Form 485APOS FIDELITY HEREFORD STREET

November 27, 2024 10:40 AM EST



Securities Act of 1933 Registration No. 033-52577

Investment Company Act of 1940 Registration No. 811-07139


SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 [X]

[ ] Pre-Effective Amendment No.  ______

[X] Post-Effective Amendment No.  __71___

and

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 [X]

[X] Amendment No.  __71___


Fidelity Hereford Street Trust

 (Exact Name of Registrant as Specified in Charter)


245 Summer Street, Boston, Massachusetts 02210

(Address of Principal Executive Offices)(Zip Code)

Registrant’s Telephone Number: 617-563-7000

Nicole Macarchuk, Secretary and Chief Legal Officer

245 Summer Street

Boston, Massachusetts 02210

(Name and Address of Agent for Service)


It is proposed that this filing will become effective on January 27, 2025 pursuant to paragraph (a)(1) of Rule 485 at 5:30 p.m. Eastern Time.








ProspectusCoverMaster

 
SUBJECT TO COMPLETION. PRELIMINARY PROSPECTUS DATED NOVEMBER 27, 2024. The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.
 
 
Fidelity® Treasury Only Money Market Fund
Class/Ticker
OUS/[_____]
In this prospectus, the term "shares" (as it relates to the fund) means the class of shares offered through this prospectus.
Shares are offered only to certain Stock Plan Services accounts.
 
Prospectus
[________, YYYY]
 
 
 
Like securities of all mutual funds, these securities have not been approved or disapproved by the Securities and Exchange Commission, and the Securities and Exchange Commission has not determined if this prospectus is accurate or complete. Any representation to the contrary is a criminal offense.
245 Summer Street, Boston, MA 02210
 
 
 
 

Contents

Fund Summary

Fidelity® Treasury Only Money Market Fund 

Fund Basics

Investment Details

Valuing Shares

Shareholder Information

Additional Information about the Purchase and Sale of Shares

Features and Policies

Dividends and Capital Gain Distributions

Tax Consequences

Fund Services

Fund Management

Fund Distribution

Appendix

Financial Highlights

 
Fund Summary
Fund/Class:
Fidelity® Treasury Only Money Market Fund
/OUS 
 
Investment Objective
 
Fidelity® Treasury Only Money Market Fund seeks as high a level of current income as is consistent with the security of principal and liquidity.
Fee Table
The following table describes the fees and expenses that may be incurred when you buy, hold, and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
 
 
Shareholder fees
(fees paid directly from your investment)
None
 
Annual Operating Expenses
(expenses that you pay each year as a % of the value of your investment)
Management fee
0.37%   
Distribution and/or Service (12b-1) fees
None   
Other expenses
0.00%   A
Total annual operating expenses
0.37%   
ABased on estimated amounts for the current fiscal year.
This example helps compare the cost of investing in the fund with the cost of investing in other funds.
Let's say, hypothetically, that the annual return for shares of the fund is 5% and that the fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated:
 
 
1 year
$
38
3 years
$
119
5 years
$
208
10 years
$
468
 
 
 
Principal Investment Strategies
  • Normally investing at least 99.5% of total assets in cash and U.S. Treasury securities.
  • Normally investing in securities whose interest is exempt from state and local income taxes.
  • Investing in compliance with industry-standard regulatory requirements for money market funds for the quality, maturity, liquidity, and diversification of investments.
  • In addition, the fund normally invests at least 80% of its assets in U.S. Treasury securities.
Principal Investment Risks
  • Interest Rate Changes.
Interest rate increases can cause the price of a money market security to decrease.
  • Income Risk.
A low or negative interest rate environment can adversely affect the fund's yield.
  • Issuer-Specific Changes.
A decline in the credit quality of an issuer can cause the price of a money market security to decrease.
You could lose money by investing in the fund. Although the fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the fund is not a bank account and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.  Fidelity Investments and its affiliates, the fund's sponsor, is not required to reimburse the fund for losses, and you should not expect that the sponsor will provide financial support to the fund at any time, including during periods of market stress.
The fund will not impose a fee upon the sale of your shares.
Performance
The following information is intended to help you understand the risks of investing in the fund.
The information illustrates the changes in the performance of Fidelity® Treasury Only Money Market Fund, a class of shares of the fund, from year to year. Past performance is not an indication of future performance.
Visit www.fidelity.com for more recent performance information for Fidelity® Treasury Only Money Market Fund, a class of shares of the fund.
Performance history will be available at www.netbenefits.com for Class OUS after Class OUS has been in operation for one calendar year.
 
