchange Act of 1934. Effective immediately following the completion of the Transaction on July 3, 2017, the Board, acting upon the recommendation of the Audit Committee, engaged a new independent registered public accounting firm, Ernst & Young LLP (EY). Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 41 Prior to its engagement, EY had advised the Fund's Audit Committee that EY had identified the following matters, in each case relating to services rendered by other member firms of Ernst & Young Global Limited, all of which are located outside the United States, to UniCredit and certain of its subsidiaries during the year commencing July 1, 2016, that it determined to be inconsistent with the auditor independence rules set forth by the Securities and Exchange Commission (SEC): (a) project management support services to UniCredit in the Czech Republic, Germany, Italy, Serbia and Slovenia in relation to twenty-two projects, that were determined to be inconsistent with Rule 2-01(c)(4)(vi) of Regulation S-X (management functions); (b) two engagements for UniCredit in Italy where fees were contingent/success based and that were determined to be inconsistent with Rule 2-01(c)(5) of Regulation S-X (contingent fees); (c) four engagements where legal and expert services were provided to UniCredit in the Czech Republic and Germany, and twenty engagements where the legal advisory services were provided to UniCredit in Austria, Czech Republic, Italy and Poland, that were determined to be inconsistent with Rule 2-01(c)(4)(ix) and (x) of Regulation S-X (legal and expert services); and (d) two engagements for UniCredit in Italy involving assistance in the sale of certain assets, that were determined to be inconsistent with Rule 2-01(c)(4)(viii) of Regulation S-X (broker-dealer, investment advisor or investment banking services). None of the foregoing services involved the Fund, any of the other funds in the Pioneer Family of Funds or any other Pioneer entity sold by UniCredit in the Transaction. EY advised the Audit Committee that it had considered the matters described above and had concluded that such matters would not impair EY's ability to exercise objective and impartial judgment in connection with the audits of the financial statements of the Fund under the SEC and Public Company Accounting Oversight Board independence rules, and that a reasonable investor with knowledge of all relevant facts and circumstances would reach the same conclusion. Management and the Audit Committee considered these matters and discussed the matters with EY and, based upon EY's description of the matters and statements made by EY, Management and the Audit Committee believe that EY will be capable of exercising objective and impartial judgment in connection with the audits of the financial statements of the Fund, and Management further believes that a reasonable investor with knowledge of all relevant facts and circumstances would reach the same conclusion. 42 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Results of Shareholder Meeting At a special meeting held on June 13, 2017, shareholders of the Fund were asked to consider the proposals described below. A report of the total votes cast by the Fund's shareholders follows: -------------------------------------------------------------------------------------------------- For Against Abstain Broker Non-Votes -------------------------------------------------------------------------------------------------- Proposal 1 - To approve a New Management Agreement with the Adviser 19,441,220.609 719,653.327 1,110,681.045 5,606,327.800
------------------------------------------------------------------------------------ For Withhold ------------------------------------------------------------------------------------ Proposal 2 - To elect Trustees ------------------------------------------------------------------------------------ David R. Bock 25,639,180.625 1,238,702.156 ------------------------------------------------------------------------------------ Benjamin M. Friedman 25,642,961.570 1,234,921.211 ------------------------------------------------------------------------------------ Margaret B.W. Graham 25,684,411.028 1,193,471.753 ------------------------------------------------------------------------------------ Lisa M. Jones 25,678,709.719 1,199,173.062 ------------------------------------------------------------------------------------ Lorraine H. Monchak 25,683,645.084 1,194,237.697 ------------------------------------------------------------------------------------ Thomas J. Perna 25,708,730.004 1,169,152.777 ------------------------------------------------------------------------------------ Marguerite A. Piret 25,647,691.848 1,230,190.933 ------------------------------------------------------------------------------------ Fred J. Ricciardi 25,701,695.365 1,176,187.416 ------------------------------------------------------------------------------------ Kenneth J. Taubes 25,763,797.700 1,114,085.081 ------------------------------------------------------------------------------------
Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 43 Trustees, Officers and Service Providers Investment Adviser Amundi Pioneer Asset Management, Inc. Custodian and Sub-Administrator Brown Brothers Harriman & Co. Independent Registered Public Accounting Firm Ernst & Young LLP Principal Underwriter Amundi Pioneer Distributor, Inc. Legal Counsel Morgan, Lewis & Bockius LLP Shareowner Services and Transfer Agent Boston Financial Data Services, Inc. Proxy Voting Policies and Procedures of the Fund are available without charge, upon request, by calling our toll free number (1-800-225-6292). Information regarding how the Fund voted proxies relating to portfolio securities during the most recent 12-month period ended July 31 is publicly available to shareowners at www.amundipioneer.com. This information is also available on the Securities and Exchange Commission's web site at www.sec.gov. Trustees and Officers The Fund's Trustees and officers are listed below, together with their principal occupations and other directorships they have held during at least the past five years. Trustees who are interested persons of the Fund within the meaning of the 1940 Act are referred to as Interested Trustees. Trustees who are not interested persons of the Fund are referred to as Independent Trustees. Each of the Trustees serves as a Trustee of each of the 46 U.S. registered investment portfolios for which Amundi Pioneer serves as investment adviser (the "Pioneer Funds"). The address for all Trustees and all officers of the Fund is 60 State Street, Boston, Massachusetts 02109. The Statement of Additional Information of the Fund includes additional information about the Trustees and is available, without charge, upon request, by calling 1-800-225-6292. 44 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Independent Trustees ------------------------------------------------------------------------------------------------------------------------------------ Name, Age and Term of Office and Other Directorships Position Held With the Fund Length of Service Principal Occupation Held by Trustee ------------------------------------------------------------------------------------------------------------------------------------ Thomas J. Perna (67) Trustee since 2006. Private investor (2004 - 2008 and 2013 - Director, Broadridge Financial Chairman of the Board Serves until a present); Chairman (2008 - 2013) and Chief Solutions, Inc. (investor and Trustee successor trustee is Executive Officer (2008 - 2012), Quadriserv, communications and securities elected or earlier Inc. (technology products for securities lending processing provider for retirement or industry); and Senior Executive Vice President, financial services industry) removal. The Bank of New York (financial and securities (2009 - present); Director, services) (1986 - 2004) Quadriserv, Inc. (2005 - 2013); and Commissioner, New Jersey State Civil Service Commission (2011 - 2015) ------------------------------------------------------------------------------------------------------------------------------------ David R. Bock (73) Trustee since 2005. Managing Partner, Federal City Capital Advisors Director of New York Mortgage Trustee Serves until a (corporate advisory services company) (1997 - Trust (publicly-traded mortgage successor trustee is 2004 and 2008 - present); Interim Chief REIT) (2004 - 2009, 2012 - elected or earlier Executive Officer, Oxford Analytica, Inc. present); Director of The Swiss retirement or (privately held research and consulting company) Helvetia Fund, Inc. (closed-end removal. (2010); Executive Vice President and Chief fund) (2010 - present); Financial Officer, I-trax, Inc. (publicly traded Director of Oxford Analytica, health care services company) (2004 - 2007); and Inc. (2008 - present); and Executive Vice President and Chief Financial Director of Enterprise Officer, Pedestal Inc. (internet-based mortgage Community Investment, Inc. trading company) (2000 - 2002); Private (privately-held affordable Consultant (1995 - 1997); Managing Director, housing finance company) (1985 - Lehman Brothers (1992 - 1995); Executive, The 2010) World Bank (1979 - 1992) ------------------------------------------------------------------------------------------------------------------------------------ Benjamin M. Friedman (73) Trustee since 2008. William Joseph Maier Professor of Political Trustee, Mellon Institutional Trustee Serves until a Economy, Harvard University (1972 - present) Funds Investment Trust and successor trustee is Mellon Institutional Funds elected or earlier Master Portfolio (oversaw 17 retirement or portfolios in fund complex) removal. (1989 - 2008) ------------------------------------------------------------------------------------------------------------------------------------
Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 45 Independent Trustees (continued) ------------------------------------------------------------------------------------------------------------------------------------ Name, Age and Term of Office and Other Directorships Position Held With the Fund Length of Service Principal Occupation Held by Trustee ------------------------------------------------------------------------------------------------------------------------------------ Margaret B.W. Graham (70) Trustee since 1990. Founding Director, Vice-President and Corporate None Trustee Serves until a Secretary, The Winthrop Group, Inc. (consulting successor trustee is firm) (1982 - present); Desautels Faculty of elected or earlier Management, McGill University (1999 - present); retirement or and Manager of Research Operations and removal. Organizational Learning, Xerox PARC, Xerox's advance research center (1990-1994) ------------------------------------------------------------------------------------------------------------------------------------ Lorraine H. Monchak (61) Trustee since 2017. Chief Investment Officer, 1199 SEIU Funds None Trustee (Advisory Trustee (healthcare workers union pension funds) (2001 - from 2014 - 2017). present); Vice President - International Serves until a Investments Group, American International Group, successor trustee is Inc. (insurance company) (1993 - 2001); Vice elected or earlier President, Corporate Finance and Treasury Group, retirement or Citibank, N.A. (1980 - 1986 and 1990 - 1993); removal. Vice President - Asset/Liability Management Group, Federal Farm Funding Corporation (government-sponsored issuer of debt securities) (1988 - 1990); Mortgage Strategies Group, Shearson Lehman Hutton, Inc. (investment bank) (1987 - 1988); Mortgage Strategies Group, Drexel Burnham Lambert, Ltd. (investment bank) (1986 - 1987) ------------------------------------------------------------------------------------------------------------------------------------ Marguerite A. Piret (69) Trustee since 1990. President and Chief Executive Officer, Newbury Director of New America High Trustee Serves until a Piret Company (investment banking firm) (1981 - Income Fund, Inc. (closed-end successor trustee is present) investment company) (2004 - elected or earlier present); and Member, Board of retirement or Governors, Investment Company removal. Institute (2000 - 2006) ------------------------------------------------------------------------------------------------------------------------------------ Fred J. Ricciardi (70) Trustee since 2014. Consultant (investment company services) (2012 - None Trustee Serves until a present); Executive Vice President, BNY Mellon successor trustee is (financial and investment company services) (1969 elected or earlier - 2012); Director, BNY International Financing retirement or Corp. (financial services) (2002 - 2012); removal. Director, Mellon Overseas Investment Corp. (financial services) (2009 - 2012) ------------------------------------------------------------------------------------------------------------------------------------
46 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 Interested Trustees ------------------------------------------------------------------------------------------------------------------------------------ Name, Age and Term of Office and Other Directorships Position Held With the Fund Length of Service Principal Occupation Held by Trustee ------------------------------------------------------------------------------------------------------------------------------------ Lisa M. Jones (55)* Trustee since 2017. Chair, Director, CEO and President of Amundi None Trustee, President and Serves until a Pioneer Asset Management USA, Inc. (since Chief Executive Officer successor trustee is September 2014); Chair, Director and CEO of elected or earlier Amundi Pioneer Asset Management, Inc. (since retirement or removal September 2014); Chair, Director and CEO of Amundi Pioneer Distributor, Inc. (since September 2014); Chair, Director, CEO and President of Amundi Pioneer Institutional Asset Management, Inc. (since September 2014); Managing Director, Morgan Stanley Investment Management (2010 - 2013); Director of Institutional Business, CEO of International, Eaton Vance Management (2005 - 2010) ------------------------------------------------------------------------------------------------------------------------------------ Kenneth J. Taubes (59)* Trustee since 2014. Director and Executive Vice President (since None Trustee Serves until a 2008) and Chief Investment Officer, U.S. (since successor trustee is 2010) of Amundi Pioneer Asset Management USA, elected or earlier Inc.; Executive Vice President and Chief retirement or removal Investment Officer, U.S. of Amundi Pioneer (since 2008); Executive Vice President of Amundi Pioneer Institutional Asset Management, Inc. (since 2009); Portfolio Manager of Amundi Pioneer (since 1999) ------------------------------------------------------------------------------------------------------------------------------------
* Ms. Jones and Mr. Taubes are Interested Trustees because they are officers or directors of the Fund's investment adviser and certain of its affiliates. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 47 Fund Officers ------------------------------------------------------------------------------------------------------------------------------------ Name, Age and Term of Office and Other Directorships Position Held With the Fund Length of Service Principal Occupation Held by Trustee ------------------------------------------------------------------------------------------------------------------------------------ Christopher J. Kelley (52) Since 2003. Serves at Vice President and Associate General Counsel of None Secretary and Chief Legal the discretion of the Amundi Pioneer since January 2008; Secretary and Officer Board Chief Legal Officer of all of the Pioneer Funds since June 2010; Assistant Secretary of all of the Pioneer Funds from September 2003 to May 2010; Vice President and Senior Counsel of Amundi Pioneer from July 2002 to December 2007 ------------------------------------------------------------------------------------------------------------------------------------ Carol B. Hannigan (56) Since 2010. Serves at Fund Governance Director of Amundi Pioneer since None Assistant Secretary the discretion of the December 2006 and Assistant Secretary of all the Board Pioneer Funds since June 2010; Manager - Fund Governance of Amundi Pioneer from December 2003 to November 2006; and Senior Paralegal of Amundi Pioneer from January 2000 to November 2003 ------------------------------------------------------------------------------------------------------------------------------------ Thomas Reyes (54) Since 2010. Serves at Senior Counsel of Amundi Pioneer since May 2013 None Assistant Secretary the discretion of the and Assistant Secretary of all the Pioneer Funds Board since June 2010; Counsel of Amundi Pioneer from June 2007 to May 2013 ------------------------------------------------------------------------------------------------------------------------------------ Mark E. Bradley (57) Since 2008. Serves at Vice President - Fund Treasury of Amundi None Treasurer and Chief the discretion of the Pioneer; Treasurer of all of the Pioneer Funds Financial Board since March 2008; Deputy Treasurer of Amundi and Accounting Officer Pioneer from March 2004 to February 2008; and Assistant Treasurer of all of the Pioneer Funds from March 2004 to February 2008 ------------------------------------------------------------------------------------------------------------------------------------ Luis I. Presutti (52) Since 2000. Serves at Director - Fund Treasury of Amundi Pioneer; and None Assistant Treasurer the discretion of the Assistant Treasurer of all of the Pioneer Funds Board ------------------------------------------------------------------------------------------------------------------------------------ Gary Sullivan (59) Since 2002. Serves at Fund Accounting Manager - Fund Treasury of None Assistant Treasurer the discretion of the Amundi Pioneer; and Assistant Treasurer of all Board of the Pioneer Funds ------------------------------------------------------------------------------------------------------------------------------------ David F. Johnson (37) Since 2009. Serves at Fund Administration Manager - Fund Treasury of None Assistant Treasurer the discretion of the Amundi Pioneer since November 2008; Assistant Board Treasurer of all of the Pioneer Funds since January 2009; Client Service Manager - Institutional Investor Services at State Street Bank from March 2003 to March 2007 ------------------------------------------------------------------------------------------------------------------------------------
48 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 ------------------------------------------------------------------------------------------------------------------------------------ Name, Age and Term of Office and Other Directorships Position Held With the Fund Length of Service Principal Occupation Held by Trustee ------------------------------------------------------------------------------------------------------------------------------------ Jean M. Bradley (65) Since 2010. Serves at Chief Compliance Officer of Amundi Pioneer and None Chief Compliance Officer the discretion of the of all the Pioneer Funds since March 2010; Chief Board Compliance Officer of Amundi Pioneer Institutional Asset Management, Inc. since January 2012; Chief Compliance Officer of Vanderbilt Capital Advisors, LLC since July 2012: Director of Adviser and Portfolio Compliance at Amundi Pioneer since October 2005; Senior Compliance Officer for Columbia Management Advisers, Inc. from October 2003 to October 2005 ------------------------------------------------------------------------------------------------------------------------------------ Kelly O'Donnell (46) Since 2006. Serves at Director - Transfer Agency Compliance of Amundi None Anti-Money Laundering the discretion of the Pioneer and Anti-Money Laundering Officer of all Officer Board the Pioneer Funds since 2006 ------------------------------------------------------------------------------------------------------------------------------------
Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 49 This page is for your notes. 50 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 This page is for your notes. Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 51 This page is for your notes. 52 Pioneer Mid Cap Value Fund | Annual Report | 10/31/17 How to Contact Amundi Pioneer We are pleased to offer a variety of convenient ways for you to contact us for assistance or information. Call us for: -------------------------------------------------------------------------------- Account Information, including existing accounts, new accounts, prospectuses, applications and service forms 1-800-225-6292 FactFone(SM) for automated fund yields, prices, account information and transactions 1-800-225-4321 Retirement plans information 1-800-622-0176 Write to us: -------------------------------------------------------------------------------- Amundi Pioneer P.O. Box 55014 Boston, Massachusetts 02205-5014 Our toll-free fax 1-800-225-4240 Our internet e-mail address [email protected] (for general questions about Amundi Pioneer only) Visit our web site: www.amundipioneer.com This report must be preceded or accompanied by a prospectus. The Fund files a complete schedule of investments with the Securities and Exchange Commission for the first and third quarters for each fiscal year on Form N-Q. Shareholders may view the filed Form N-Q by visiting the Commission's web site at www.sec.gov. The filed form may also be viewed and copied at the Commission's Public Reference Room in Washington, DC. Information regarding the operations of the Public Reference Room may be obtained by calling 1-800-SEC-0330. [LOGO] Amundi Pioneer ============== ASSET MANAGEMENT Amundi Pioneer Asset Management, Inc. 60 State Street Boston, MA 02109 www.amundipioneer.com Securities offered through Amundi Pioneer Distributor, Inc. 60 State Street, Boston, MA 02109 Underwriter of Pioneer Mutual Funds, Member SIPC (C) 2017 Amundi Pioneer Asset Management 19443-11-1217 ITEM 2. CODE OF ETHICS. (a) Disclose whether, as of the end of the period covered by the report, the registrant has adopted a code of ethics that applies to the registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the registrant or a third party. If the registrant has not adopted such a code of ethics, explain why it has not done so. The registrant has adopted, as of the end of the period covered by this report, a code of ethics that applies to the registrant's principal executive officer, principal financial officer, principal accounting officer and controller. (b) For purposes of this Item, the term "code of ethics" means written standards that are reasonably designed to deter wrongdoing and to promote: (1) Honest and ethical conduct, including the ethical handling of actual or apparent conflicts of interest between personal and professional relationships; (2) Full, fair, accurate, timely, and understandable disclosure in reports and documents that a registrant files with, or submits to, the Commission and in other public communications made by the registrant; (3) Compliance with applicable governmental laws, rules, and regulations; (4) The prompt internal reporting of violations of the code to an appropriate person or persons identified in the code; and (5) Accountability for adherence to the code. (c) The registrant must briefly describe the nature of any amendment, during the period covered by the report, to a provision of its code of ethics that applies to the registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the registrant or a third party, and that relates to any element of the code of ethics definition enumerated in paragraph (b) of this Item. The registrant must file a copy of any such amendment as an exhibit pursuant to Item 10(a), unless the registrant has elected to satisfy paragraph (f) of this Item by posting its code of ethics on its website pursuant to paragraph (f)(2) of this Item, or by undertaking to provide its code of ethics to any person without charge, upon request, pursuant to paragraph (f)(3) of this Item. The registrant has made no amendments to the code of ethics during the period covered by this report. (d) If the registrant has, during the period covered by the report, granted a waiver, including an implicit waiver, from a provision of the code of ethics to the registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the registrant or a third party, that relates to one or more of the items set forth in paragraph (b) of this Item, the registrant must briefly describe the nature of the waiver, the name of the person to whom the waiver was granted, and the date of the waiver. Not applicable. (e) If the registrant intends to satisfy the disclosure requirement under paragraph (c) or (d) of this Item regarding an amendment to, or a waiver from, a provision of its code of ethics that applies to the registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions and that relates to any element of the code of ethics definition enumerated in paragraph (b) of this Item by posting such information on its Internet website, disclose the registrant's Internet address and such intention. Not applicable. (f) The registrant must: (1) File with the Commission, pursuant to Item 12(a)(1), a copy of its code of ethics that applies to the registrant's principal executive officer,principal financial officer, principal accounting officer or controller, or persons performing similar functions, as an exhibit to its annual report on this Form N-CSR (see attachment); (2) Post the text of such code of ethics on its Internet website and disclose, in its most recent report on this Form N-CSR, its Internet address and the fact that it has posted such code of ethics on its Internet website; or (3) Undertake in its most recent report on this Form N-CSR to provide to any person without charge, upon request, a copy of such code of ethics and explain the manner in which such request may be made. See Item 10(2) ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT. (a) (1) Disclose that the registrant's board of trustees has determined that the registrant either: (i) Has at least one audit committee financial expert serving on its audit committee; or (ii) Does not have an audit committee financial expert serving on its audit committee. The registrant's Board of Trustees has determined that the registrant has at least one audit committee financial expert. (2) If the registrant provides the disclosure required by paragraph (a)(1)(i) of this Item, it must disclose the name of the audit committee financial expert and whether that person is "independent." In order to be considered "independent" for purposes of this Item, a member of an audit committee may not, other than in his or her capacity as a member of the audit committee, the board of trustees, or any other board committee: (i) Accept directly or indirectly any consulting, advisory, or other compensatory fee from the issuer; or (ii) Be an "interested person" of the investment company as defined in Section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19)). Ms. Marguerite A. Piret, an independent trustee, is such an audit committee financial expert. (3) If the registrant provides the disclosure required by paragraph (a)(1) (ii) of this Item, it must explain why it does not have an audit committee financial expert. Not applicable. ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES. (a) Disclose, under the caption AUDIT FEES, the aggregate fees billed for each of the last two fiscal years for professional services rendered by the principal accountant for the audit of the registrant's annual financial statements or services that are normally provided by the accountant in connection with statutory and regulatory filings or engagements for those fiscal years. The audit fees for the Fund was $23,000 payable to Ernst & Young LLP for the year ended October 31, 2017 and $25,064 payable to Deloitte & Touche LLP for the year ended October 31, 2016. (b) Disclose, under the caption AUDIT-RELATED FEES, the aggregate fees billed in each of the last two fiscal years for assurance and related services by the principal accountant that are reasonably related to the performance of the audit of the registrant's financial statements and are not reported under paragraph (a) of this Item. Registrants shall describe the nature of the services comprising the fees disclosed under this category. There were no audit-related services in 2017 or 2016. (c) Disclose, under the caption TAX FEES, the aggregate fees billed in each of the last two fiscal years for professional services rendered by the principal accountant for tax compliance, tax advice, and tax planning. Registrants shall describe the nature of the services comprising the fees disclosed under this category. The tax fees for the Fund were $8,028 payable to Ernst & Young LLP for the year ended October 31, 2017 and $8,778 payable to Deloitte & Touche LLP for the year ended October 31, 2016. (d) Disclose, under the caption ALL OTHER FEES, the aggregate fees billed in each of the last two fiscal years for products and services provided by the principal accountant, other than the services reported in paragraphs (a) through (c) of this Item. Registrants shall describe the nature of the services comprising the fees disclosed under this category. There were no other fees in 2017 or 2016. (e) (1) Disclose the audit committee's pre-approval policies and procedures described in paragraph (c)(7) of Rule 2-01 of Regulation S-X. PIONEER FUNDS APPROVAL OF AUDIT, AUDIT-RELATED, TAX AND OTHER SERVICES PROVIDED BY THE INDEPENDENT AUDITOR SECTION I - POLICY PURPOSE AND APPLICABILITY The Pioneer Funds recognize the importance of maintaining the independence of their outside auditors. Maintaining independence is a shared responsibility involving Pioneer Asset Management, Inc, the audit committee and the independent auditors. The Funds recognize that a Fund's independent auditors: 1) possess knowledge of the Funds, 2) are able to incorporate certain services into the scope of the audit, thereby avoiding redundant work, cost and disruption of Fund personnel and processes, and 3) have expertise that has value to the Funds. As a result, there are situations where it is desirable to use the Fund's independent auditors for services in addition to the annual audit and where the potential for conflicts of interests are minimal. Consequently, this policy, which is intended to comply with Rule 210.2-01(C)(7), sets forth guidelines and procedures to be followed by the Funds when retaining the independent audit firm to perform audit, audit-related tax and other services under those circumstances, while also maintaining independence. Approval of a service in accordance with this policy for a Fund shall also constitute approval for any other Fund whose pre-approval is required pursuant to Rule 210.2-01(c)(7)(ii). In addition to the procedures set forth in this policy, any non-audit services that may be provided consistently with Rule 210.2-01 may be approved by the Audit Committee itself and any pre-approval that may be waived in accordance with Rule 210.2-01(c)(7)(i)(C) is hereby waived. Selection of a Fund's independent auditors and their compensation shall be determined by the Audit Committee and shall not be subject to this policy. SECTION II - POLICY ---------------- -------------------------------- ------------------------------------------------- SERVICE SERVICE CATEGORY DESCRIPTION SPECIFIC PRE-APPROVED SERVICE SUBCATEGORIES CATEGORY ---------------- -------------------------------- ------------------------------------------------- I. AUDIT Services that are directly o Accounting research assistance SERVICES related to performing the o SEC consultation, registration independent audit of the Funds statements, and reporting o Tax accrual related matters o Implementation of new accounting standards o Compliance letters (e.g. rating agency letters) o Regulatory reviews and assistance regarding financial matters o Semi-annual reviews (if requested) o Comfort letters for closed end offerings ---------------- -------------------------------- ------------------------------------------------- II. Services which are not o AICPA attest and agreed-upon procedures AUDIT-RELATED prohibited under Rule o Technology control assessments SERVICES 210.2-01(C)(4) (the "Rule") o Financial reporting control assessments and are related extensions of o Enterprise security architecture the audit services support the assessment audit, or use the knowledge/expertise gained from the audit procedures as a foundation to complete the project. In most cases, if the Audit-Related Services are not performed by the Audit firm, the scope of the Audit Services would likely increase. The Services are typically well-defined and governed by accounting professional standards (AICPA, SEC, etc.) ---------------- -------------------------------- ------------------------------------------------- ------------------------------------- ------------------------------------ AUDIT COMMITTEE APPROVAL POLICY AUDIT COMMITTEE REPORTING POLICY ------------------------------------- ------------------------------------ o "One-time" pre-approval o A summary of all such for the audit period for all services and related fees pre-approved specific service reported at each regularly subcategories. Approval of the scheduled Audit Committee independent auditors as meeting. auditors for a Fund shall constitute pre approval for these services. ------------------------------------- ------------------------------------ o "One-time" pre-approval o A summary of all such for the fund fiscal year within services and related fees a specified dollar limit (including comparison to for all pre-approved specified dollar limits) specific service subcategories reported quarterly. o Specific approval is needed to exceed the pre-approved dollar limit for these services (see general Audit Committee approval policy below for details on obtaining specific approvals) o Specific approval is needed to use the Fund's auditors for Audit-Related Services not denoted as "pre-approved", or to add a specific service subcategory as "pre-approved" ------------------------------------- ------------------------------------
SECTION III - POLICY DETAIL, CONTINUED ----------------------- --------------------------- ----------------------------------------------- SERVICE CATEGORY SERVICE CATEGORY SPECIFIC PRE-APPROVED SERVICE SUBCATEGORIES DESCRIPTION ----------------------- --------------------------- ----------------------------------------------- III. TAX SERVICES Services which are not o Tax planning and support prohibited by the Rule, o Tax controversy assistance if an officer of the Fund o Tax compliance, tax returns, excise determines that using the tax returns and support Fund's auditor to provide o Tax opinions these services creates significant synergy in the form of efficiency, minimized disruption, or the ability to maintain a desired level of confidentiality. ----------------------- --------------------------- ----------------------------------------------- ------------------------------------- ------------------------- AUDIT COMMITTEE APPROVAL POLICY AUDIT COMMITTEE REPORTING POLICY ------------------------------------- ------------------------- ------------------------------------- ------------------------- o "One-time" pre-approval o A summary of for the fund fiscal year all such services and within a specified dollar limit related fees (including comparison to specified dollar limits) reported quarterly. o Specific approval is needed to exceed the pre-approved dollar limits for these services (see general Audit Committee approval policy below for details on obtaining specific approvals) o Specific approval is needed to use the Fund's auditors for tax services not denoted as pre-approved, or to add a specific service subcategory as "pre-approved" ------------------------------------- -------------------------
SECTION III - POLICY DETAIL, CONTINUED ----------------------- --------------------------- ----------------------------------------------- SERVICE CATEGORY SERVICE CATEGORY SPECIFIC PRE-APPROVED SERVICE SUBCATEGORIES DESCRIPTION ----------------------- --------------------------- ----------------------------------------------- IV. OTHER SERVICES Services which are not o Business Risk Management support prohibited by the Rule, o Other control and regulatory A. SYNERGISTIC, if an officer of the Fund compliance projects UNIQUE QUALIFICATIONS determines that using the Fund's auditor to provide these services creates significant synergy in the form of efficiency, minimized disruption, the ability to maintain a desired level of confidentiality, or where the Fund's auditors posses unique or superior qualifications to provide these services, resulting in superior value and results for the Fund. ----------------------- --------------------------- ----------------------------------------------- --------------------------------------- ------------------------ AUDIT COMMITTEE APPROVAL POLICY AUDIT COMMITTEE REPORTING POLICY ------------------------------------- -------------------------- o "One-time" pre-approval o A summary of for the fund fiscal year within all such services and a specified dollar limit related fees (including comparison to specified dollar limits) reported quarterly. o Specific approval is needed to exceed the pre-approved dollar limits for these services (see general Audit Committee approval policy below for details on obtaining specific approvals) o Specific approval is needed to use the Fund's auditors for "Synergistic" or "Unique Qualifications" Other Services not denoted as pre-approved to the left, or to add a specific service subcategory as "pre-approved" ------------------------------------- --------------------------
SECTION III - POLICY DETAIL, CONTINUED ----------------------- ------------------------- ----------------------------------------------- SERVICE CATEGORY SERVICE CATEGORY SPECIFIC PROHIBITED SERVICE SUBCATEGORIES DESCRIPTION ----------------------- ------------------------- ----------------------------------------------- PROHIBITED SERVICES Services which result 1. Bookkeeping or other services in the auditors losing related to the accounting records or independence status financial statements of the audit under the Rule. client* 2. Financial information systems design and implementation* 3. Appraisal or valuation services, fairness* opinions, or contribution-in-kind reports 4. Actuarial services (i.e., setting actuarial reserves versus actuarial audit work)* 5. Internal audit outsourcing services* 6. Management functions or human resources 7. Broker or dealer, investment advisor, or investment banking services 8. Legal services and expert services unrelated to the audit 9. Any other service that the Public Company Accounting Oversight Board determines, by regulation, is impermissible ----------------------- ------------------------- ----------------------------------------------- ------------------------------------------- ------------------------------ AUDIT COMMITTEE APPROVAL POLICY AUDIT COMMITTEE REPORTING POLICY ------------------------------------------- ------------------------------ o These services are not to be o A summary of all performed with the exception of the(*) services and related services that may be permitted fees reported at each if they would not be subject to audit regularly scheduled procedures at the audit client (as Audit Committee meeting defined in rule 2-01(f)(4)) level will serve as continual the firm providing the service. confirmation that has not provided any restricted services. ------------------------------------------- ------------------------------