Year-by-Year Returns*
 
 
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
 
0.01%
 
0.01%
 
0.01%
 
0.47%
 
1.47%
 
1.81%
 
0.26%
 
0.01%
 
1.26%
 
4.65%
 
During the periods shown in the chart for Fidelity® Treasury Only Money Market Fund:
Returns
Quarter ended
   Highest Quarter Return
1.27%
December 31, 2023
   Lowest Quarter Return
0.00%
March 31, 2022
   Year-to-Date Return
3.76%
September 30, 2024
 
* The returns shown above are for Fidelity® Treasury Only Money Market Fund, a class of shares of the fund that is not offered through this prospectus. Class OUS would have substantially similar annual returns to Fidelity® Treasury Only Money Market Fund because the classes are invested in the same portfolio of securities. Class OUS's returns would differ from Fidelity® Treasury Only Money Market Fund's returns only to the extent that the classes do not have the same expenses.
 
Average Annual Returns*
 
 
 
For the periods ended December 31, 2023
Past 1
year
Past 5
years
Past 10
years
Fidelity® Treasury Only Money Market Fund
4.65%
1.58%
0.99%
 
 
 
 
 
* The returns shown above are for Fidelity® Treasury Only Money Market Fund, a class of shares of the fund that is not offered through this prospectus. Class OUS would have substantially similar annual returns to Fidelity® Treasury Only Money Market Fund because the classes are invested in the same portfolio of securities. Class OUS's returns would differ from Fidelity® Treasury Only Money Market Fund's returns only to the extent that the classes do not have the same expenses.
Investment Adviser
Fidelity Management & Research Company LLC (FMR) (the Adviser) is the fund's manager. Other investment advisers serve as sub-advisers for the fund.
Purchase and Sale of Shares
Shares are offered only to certain Stock Plan Services accounts.
You may sell shares on www.netbenefits.com or through a representative. You may contact a representative by dialing the international access code followed by 800-544-0275 or go to https://fidelity.com/globalcall for phone numbers and dialing instructions.
The price to buy one share is its net asset value per share (NAV). Shares will be bought at the NAV next calculated after an order is received in proper form.
The price to sell one share is its NAV. Shares will be sold at the NAV next calculated after an order is received in proper form.
The fund is open for business each day the New York Stock Exchange (NYSE) is open.
Even if the NYSE is closed, the fund will be open for business on those days on which the Federal Reserve Bank of New York (New York Fed) is open, the primary trading markets for the fund's portfolio instruments are open, and the fund's management believes there is an adequate market to meet purchase and redemption requests.
There is no purchase minimum for shares of the fund offered in this prospectus.
Tax Information
Distributions you receive from the fund are subject to U.S. federal income tax and generally will be taxed as ordinary income or capital gains, and may also be subject to state or local taxes, unless you are investing through a tax-advantaged retirement account (in which case you may be taxed later, upon withdrawal of your investment from such account).
Payments to Broker-Dealers and Other Financial Intermediaries
The fund, the Adviser, Fidelity Distributors Company LLC (FDC), and/or their affiliates may pay intermediaries, which may include banks, broker-dealers, retirement plan sponsors, administrators, or service-providers (who may be affiliated with the Adviser or FDC), for the sale of fund shares and related services. These payments may create a conflict of interest by influencing your intermediary and your investment professional to recommend the fund over another investment. Ask your investment professional or visit your intermediary's web site for more information.
 