-------------------------------------------------------------------------------- GENERAL AUDIT COMMITTEE APPROVAL POLICY: o For all projects, the officers of the Funds and the Fund's auditors will each make an assessment to determine that any proposed projects will not impair independence. o Potential services will be classified into the four non-restricted service categories and the "Approval of Audit, Audit-Related, Tax and Other Services" Policy above will be applied. Any services outside the specific pre-approved service subcategories set forth above must be specifically approved by the Audit Committee. o At least quarterly, the Audit Committee shall review a report summarizing the services by service category, including fees, provided by the Audit firm as set forth in the above policy. -------------------------------------------------------------------------------- (2) Disclose the percentage of services described in each of paragraphs (b) through (d) of this Item that were approved by the audit committee pursuant to paragraph (c)(7)(i)(C) of Rule 2-01 of Regulation S-X. Non-Audit Services Beginning with non-audit service contracts entered into on or after May 6, 2003, the effective date of the new SEC pre-approval rules, the Fund's audit committee is required to pre-approve services to affiliates defined by SEC rules to the extent that the services are determined to have a direct impact on the operations or financial reporting of the Fund. For the years ended October 31 2017 and 2016, there were no services provided to an affiliate that required the Fund's audit committee pre-approval. (f) If greater than 50 percent, disclose the percentage of hours expended on the principal accountants engagement to audit the registrant's financial statements for the most recent fiscal year that were attributed to work performed by persons other than the principal accountant's full-time, permanent employees. N/A (g) Disclose the aggregate non-audit fees billed by the registrants accountant for services rendered to the registrant, and rendered to the registrants investment adviser (not including any sub-adviser whose role is primarily portfolio management and is subcontracted with or overseen by another investment adviser), and any entity controlling, controlled by, or under common control with the adviser that provides ongoing services to the registrant for each of the last two fiscal years of the registrant. The aggregate non-audit fees for the Fund were $8,028 payable to Ernst & Young LLP for the year ended October 31, 2017 and $8,778 to Deloitte & Touche LLP for the year ended October 31, 2016. (h) Disclose whether the registrants audit committee of the board of trustees has considered whether the provision of non-audit services that were rendered to the registrants investment adviser (not including any subadviser whose role is primarily portfolio management and is subcontracted with or overseen by another investment adviser), and any entity controlling, controlled by, or under common control with the investment adviser that provides ongoing services to the registrant that were not pre-approved pursuant to paragraph (c)(7)(ii) of Rule 2-01 of Regulation S-X is compatible with maintaining the principal accountant's independence. The Fund's audit committee of the Board of Trustees has considered whether the provision of non-audit services that were rendered to the Affiliates (as defined) that were not pre- approved pursuant to paragraph (c)(7)(ii) of Rule 2-01 of Regulation S-X is compatible with maintaining the principal accountant's independence. ITEM 5. AUDIT COMMITTEE OF LISTED REGISTRANTS (a) If the registrant is a listed issuer as defined in Rule 10A-3 under the Exchange Act (17 CFR 240.10A-3), state whether or not the registrant has a separately-designated standing audit committee established in accordance with Section 3(a)(58)(A) of the Exchange Act (15 U.S.C. 78c(a)(58)(A)). If the registrant has such a committee, however designated, identify each committee member. If the entire board of directors is acting as the registrant's audit committee as specified in Section 3(a)(58)(B) of the Exchange Act (15 U.S.C. 78c(a)(58)(B)), so state. N/A (b) If applicable, provide the disclosure required by Rule 10A-3(d) under the Exchange Act (17 CFR 240.10A-3(d)) regarding an exemption from the listing standards for audit committees. N/A ITEM 6. SCHEDULE OF INVESTMENTS. File Schedule of Investments in securities of unaffiliated issuers as of the close of the reporting period as set forth in 210.1212 of Regulation S-X [17 CFR 210.12-12], unless the schedule is included as part of the report to shareholders filed under Item 1 of this Form. Included in Item 1 ITEM 7. DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR CLOSED-END MANAGEMENT INVESTMENT COMPANIES. A closed-end management investment company that is filing an annual report on this Form N-CSR must, unless it invests exclusively in non-voting securities, describe the policies and procedures that it uses to determine how to vote proxies relating to portfolio securities, including the procedures that the company uses when a vote presents a conflict between the interests of its shareholders, on the one hand, and those of the company's investment adviser; principal underwriter; or any affiliated person (as defined in Section 2(a)(3) of the Investment Company Act of 1940 (15 U.S.C. 80a-2(a)(3)) and the rules thereunder) of the company, its investment adviser, or its principal underwriter, on the other. Include any policies and procedures of the company's investment adviser, or any other third party, that the company uses, or that are used on the company's behalf, to determine how to vote proxies relating to portfolio securities. Not applicable to open-end management investment companies. ITEM 8. PORTFOLIO MANAGERS OF CLOSED-END MANAGEMENT INVESTMENT COMPANIES. (a) If the registrant is a closed-end management investment company that is filing an annual report on this Form N-CSR,provide the following information: (1) State the name, title, and length of service of the person or persons employed by or associated with the registrant or an investment adviser of the registrant who are primarily responsible for the day-to-day management of the registrant's portfolio ("Portfolio Manager"). Also state each Portfolio Manager's business experience during the past 5 years. Not applicable to open-end management investment companies. ITEM 9. PURCHASES OF EQUITY SECURITIES BY CLOSED-END MANAGEMENT INVESTMENT COMPANY AND AFFILIATED PURCHASERS. (a) If the registrant is a closed-end management investment company, in the following tabular format, provide the information specified in paragraph (b) of this Item with respect to any purchase made by or on behalf of the registrant or any affiliated purchaser, as defined in Rule 10b-18(a)(3) under the Exchange Act (17 CFR 240.10b-18(a)(3)), of shares or other units of any class of the registrant's equity securities that is registered by the registrant pursuant to Section 12 of the Exchange Act (15 U.S.C. 781). Not applicable to open-end management investment companies. ITEM 10. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS. Describe any material changes to the procedures by which shareholders may recommend nominees to the registrant's board of directors, where those changes were implemented after the registrant last provided disclosure in response to the requirements of Item 407(c)(2)(iv) of Regulation S-R(17 CFR 229.407)(as required by Item 22(b)(15)) of Schedule 14A (17 CFR 240.14a-101), or this Item. There have been no material changes to the procedures by which the shareholders may recommend nominees to the registrant's board of directors since the registrant last provided disclosure in response to the requirements of Item 407(c)(2)(iv) of Regulation S-R of Schedule 14(A) in its definitive proxy statement, or this item. ITEM 11. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive and principal financials officers, or persons performing similar functions, regarding the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) as of a date within 90 days of the filing date of the report that includes the disclosure required by this paragraph, based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the Act (17 CFR 270.30(a)-3(b) and Rules 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR 240.13a-15(b) or 240.15d-15(b)). The registrant's principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures are effective based on the evaluation of these controls and procedures as of a date within 90 days of the filing date of this report. (b) Disclose any change in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the Act (17CFR 270.30a-3(d)) that occured during the second fiscal quarter of the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There were no significant changes in the registrant's internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. The registrant's principal executive officer and principal financial officer, however, voluntarily are reporting the following information: In August of 2006 the registrant's investment adviser enhanced its internal procedures for reporting performance information required to be included in prospectuses. Those enhancements involved additional internal controls over the appropriateness of performance data generated for this purpose. Such enhancements were made following an internal review which identified prospectuses relating to certain classes of shares of a limited number of registrants where, inadvertently, performance information not reflecting the deduction of applicable sales charges was included. Those prospectuses were revised, and the revised prospectuses were distributed to shareholders. ITEM 12. EXHIBITS. (a) File the exhibits listed below as part of this Form. Letter or number the exhibits in the sequence indicated. (1) Any code of ethics, or amendment thereto, that is the subject of the disclosure required by Item 2, to the extent that the registrant intends to satisfy the Item 2 requirements through filing of an exhibit. (2) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the Act (17 CFR 270.30a-2(a)) , exactly as set forth below: Filed herewith. SIGNATURES [See General Instruction F] Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer Mid Cap Value Fund By (Signature and Title)* /s/ Lisa M. Jones Lisa M. Jones, President & Chief Executive Officer Date December 29, 2017 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ Lisa M. Jones Lisa M. Jones, President & Chief Executive Officer Date December 29, 2017 By (Signature and Title)* /s/ Mark E. Bradley Mark E. Bradley, Treasurer & Chief Accounting & Financial Officer Date December 29, 2017 * Print the name and title of each signing officer under his or her signature.
CERTIFICATIONS
                                 --------------