Fund Basics
Investment Details
 
Investment Objective
Fidelity® Treasury Only Money Market Fund seeks as high a level of current income as is consistent with the security of principal and liquidity.
Principal Investment Strategies
The Adviser normally invests at least 99.5% of the fund's total assets in cash and U.S. Treasury securities. The Adviser normally invests the fund's assets in securities whose interest is specifically exempt from state and local income taxes under federal law; such interest is not exempt from federal income tax.
In buying and selling securities for the fund, the Adviser complies with industry-standard regulatory requirements for money market funds regarding the quality, maturity, liquidity, and diversification of the fund's investments. The Adviser stresses maintaining a stable $1.00 share price, liquidity, and income.
In addition, the Adviser normally invests at least 80% of the fund's assets in U.S. Treasury securities.
Description of Principal Security Types
U.S. Government securities are high-quality securities issued or guaranteed by the U.S. Treasury or by an agency or instrumentality of the U.S. Government. U.S. Government securities may be backed by the full faith and credit of the U.S. Treasury, the right to borrow from the U.S. Treasury, or the agency or instrumentality issuing or guaranteeing the security.
Certain issuers of U.S. Government securities, including Fannie Mae, Freddie Mac, and the Federal Home Loan Banks, are sponsored or chartered by Congress but their securities are neither issued nor guaranteed by the U.S. Treasury.
Principal Investment Risks
Many factors affect the fund's performance. Developments that disrupt global economies and financial markets, such as pandemics and epidemics, may magnify factors that affect a fund's performance. The fund's yield will change daily based on changes in interest rates and other market conditions. Although the fund is managed to maintain a stable $1.00 share price, there is no guarantee that the fund will be able to do so. For example, a major increase in interest rates or a decrease in the credit quality of the issuer of one of the fund's investments could cause the fund's share price to decrease. It is important to note that neither share price nor yield is guaranteed by the U.S. Government.
The following factors can significantly affect the fund's performance:
Interest Rate Changes. Money market securities have varying levels of sensitivity to changes in interest rates. In general, the price of a money market security can fall when interest rates rise and can rise when interest rates fall. Securities with longer maturities and certain types of securities, such as the securities of issuers in the financial services sector, can be more sensitive to interest rate changes. Short-term securities tend to react to changes in short-term interest rates. In market environments where interest rates are rising, issuers may be less willing or able to make principal and/or interest payments on securities when due. Certain investments held by a fund may have relied on the London Interbank Offered Rate (LIBOR) (an indicative measure of the average interest rate at which major global banks could borrow from one another). As a result of benchmark reforms, publication of all LIBOR settings has ceased. Although the transition process away from certain benchmark rates, including LIBOR, for more instruments has been completed, any potential effects of the transition away from LIBOR and other benchmark rates on financial markets, a fund or the financial instruments in which a fund invests can be difficult to ascertain and may adversely impact a fund's performance.
Income Risk. The fund's income, or yield, is based on short-term interest rates, which can fluctuate significantly over short periods. A low or negative interest rate environment can adversely affect the fund's yield and, depending on its duration and severity, could prevent the fund from providing a positive yield and/or maintaining a stable $1.00 share price. In addition, the fund's yield will vary as the short-term securities in its portfolio mature and the proceeds are reinvested in securities with different interest rates. From time to time, the Adviser may reimburse expenses or waive fees for a class of a fund in order to avoid a negative yield, but there is no guarantee that the class or fund will be able to avoid a negative yield.
Issuer-Specific Changes. Changes in the financial condition of an issuer or counterparty, changes in specific economic or political conditions that affect a particular type of issuer, and changes in general economic or political conditions can increase the risk of default by an issuer or counterparty, which can affect a security's or instrument's credit quality or value.
In response to market, economic, political, or other conditions, a fund may temporarily use a different investment strategy (including leaving a significant portion of the fund's assets uninvested) for defensive purposes. Uninvested assets do not earn income for a fund, which may have a significant negative impact on the fund's yield and may prevent the fund from achieving its investment objective.
 
Fundamental Investment Policies
The following is fundamental, that is, subject to change only by shareholder approval:
Fidelity® Treasury Only Money Market Fund seeks as high a level of current income as is consistent with the security of principal and liquidity.
 
 
 
 
Shareholder Notice
The following is subject to change only upon 60 days' prior notice to shareholders:
Fidelity® Treasury Only Money Market Fund normally invests at least 99.5% of its total assets in cash and U.S. Treasury securities and at least 80% of its assets in U.S. Treasury securities.
Valuing Shares
 
The fund is open for business each day the NYSE is open.
Even if the NYSE is closed, a money market fund will be open for business on those days on which the New York Fed is open, the primary trading markets for the money market fund's portfolio instruments are open, and the money market fund's management believes there is an adequate market to meet purchase and redemption requests.
The NAV is the value of a single share. Fidelity normally calculates NAV as of the close of business of the NYSE, normally 4:00 p.m. Eastern time. The fund's assets normally are valued as of this time for the purpose of computing NAV. Fidelity calculates NAV separately for each class of shares of a multiple class fund.
NAV is not calculated and the fund will not process purchase and redemption requests submitted on days when the fund is not open for business. The time at which shares are priced and until which purchase and redemption orders are accepted may be changed as permitted by the Securities and Exchange Commission (SEC).
To the extent that the fund's assets are traded in other markets on days when the fund is not open for business, the value of the fund's assets may be affected on those days. In addition, trading in some of the fund's assets may not occur on days when the fund is open for business.
The fund's assets are valued on the basis of amortized cost.
 