I, Lisa M. Jones, certify that:

1. I have reviewed this report on Form N-CSR of Pioneer Mid Cap 
Value Fund;

2. Based on my knowledge, this report does not contain any untrue 
statement of a material fact or omit to state a material fact 
necessary to make the statements made, in light of the circumstances 
under which such statements were made, not misleading with respect 
to the period covered by this report;

3. Based on my knowledge, the financial statements, and other 
financial information included in this report, fairly present in all 
material respects the financial condition, results of operations, 
changes in net assets, and cash flows (if the financial statements are 
required to include a statement of cash flows) of the registrant as of, 
and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for 
establishing and maintaining disclosure controls and procedures (as 
defined in Rule 30a-3(c) under the Investment Company Act of 
1940) and internal control over financial reporting (as defined in 
Rule 30a-3(d) under the Investment Company Act of 1940) for the 
registrant and have:

   a) Designed such disclosure controls and procedures, or caused 
such disclosure controls and procedures to be designed under our 
supervision, to ensure that material information relating to the 
registrant, including its consolidated subsidiaries, is made known to 
us by others within those entities, particularly during the period in 
which this report is being prepared;
   b) Designed such internal control over financial reporting, or 
caused such internal control over financial reporting to be designed 
under our supervision, to provide reasonable assurance regarding the 
reliability of financial reporting and the preparation of financial 
statements for external in accordance with generally accepted 
accounting principles;
   c) Evaluated the effectiveness of the registrant's disclosure controls 
and procedures and presented in this report our conclusions about the 
effectiveness of the disclosure controls and procedures, as of a date 
within 90 days prior to the filing date of this report based on such 
evaluation; and
   d) Disclosed in this report any change in the registrant's internal 
control over financial reporting that occurred during the second 
fiscal quarter of the period covered by this report that has materially 
affected, or is reasonably likely to materially affect, the registrant's 
internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed to the 
registrant's auditors and the audit committee of the registrant's board 
of directors (or persons performing the equivalent functions):

 a) All significant deficiencies in the design or operation of internal 
controls over financial reporting which are reasonably likely to 
adversely affect the registrant's ability to record, process, summarize, 
and report financial information; and
 b) Any fraud, whether or not material, that involves management or 
other employees who have a significant role in the registrant's 
internal control over financial reporting.



Date:  December 29, 2017  			/s/ Lisa M. Jones
                                                  Lisa M. Jones
                                                  President and Chief
                                                  Executive Officer





                                 CERTIFICATIONS
                                 --------------


I, Mark E. Bradley, certify that:

1. I have reviewed this report on Form N-CSR of Pioneer Mid Cap 
Value Fund;

2. Based on my knowledge, this report does not contain any untrue 
statement of a material fact or omit to state a material fact 
necessary to make the statements made, in light of the circumstances 
under which such statements were made, not misleading with respect 
to the period covered by this report;

3. Based on my knowledge, the financial statements, and other 
financial information included in this report, fairly present in all 
material respects the financial condition, results of operations, 
changes in net assets, and cash flows (if the financial statements are 
required to include a statement of cash flows) of the registrant as of, 
and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for 
establishing and maintaining disclosure controls and procedures (as 
defined in Rule 30a-3(c) under the Investment Company Act of 
1940) and internal control over financial reporting (as defined in 
Rule 30a-3(d) under the Investment Company Act of 1940) for the 
registrant and have:

      a) Designed such disclosure controls and procedures, or caused 
such disclosure controls and procedures to be designed under our 
supervision, to ensure that material information relating to the 
registrant, including its consolidated subsidiaries, is made known to 
us by others within those entities, particularly during the period in 
which this report is being prepared;
   b) Designed such internal control over financial reporting, or 
caused such internal control over financial reporting to be designed 
under our supervision, to provide reasonable assurance regarding the 
reliability of financial reporting and the preparation of financial 
statements for external in accordance with generally accepted 
accounting principles;
   c) Evaluated the effectiveness of the registrant's disclosure controls 
and procedures and presented in this report our conclusions about the 
effectiveness of the disclosure controls and procedures, as of a date 
within 90 days prior to the filing date of this report based on such 
evaluation; and
   d) Disclosed in this report any change in the registrant's internal 
control over financial reporting that occurred during the second 
fiscal quarter of the period covered by this report that has materially 
affected, or is reasonably likely to materially affect, the registrant's 
internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed to the 
registrant's auditors and the audit committee of the registrant's board 
of directors (or persons performing the equivalent functions):

 a) All significant deficiencies in the design or operation of internal 
controls over financial reporting which are reasonably likely to 
adversely affect the registrant's ability to record, process, summarize, 
and report financial information; and
 b) Any fraud, whether or not material, that involves management or 
other employees who have a significant role in the registrant's 
internal control over financial reporting.