Shareholder Information
Additional Information about the Purchase and Sale of Shares
 
As used in this prospectus, the term "shares" generally refers to the shares offered through this prospectus.
General Information
Certain methods of contacting Fidelity may be unavailable or delayed (for example, during periods of unusual market activity). In addition, the level and type of service available may be restricted. 
Frequent Purchases and Redemptions
The fund may reject for any reason, or cancel as permitted or required by law, any purchase orders, including transactions deemed to represent excessive trading, at any time. 
Excessive trading of fund shares can harm shareholders in various ways, including reducing the returns to long-term shareholders by increasing costs to the fund (such as spreads paid to dealers who sell money market instruments to a fund) and disrupting portfolio management strategies. 
The Adviser anticipates that shares of Fidelity® Treasury Only Money Market Fund will be purchased and sold frequently because a money market fund is designed to offer a liquid cash option. Accordingly, the Board of Trustees has not adopted policies and procedures designed to discourage excessive trading of fund shares and Fidelity® Treasury Only Money Market Fund accommodates frequent trading.  
Fidelity® Treasury Only Money Market Fund has no limit on purchase transactions but may in its discretion restrict, reject, or cancel any purchases that, in the Adviser's opinion, may be disruptive to the management of the fund or otherwise not be in the fund's interests. 
The fund reserves the right at any time to restrict purchases or impose conditions that are more restrictive on excessive trading than those stated in this prospectus.  
Shares of the fund offered through this prospectus have no exchange privilege with any other fund.
Buying Shares
Eligibility
Shares are offered only to certain Stock Plan Services accounts.
There is no minimum balance or purchase minimum for fund shares offered through this prospectus.
Price to Buy
The price to buy one share is its NAV. Shares are sold without a sales charge.
Shares will be bought at the NAV next calculated after an order is received in proper form.
The fund may stop offering shares completely or may offer shares only on a limited basis, for a period of time or permanently, including, if applicable, periods when redemptions are suspended.
Under applicable anti-money laundering rules and other regulations, purchase orders may be suspended, restricted, or canceled and the monies may be withheld.
Selling Shares
The price to sell one share is its NAV.
Shares will be sold at the NAV next calculated after an order is received in proper form.
Normally, redemptions will be processed by the next business day, but it may take up to seven days to pay the redemption proceeds if making immediate payment would adversely affect the fund.
See "Policies Concerning the Redemption of Fund Shares" below for additional redemption information.
When you place an order to sell shares, note the following:
  • Redemption proceeds may be delayed until money from prior purchases sufficient to cover your redemption has been received and collected.
  • Redemptions may be suspended or payment dates postponed when the NYSE is closed (other than weekends or holidays), when trading on the NYSE is restricted, or as permitted by the SEC.
  • Redemption proceeds may be paid in securities or other property rather than in cash if the Adviser determines it is in the best interests of the fund.
  • Under applicable anti-money laundering rules and other regulations, redemption requests may be suspended, restricted, canceled, or processed and the proceeds may be withheld.
  • The Board of Trustees may determine that it would not be in a fund's best interests to continue operating under circumstances listed in Rule 22e-3 under the Investment Company Act of 1940, at which point the fund may permanently suspend redemptions and liquidate.
Policies Concerning the Redemption of Fund Shares
A fund typically expects to pay redemption proceeds on the next business day (or earlier to the extent a fund offers a same day settlement feature) following receipt of a redemption order in proper form.
As noted elsewhere, payment of redemption proceeds may take longer than the time a fund typically expects and may take up to seven days from the date of receipt of the redemption order as permitted by applicable law.
Redemption Methods Available. Generally a fund expects to pay redemption proceeds in cash. To do so, a fund typically expects to satisfy redemption requests either by using available cash (or cash equivalents) or by selling portfolio securities. On a less regular basis, a fund may also satisfy redemption requests by utilizing one or more of the following sources, if permitted: borrowing from another Fidelity® fund; drawing on an available line or lines of credit from a bank or banks; or using reverse repurchase agreements (if authorized). These methods may be used during both normal and stressed market conditions.
In addition to paying redemption proceeds in cash, a fund reserves the right to pay part or all of your redemption proceeds in readily marketable securities instead of cash (redemption in-kind). Redemption in-kind proceeds will typically be made by delivering the selected securities to the redeeming shareholder within seven days after the receipt of the redemption order in proper form by a fund.
Features and Policies
 