Date:  December 29, 2017     	       		  /s/ Mark E. Bradley
                                                  Mark E. Bradley
                         		Treasurer & Chief Accounting 
					& Financial Officer





                            SECTION 906 CERTIFICATION


Pursuant to 18 U.S.C. ss. 1350, the undersigned officer of Pioneer Mid 
Cap Value Fund (the "Fund"), hereby certifies, to the best of 
his knowledge, that the Fund's Report on Form N-CSR for the period 
ended October 31, 2017 (the "Report") fully complies with the requirements 
of Section 13 (a) or 15 (d), as applicable, of the Securities Exchange Act 
of 1934 and that the information contained in the Report fairly presents, 
in all material respects, the financial condition and results of 
operations of the Fund.


Dated: December 29, 2017



/s/ Lisa M. Jones
Lisa M. Jones
President and Chief Executive Officer


This certification is being furnished solely pursuant to 18 U.S.C. ss. 1350 
and is not being filed as part of the Report or a separate disclosure document.

A signed original of this written statement required by section 906 has been
provided to the Fund and will be retained by the Fund and furnished to the SEC
or its staff upon request.




                            SECTION 906 CERTIFICATION


Pursuant to 18 U.S.C. ss. 1350, the undersigned officer of Pioneer Mid Cap 
Value Fund (the "Fund"), hereby certifies, to the best of 
his knowledge, that the Fund's Report on Form N-CSR for the period 
ended October 31, 2017 (the "Report") fully complies with the requirements 
of Section 13 (a) or 15 (d), as applicable, of the Securities Exchange Act 
of 1934 and that the information contained in the Report fairly presents, 
in all material respects, the financial condition and results of 
operations of the Fund.


Dated: December 29, 2017



/s/ Mark E. Bradley
Mark E. Bradley
Treasurer & Chief Accounting & Financial Officer


This certification is being furnished solely pursuant to 18 U.S.C. ss. 1350 and
is not being filed as part of the Report or a separate disclosure document.

A signed original of this written statement required by section 906 has been
provided to the Fund and will be retained by the Fund and furnished to the SEC
or its staff upon request.




                                CODE OF ETHICS

                                      FOR

                                SENIOR OFFICERS

POLICY

   This Code of Ethics for Senior Officers (this "Code") sets forth the
   policies, practices and values expected to be exhibited by Senior Officers
   of the Pioneer Funds (collectively, the "Funds" and each, a "Fund"). This
   Code does not apply generally to officers and employees of service providers
   to the Funds, including Pioneer Investment Management, Inc. ("Pioneer"),
   unless such officers and employees are also Senior Officers.

   The term "Senior Officers" shall mean the principal executive officer,
   principal financial officer, principal accounting officer and controller of
   the Funds, although one person may occupy more than one such office. Each
   Senior Officer is identified by title in Exhibit A to this Code.

   The Chief Compliance Officer ("CCO") of the Pioneer Funds is primarily
   responsible for implementing and monitoring compliance with this Code,
   subject to the overall supervision of the Board of Trustees of the Funds
   (the "Board"). The CCO has the authority to interpret this Code and its
   applicability to particular situations. Any questions about this Code should
   be directed to the CCO or his or her designee.

PURPOSE

   The purposes of this Code are to:

       .  Promote honest and ethical conduct, including the ethical handling of
          actual or apparent conflicts of interest between personal and
          professional relationships;

       .  Promote full, fair, accurate, timely and understandable disclosure in
          reports and documents that the Fund files with, or submits to, the
          Securities and Exchange Commission ("SEC") and in other public
          communications made by the Fund;

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                                      1          Last revised January 17, 2014



       .  Promote compliance with applicable laws and governmental rules and
          regulations;

       .  Promote the prompt internal reporting of violations of the Code to an
          appropriate person or persons identified in the Code; and

       .  Establish accountability for adherence to the Code.

   Each Senior Officer should adhere to a high standard of business ethics and
   should be sensitive to situations that may give rise to actual as well as
   apparent conflicts of interest.

RESPONSIBILITIES OF SENIOR OFFICERS

Conflicts of Interest

   A "conflict of interest" occurs when a Senior Officer's private interests
   interfere in any way - or even appear to interfere - with the interests of
   or his/her service to a Fund. A conflict can arise when a Senior Officer
   takes actions or has interests that may make it difficult to perform his or
   her Fund work objectively and effectively. Conflicts of interest also arise
   when a Senior Officer or a member of his/her family receives improper
   personal benefits as a result of the Senior Officer's position with the Fund.

   Certain conflicts of interest arise out of the relationships between Senior
   Officers and the Fund and already are subject to conflict of interest
   provisions in the Investment Company Act of 1940, as amended (the "ICA"),
   and the Investment Advisers Act of 1940, as amended (the "IAA"). For
   example, Senior Officers may not individually engage in certain transactions
   (such as the purchase or sale of securities or other property) with the
   Funds because of their status as "affiliated persons" of the Funds. The
   Fund's and Pioneer's compliance programs and procedures are designed to
   prevent, or identify and correct, violations of these provisions. This Code
   does not, and is not intended to, repeat or replace such policies and
   procedures, and such conflicts fall outside of the parameters of this Code.

   Although typically not presenting an opportunity for improper personal
   benefit, conflicts arise as a result of the contractual relationship between
   the Fund and Pioneer because the Senior Officers are officers or employees
   of both. As a result, this Code recognizes that Senior Officers will, in the
   normal course of their duties (whether formally for a Fund or for Pioneer,
   or for both), be involved in establishing policies and implementing
   decisions that will have different effects on Pioneer and the Fund. The
   participation of Senior Officers in such activities is inherent in the
   contractual relationship between a Fund and Pioneer and is consistent with
   the performance by the Senior Officers of their duties as officers of the
   Fund and, if addressed in conformity with the provisions of the ICA and the
   IAA, will be deemed to have been handled ethically. In addition, it is
   recognized by the Board that Senior Officers may also be officers of
   investment companies other than the Pioneer Funds.

   Other conflicts of interest are covered by this Code, even if such conflicts
   of interest are not subject to provisions of the ICA or the IAA. In reading
   the following examples of conflicts of interest under this Code, Senior
   Officers should keep in mind that such a list cannot ever be exhaustive or
   cover every possible

-------------------------------------------------------------------------------
                                      2          Last revised January 17, 2014



   scenario. It follows that the overarching principle is that the personal
   interest of a Senior Officer should not be placed improperly before the
   interest of a Fund.

   Each Senior Officer must:

       .  Not use his or her personal influence or personal relationships
          improperly to influence investment decisions or financial reporting
          by a Fund whereby the Senior Officer would benefit personally to the
          detriment of the Fund;

       .  Not cause a Fund to take action, or fail to take action, for the
          individual personal benefit of the Senior Officer rather than the
          benefit of the Fund; and

       .  Report at least annually any affiliations or other relationships that
          give rise to conflicts of interest.