Features
The following features may be available to sell shares of the fund or to move money from your account, if you are investing through a Stock Plan Services Account. Please visit www.netbenefits.com or contact a representative by dialing the international access code followed by 800-544-0275 or go to https://fidelity.com/globalcall for phone numbers and dialing instructions for more information.  
Wire: electronic money movement through the Federal Reserve wire system
 
  • To transfer money between a bank account and a Stock Plan Services Account. 
 
Policies
The following apply to you as a shareholder.
Statements that Fidelity sends to you, if applicable, include the following:
  • Confirmation statements (after transactions affecting your fund balance except, to the extent applicable, reinvestment of distributions in the fund, and certain transactions in a money market fund that are followed by a monthly account statement).
  • Monthly or quarterly account statements (detailing fund balances and all transactions completed during the prior month or quarter).
Current regulations allow Fidelity to send a single copy of shareholder documents for Fidelity® funds, such as prospectuses, annual and semi-annual reports, and proxy materials, to certain mutual fund customers whom we believe are members of the same family who share the same address. For certain types of accounts, we will not send multiple copies of these documents to you and members of your family who share the same address. Instead, we will send only a single copy of these documents. This will continue for as long as you are a shareholder, unless you notify us otherwise. If at any time you choose to receive individual copies of any documents, please contact a representative by dialing the international access code followed by 800-544-0275 or go to https://fidelity.com/globalcall for phone numbers and dialing instructions. We will begin sending individual copies to you within 30 days of receiving your call.
Electronic copies of most financial reports and prospectuses are available at www.netbenefits.com. To participate in Fidelity's electronic delivery program, please contact a representative or visit www.netbenefits.com for more information.
You may initiate many transactions by telephone or electronically. Fidelity will not be responsible for any loss, cost, expense, or other liability resulting from unauthorized transactions if it follows reasonable security procedures designed to verify the identity of the investor. Fidelity will request personalized security codes or other information, and may also record calls. For transactions conducted through the Internet, Fidelity recommends the use of an Internet browser with 128-bit encryption. You should verify the accuracy of your confirmation statements upon receipt and notify Fidelity immediately of any discrepancies in your account activity. If you do not want the ability to sell by telephone, call Fidelity for instructions.
You may be asked to provide additional information in order for Fidelity to verify your identity in accordance with requirements under anti-money laundering regulations. Accounts may be restricted and/or closed, and the monies withheld, pending verification of this information or as otherwise required under these and other federal regulations. In addition, the fund reserves the right to involuntarily redeem an account in the case of: (i) actual or suspected threatening conduct or actual or suspected fraudulent, illegal or suspicious activity by the account owner or any other individual associated with the account; or (ii) the failure of the account owner to provide information to the fund related to opening the accounts. Your shares will be sold at the NAV, minus any applicable shareholder fees, calculated on the day Fidelity closes your fund position.
Fidelity may charge a fee for certain services, such as providing historical account documents.
Dividends and Capital Gain Distributions
 
The fund earns interest, dividends, and other income from its investments, and distributes this income (less expenses) to shareholders as dividends. The fund may also realize capital gains from its investments, and distributes these gains (less losses), if any, to shareholders as capital gain distributions.
Distributions from a money market fund consist primarily of dividends. A money market fund normally declares dividends daily and pays them monthly.
Earning Dividends 
The fund processes purchase and redemption requests only on days it is open for business. 
Shares purchased by a wire order prior to 2:00 p.m. Eastern time, with receipt of the wire in proper form before the close of the Federal Reserve Wire System on that day, generally begin to earn dividends on the day of purchase.
Shares purchased by all other orders generally begin to earn dividends on the first business day following the day of purchase. 
Shares redeemed by a wire order prior to 2:00 p.m. Eastern time generally earn dividends through the day prior to the day of redemption.
Shares redeemed by all other orders generally earn dividends until, but not including, the next business day following the day of redemption. 
Money market funds that allow wire purchases reserve the right to change the time of day by which wire purchase and redemption orders for shares must be placed for purposes of earning dividends. 
Distribution Options 
When you open an account, specify how you want to receive your distributions. The following distribution options are available: 
  • 1. Reinvestment Option. 
Any dividends and capital gain distributions will be automatically reinvested in additional shares.
Tax Consequences
 
As with any investment, your investment in the fund could have tax consequences for you (for non-retirement accounts).
Distributions you receive from the fund are subject to federal income tax, and may also be subject to state or local taxes. A portion of the fund's dividends may be exempt from state and local taxation to the extent that they are derived from certain U.S. Government securities and meet certain requirements.
For federal tax purposes, certain distributions, including dividends and distributions of short-term capital gains, are taxable to you as ordinary income, while certain distributions, including distributions of long-term capital gains, if any, are taxable to you generally as capital gains. Because the fund's income is primarily derived from interest, dividends from the fund generally will not qualify for the long-term capital gains tax rates available to individuals. 
Any taxable distributions you receive from the fund will normally be taxable to you when you receive them, regardless of your distribution option.
If you are a non-U.S. shareholder, fund distributions allocable from U.S.-source interest income or from capital gains will generally be free from U.S. federal withholding tax, but dividends from other sources may be subject to U.S. withholding tax under applicable rules.
Fund Services
Fund Management
 
The fund is a mutual fund, an investment that pools shareholders' money and invests it toward a specified goal.
Adviser
FMR. The Adviser is the fund's manager. The address of the Adviser is 245 Summer Street, Boston, Massachusetts 02210.
As of December 31, 2023, the Adviser had approximately $3.9 trillion in discretionary assets under management, and approximately $4.9 trillion when combined with all of its affiliates' assets under management.
As the manager, the Adviser has overall responsibility for directing the fund's investments and handling its business affairs.
Sub-Adviser(s)
FMR Investment Management (UK) Limited (FMR UK), at 1 St. Martin's Le Grand, London, EC1A 4AS, United Kingdom, serves as a sub-adviser for the fund. As of December 31, 2023, FMR UK had approximately $14.6 billion in discretionary assets under management. FMR UK is an affiliate of the Adviser.
FMR UK may provide investment research and advice on issuers based outside the United States and may also provide investment advisory services for the fund.
Fidelity Management & Research (Hong Kong) Limited (FMR H.K.), at Floor 19, 41 Connaught Road Central, Hong Kong, serves as a sub-adviser for the fund. As of December 31, 2023, FMR H.K. had approximately $24.4 billion in discretionary assets under management. FMR H.K. is an affiliate of the Adviser.
FMR H.K. may provide investment research and advice on issuers based outside the United States and may also provide investment advisory services for the fund.
Fidelity Management & Research (Japan) Limited (FMR Japan), at Kamiyacho Prime Place, 1-17, Toranomon-4-Chome, Minato-ku, Tokyo, Japan, serves as a sub-adviser for the fund. As of March 31, 2024, FMR Japan had approximately $2.8 billion in discretionary assets under management. FMR Japan is an affiliate of the Adviser.
FMR Japan may provide investment research and advice on issuers based outside the United States and may also provide investment advisory services for the fund.
From time to time a manager, analyst, or other Fidelity employee may express views regarding a particular company, security, industry, or market sector. The views expressed by any such person are the views of only that individual as of the time expressed and do not necessarily represent the views of Fidelity or any other person in the Fidelity organization. Any such views are subject to change at any time based upon market or other conditions and Fidelity disclaims any responsibility to update such views. These views may not be relied on as investment advice and, because investment decisions for a fund are based on numerous factors, may not be relied on as an indication of trading intent on behalf of any fund. 
Advisory Fee(s)
Each class of the fund pays an all-inclusive management fee to the Adviser.
A different all-inclusive management fee rate is applicable to each class of the fund. The difference between classes is the result of separate arrangements for class level services and/or waivers of certain expenses. It is not the result of any difference in advisory or custodial fees or other expenses related to the management of the fund's assets, which do not vary by class.
The all-inclusive management fee is calculated and paid to the Adviser each month. Out of each class's all-inclusive management fee, the Adviser or an affiliate pays all expenses of managing and operating the fund, with limited exceptions.
The annual management fee rate, as a percentage of the class's average net assets, is shown in the following table:
Fund
Class OUS
Fidelity® Treasury Only Money Market Fund
0.37%
The Adviser pays FMR Investment Management (UK) Limited, Fidelity Management & Research (Hong Kong) Limited, and Fidelity Management & Research (Japan) Limited for providing sub-advisory services.
The basis for the Board of Trustees approving the management contract and sub-advisory agreements for the fund is available in the fund's Form N-CSRS report for the fiscal period ended October 31, 2024.
From time to time, the Adviser or its affiliates may agree to reimburse or waive certain fund expenses while retaining the ability to be repaid if expenses fall below the specified limit prior to the end of the fiscal year.
Reimbursement or waiver arrangements can decrease expenses and boost performance.
Fund Distribution
 