   Any material conflict of interest situation should be approved by the CCO,
   his or her designee or the Board. Examples of these include:

       .  Service as a director on the board of any public or private company;

       .  The receipt of any gift with a value in excess of an amount
          established from time to time by Pioneer's Business Gift and
          Entertainment Policy from any single non-relative person or entity.
          Customary business lunches, dinners and entertainment at which both
          the Senior Officer and the giver are present, and promotional items
          of insignificant value are exempt from this prohibition;

       .  The receipt of any entertainment from any company with which a Fund
          has current or prospective business dealings unless such
          entertainment is business-related, reasonable in cost, appropriate as
          to time and place, and not so frequent as to raise any question of
          impropriety;

       .  Any ownership interest in, or any consulting or employment
          relationship with, any of a Fund's service providers other than its
          investment adviser, principal underwriter, administrator or any
          affiliated person thereof; and

       .  A direct or indirect financial interest in commissions, transaction
          charges or spreads paid by a Fund for effecting portfolio
          transactions or for selling or redeeming shares other than an
          interest arising from the Senior Officer's employment, such as
          compensation or equity ownership.

-------------------------------------------------------------------------------
                                      3          Last revised January 17, 2014



Corporate Opportunities

   Senior Officers may not (a) take for themselves personally opportunities
   that are discovered through the use of a Fund's property, information or
   position; (b) use a Fund's property, information, or position for personal
   gain; or (c) compete with a Fund. Senior Officers owe a duty to the Funds to
   advance their legitimate interests when the opportunity to do so arises.

Confidentiality

   Senior Officers should maintain the confidentiality of information entrusted
   to them by the Funds, except when disclosure is authorized or legally
   mandated. Confidential information includes all non-public information that
   might be of use to competitors, or harmful to the Funds, if disclosed.

Fair dealing with Fund shareholders, suppliers, and competitors

   Senior Officers should endeavor to deal fairly with the Funds' shareholders,
   suppliers, and competitors. Senior Officers should not take unfair advantage
   of anyone through manipulation, concealment, abuse of privileged
   information, misrepresentation of material facts, or any other
   unfair-dealing practice. Senior Officers should not knowingly misrepresent
   or cause others to misrepresent facts about a Fund to others, whether within
   or outside the Fund, including to the Board, the Funds' auditors or to
   governmental regulators and self-regulatory organizations.

Compliance with Law

   Each Senior Officer must not knowingly violate any law, rule and regulation
   applicable to his or her activities as an officer of the Funds. In addition,
   Senior Officers are responsible for understanding and promoting compliance
   with the laws, rules and regulations applicable to his or her particular
   position and by persons under the Senior Officer's supervision. Senior
   Officers should endeavor to comply not only with the letter of the law, but
   also with the spirit of the law.

Disclosure

   Each Senior Officer should familiarize himself or herself with the
   disclosure requirements generally applicable to the Funds. Each Senior
   Officer should, to the extent appropriate within his or her area of
   responsibility, consult with other officers of the Funds and Pioneer with
   the goal of promoting full, fair, accurate, timely and understandable
   disclosure in the reports and documents a Fund files with, or submits to,
   the SEC and in other public communications made by the Funds.

INITIAL AND ANNUAL CERTIFICATIONS

   Upon becoming a Senior Officer the Senior Officer is required to certify
   that he or she has received, read, and understands this Code. On an annual
   basis, each Senior Officer must certify that he or she has complied with all
   of the applicable requirements of this Code.

-------------------------------------------------------------------------------
                                      4          Last revised January 17, 2014



ADMINISTRATION AND ENFORCEMENT OF THE CODE

Report of Violations

   Pioneer relies on each Senior Officer to report promptly if he or she knows
   of any conduct by a Senior Officer in violation of this Code. All violations
   or suspected violations of this Code must be reported to the CCO or a member
   of Pioneer's Legal and Compliance Department. Failure to do so is itself a
   violation of this Code.

Investigation of Violations

   Upon notification of a violation or suspected violation, the CCO or other
   members of Pioneer's Compliance Department will take all appropriate action
   to investigate the potential violation reported. If, after such
   investigation, the CCO believes that no violation has occurred, the CCO and
   Compliance Department is not required to take no further action. Any matter
   the CCO believes is a violation will be reported to the Independent
   Trustees. If the Independent Trustees concur that a violation has occurred,
   they will inform and make a recommendation to the full Board. The Board
   shall be responsible for determining appropriate action. The Funds, their
   officers and employees, will not retaliate against any Senior Officer for
   reports of potential violations that are made in good faith and without
   malicious intent.

   The CCO or his or her designee is responsible for applying this Code to
   specific situations in which questions are presented under it and has the
   authority to interpret this Code in any particular situation. The CCO or his
   or her designee shall make inquiries regarding any potential conflict of
   interest.

Violations and Sanctions

   Compliance with this Code is expected and violations of its provisions will
   be taken seriously and could result in disciplinary action. In response to
   violations of the Code, the Board may impose such sanctions as it deems
   appropriate within the scope of its authority over Senior Officers,
   including termination as an officer of the Funds.

Waivers from the Code

   The Independent Trustees will consider any approval or waiver sought by any
   Senior Officer.

   The Independent Trustees will be responsible for granting waivers, as
   appropriate. Any change to or waiver of this Code will, to the extent
   required, be disclosed as provided by SEC rules.

OTHER POLICIES AND PROCEDURES

   This Code shall be the sole Code of Ethics adopted by the Funds for purposes
   of Section 406 of the Sarbanes-Oxley Act and the rules and forms applicable
   to registered investment companies thereunder. The Funds', Pioneer's, and
   Pioneer Funds Distributor, Inc.'s Codes of Ethics under Rule 17j-1 under the
   ICA and Rule 204A-1 of the IAA are separate requirements applying to the
   Senior Officers and others, and are not a part of this Code. To the extent
   any other policies and procedures of the Funds, Pioneer or Pioneer

-------------------------------------------------------------------------------
                                      5          Last revised January 17, 2014



   Fund Distributor, Inc. overlap or conflict with the provisions of the this
   Code, they are superseded by this Code.

SCOPE OF RESPONSIBILITIES

   A Senior Officer's responsibilities under this Code are limited to Fund
   matters over which the Senior Officer has direct responsibility or control,
   matters in which the Senior Officer routinely participates, and matters with
   which the Senior Officer is otherwise involved. In addition, a Senior
   Officer is responsible for matters of which the Senior Officer has actual
   knowledge.

AMENDMENTS

   This Code other than Exhibit A may not be amended except in a writing that
   is specifically approved or ratified by a majority vote of the Board,
   including a majority of the Independent Trustees.

CONFIDENTIALITY

   All reports and records prepared or maintained pursuant to this Code will be
   considered confidential and shall be maintained and protected accordingly.
   Except as otherwise required by law or this Code, such matters shall not be
   disclosed to anyone other than the Board and their counsel or to Pioneer's
   Legal and Compliance Department.

INTERNAL USE

   This Code is intended solely for the internal use by the Funds and does not
   constitute an admission, by or on behalf of any Fund, as to any fact,
   circumstance, or legal conclusion.

-------------------------------------------------------------------------------
                                      6          Last revised January 17, 2014



EXHIBIT A - SENIOR OFFICERS OF THE PIONEER FUNDS 

   President (Principal Executive Officer)

   Treasurer (Principal Financial Officer)

Code of Ethics for Senior Officers
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