The fund is composed of multiple classes of shares. All classes of the fund have a common investment objective and investment portfolio.
FDC distributes Class OUS shares.
Intermediaries may receive from the Adviser, FDC, and/or their affiliates compensation for providing recordkeeping and administrative services, as well as other retirement plan expenses, and compensation for services intended to result in the sale of Class OUS shares.
These payments are described in more detail in this section and in the Statement of Additional Information (SAI).
Distribution and Service Plan(s)
Class OUS of the fund has adopted a Distribution and Service Plan pursuant to Rule 12b-1 under the Investment Company Act of 1940 (1940 Act) that recognizes that the Adviser may use its management fee revenues, as well as its past profits or its resources from any other source, to pay FDC for expenses incurred in connection with providing services intended to result in the sale of Class OUS shares and/or shareholder support services. The Adviser, directly or through FDC, may pay significant amounts to intermediaries that provide those services. Currently, the Board of Trustees of the fund has authorized such payments for Class OUS.
If payments made by the Adviser to FDC or to intermediaries under the Distribution and Service Plan were considered to be paid out of the class's assets on an ongoing basis, they might increase the cost of your investment and might cost you more than paying other types of sales charges.
No dealer, sales representative, or any other person has been authorized to give any information or to make any representations, other than those contained in this prospectus and in the related SAI, in connection with the offer contained in this prospectus. If given or made, such other information or representations must not be relied upon as having been authorized by the fund or FDC. This prospectus and the related SAI do not constitute an offer by the fund or by FDC to sell shares of the fund to, or to buy shares of the fund from, any person to whom it is unlawful to make such offer.
 
Appendix
Financial Highlights
 
 
Financial Highlights are intended to help you understand the financial history of fund shares for the past 5 years (or, if shorter, the period of operations). Certain information reflects financial results for a single share. The total returns in the table represent the rate that an investor would have earned (or lost) on an investment in shares (assuming reinvestment of all dividends and distributions). Because Class OUS shares have not commenced operations as of the end of the fund's fiscal year, financial highlights are not available. The annual information has been audited by [_____], independent registered public accounting firm, whose report, along with fund financial statements, is included in the annual report. Annual reports are available for free upon request.
 
 
 
Fidelity® Treasury Only Money Market Fund
 
Years ended April 30,
 
2024  
 
2023 
 
2022  
 
2021 
 
2020 
  Selected Per-Share Data 
 
 
 
 
 
 
 
 
 
 
  Net asset value, beginning of period
$
1.00
$
1.00
$
1.00
$
1.00
$
1.00
  Income from Investment Operations
 
 
 
 
 
 
 
 
 
 
     Net investment income (loss) A
 
.049
 
.026
 
- B
 
- B
 
.014
     Net realized and unrealized gain (loss) B
 
-
 
-
 
-
 
-
 
-
  Total from investment operations
 
.049  
 
.026  
 
- B 
 
- B 
 
.014
  Distributions from net investment income
 
(.049)
 
(.026)
 
- B
 
- B
 
(.014)
  Distributions from net realized gain
 
-
 
-
 
- B
 
-
 
-
     Total distributions
 
(.049)
 
(.026)
 
- B
 
- B
 
(.014)
  Net asset value, end of period
$
1.00
$
1.00
$
1.00
$
1.00
$
1.00
 Total Return C
 
4.96
%
 
 
2.62%
 
.01%
 
.01%
 
1.39%
 Ratios to Average Net Assets A,D,E
 
 
 
 
 
 
 
 
 
 
    Expenses before reductions
 
.42%
 
.42%
 
.42%
 
.42%
 
.42%
    Expenses net of fee waivers, if any
 
.42
%
 
 
.42%
 
.11%
 
.15%
 
.42%
    Expenses net of all reductions
 
.42%
 
.42%
 
.11%
 
.15%
 
.42%
    Net investment income (loss)
 
4.87%
 
2.60%
 
.01%
 
.01%
 
1.27%
 Supplemental Data
 
 
 
 
 
 
 
 
 
 
    Net assets, end of period (in millions)
$
5,349  
$
4,147
$
3,400
$
3,804
$
5,045
 
ANet investment income (loss) is affected by the timing of the declaration of dividends by any underlying mutual funds or exchange-traded funds (ETFs). Net investment income (loss) of any mutual funds or ETFs is not included in the Fund's net investment income (loss) ratio.
 
BAmount represents less than $.0005 per share.
 
CTotal returns would have been lower if certain expenses had not been reduced during the applicable periods shown.
 
DFees and expenses of any underlying mutual funds or exchange-traded funds (ETFs) are not included in the Fund's expense ratio. The Fund indirectly bears its proportionate share of these expenses.
 
EExpense ratios reflect operating expenses of the class. Expenses before reductions do not reflect amounts reimbursed, waived, or reduced through arrangements with the investment adviser, brokerage services, or other offset arrangements, if applicable, and do not represent the amount paid by the class during periods when reimbursements, waivers or reductions occur.
 
 
 
IMPORTANT INFORMATION ABOUT OPENING A NEW ACCOUNT
To help the government fight the funding of terrorism and money laundering activities, the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (USA PATRIOT ACT), requires all financial institutions to obtain, verify, and record information that identifies each person or entity that opens an account.For individual investors opening an account: When you open an account, you will be asked for your name, address, date of birth, and other information that will allow Fidelity to identify you. You may also be asked to provide documents that may help to establish your identity, such as your driver's license.For investors other than individuals: When you open an account, you will be asked for the name of the entity, its principal place of business and taxpayer identification number (TIN). You will be asked to provide information about the entity's control person and beneficial owners, and person(s) with authority over the account, including name, address, date of birth and social security number. You may also be asked to provide documents, such as drivers' licenses, articles of incorporation, trust instruments or partnership agreements and other information that will help Fidelity identify the entity.
You can obtain additional information about the fund. A description of the fund's policies and procedures for disclosing its holdings is available in its Statement of Additional Information (SAI) and on Fidelity's web sites. The SAI also includes more detailed information about the fund and its investments. The  SAI is incorporated herein by reference (legally forms a part of the prospectus). The fund's annual and semi-annual reports and Form N-CSR also include additional information. In Form N-CSR, you will find the fund's annual and semi-annual financial statements.
For a free copy of any of these documents or to request other information or ask questions about the fund, call Fidelity by dialing the international access code followed by 800-544-0275 or go to https://fidelity.com/globalcall for phone numbers and dialing instructions. In addition, you may visit Fidelity's web site at www.netbenefits.com for a free copy of a prospectus, SAI, annual or semi-annual report, or the fund's financial statements or to request other information.
The SAI, the fund's annual and semi-annual reports and other related materials are available from the Electronic Data Gathering, Analysis, and Retrieval (EDGAR) Database on the SEC's web site (http://www.sec.gov). You can obtain copies of this information, after paying a duplicating fee, by sending a request by e-mail to [email protected] or by writing the Public Reference Section of the SEC, Washington, D.C. 20549-1520. You can also review and copy information about the fund, including the fund's SAI, at the SEC's Public Reference Room in Washington, D.C. Call 1-202-551-8090 for information on the operation of the SEC's Public Reference Room.
Investment Company Act of 1940, File Number(s), 811-07139  
Fidelity Distributors Company LLC (FDC) is a member of the Securities Investor Protection Corporation (SIPC). You may obtain information about SIPC, including the SIPC brochure, by visiting www.sipc.org or calling SIPC at 202-371-8300.
Fidelity, the Fidelity Investments Logo and all other Fidelity trademarks or service marks used herein are trademarks or service marks of FMR LLC. Any third-party marks that are used herein are trademarks or service marks of their respective owners. © 2024 FMR LLC. All rights reserved.
1.9918345.100
TMN-PRO-1124

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