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January 31, 2023
Investor Money Market Fund
Class D Shares: FMDXX  

Before you invest, you may want to review the Investor Money Market Fund (the “Fund”) Prospectus, which contains more information about the Fund and its risks. You can find the Fund’s Prospectus, reports to shareholders and other information about the Fund online at You can also get this information at no cost by calling 800-621-2550 or by sending an e-mail request to [email protected] The Fund’s Prospectus and Statement of Additional Information (“SAI”), both dated January 31, 2023, are incorporated by reference into this Summary Prospectus.
Investment Objective
The Goldman Sachs Investor Money Market Fund (the “Fund”) seeks to maximize current income to the extent consistent with the preservation of capital and the maintenance of liquidity by investing exclusively in high quality money market instruments.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if 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 table and Example below.
Shareholder Fees
(fees paid directly from your investment)
Money Market
Maximum Sales Charge (Load) Imposed on Purchases
Maximum Deferred Sales Charge (Load)
Maximum Sales Charge (Load) Imposed on Reinvested Dividends
Redemption Fees
Exchange Fees
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)
Management Fees
Other Expenses
Total Annual Fund Operating Expenses
Expense Limitation1
Total Annual Fund Operating Expenses After Expense Limitation
The Investment Adviser has agreed to reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, taxes, interest, brokerage fees, expenses of shareholder meetings, litigation and indemnification, and extraordinary expenses) to 0.014% of the Fund’s average daily net assets. This arrangement will remain in effect through at least March 29, 2024, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.
Expense Example
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.
The Example assumes that you invest $10,000 in Class D Shares of the Fund for the time periods indicated and then redeem all of your Class D Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
1 Year
3 Years
5 Years
10 Years
Class D Shares

Principal Strategy
The Fund pursues its investment objective by investing in securities issued or guaranteed by the United States or certain U.S. government agencies or instrumentalities (“U.S. Government Securities”), obligations of banks (which may exceed 25% of its total assets), commercial paper and other short-term obligations of U.S. companies, states, municipalities and other entities, and repurchase agreements. The Fund may also invest in U.S. dollar-denominated obligations of foreign banks, foreign companies and foreign governments. The Fund may not invest more than 25% of its total assets in the securities of any one foreign government.
The Fund intends to be a “retail money market fund,” as such term is defined in or interpreted under Rule 2a-7 under the Investment Company Act of 1940, as amended (the “Investment Company Act”). “Retail money market funds” are money market funds that have policies and procedures reasonably designed to limit all beneficial owners of the fund to natural persons. As a “retail money market fund,” the Fund values its securities using the amortized cost method. The Fund seeks to maintain a stable net asset value (“NAV”) of $1.00 per share.
Under Rule 2a-7, the Fund may invest only in U.S. dollar-denominated securities that meet certain risk-limiting conditions relating to portfolio quality, maturity, diversification and liquidity.

2 Summary Prospectus — Investor Money Market Fund
Principal Risks of the Fund
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. The Fund may impose a fee upon sale of your shares or may temporarily suspend your ability to sell shares if the Fund's liquidity falls below required minimums because of market conditions or other factors.  An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund’s sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective. The Fund's principal risks are presented below in alphabetical order, and not in the order of importance or potential exposure.
Banking Industry Risk. An adverse development in the banking industry (domestic or foreign) may affect the value of the Fund’s investments more than if the Fund were not invested to such a degree in the banking industry. Banks may be particularly susceptible to certain economic factors such as interest rate changes, adverse developments in the real estate market, fiscal, regulatory and monetary policy and general economic cycles.
Credit/Default Risk. An issuer or guarantor of a security held by the Fund, or a bank or other financial institution that has entered into a repurchase agreement with the Fund, may default on its obligation to pay interest and repay principal or default on any other obligation. Additionally, the credit quality of securities may deteriorate rapidly, which may impair the Fund’s liquidity and cause significant deterioration in NAV.
Foreign Risk. Foreign securities may be subject to risk of loss because of more or less foreign government regulation; less public information; less stringent investor protections; less stringent accounting, corporate governance, financial reporting and disclosure standards; and less economic, political and social stability in the countries in which the Fund invests. The imposition of sanctions, confiscations, trade restrictions (including tariffs) and other government restrictions by the United States and other governments, or from problems in share registration, settlement or custody, may also result in losses. In addition, the Fund will be subject to the risk that an issuer of foreign sovereign debt or the government authorities that control the repayment of the debt may be unable or unwilling to repay the principal or interest when due.
Interest Rate Risk. When interest rates increase, the Fund’s yield will tend to be lower than prevailing market rates, and the market value of its investments will generally decline. The Fund may face a heightened level of interest rate risk in connection with the type and extent of certain monetary policy changes made by the Federal Reserve, such as target interest rate changes. The risks associated with changing interest rates may have unpredictable effects on the markets and the Fund’s investments. A low interest rate environment poses additional risks to the Fund, because low yields on the Fund’s portfolio holdings may have an adverse impact on the Fund’s ability to provide a positive yield to its shareholders, pay expenses out of current income, or, at times, maintain a stable $1.00 share price and/or achieve its investment objective. Fluctuations in interest rates may also affect the liquidity of the Fund’s investments. A sudden or unpredictable increase in interest rates may cause volatility in the market and may decrease the liquidity of the Fund's investments, which would make it harder for the Fund to sell its investments at an advantageous time.
Large Shareholder Transactions Risk. The Fund may experience adverse effects when certain large shareholders (including financial intermediaries who may make investment decisions on behalf of underlying clients) purchase or redeem large amounts of shares of the Fund. Such large shareholder redemptions, which may occur rapidly or unexpectedly, may cause the Fund to sell portfolio securities at times when it would not otherwise do so, which may negatively impact the  Fund's   NAV  and liquidity. Similarly, large Fund share purchases may adversely affect the  Fund's  performance to the extent that the Fund is delayed in investing new cash or otherwise maintains a larger cash position than it ordinarily would. These transactions may also accelerate the realization of taxable income to shareholders if such sales of investments resulted in gains, and may also increase transaction costs. In addition, a large redemption could result in the  Fund's  current expenses being allocated over a smaller asset base, leading to an increase in the  Fund's  expense ratio.
Liquidity Risk. The Fund may make investments that are illiquid or that may become less liquid in response to market developments or adverse investor perceptions. Illiquid investments may be more difficult to value. The liquidity of portfolio securities can deteriorate rapidly due to credit events affecting issuers or guarantors, such as a credit rating downgrade, or due to general market conditions or a lack of willing buyers. An inability to sell one or more portfolio positions, or selling such positions at an unfavorable time and/or under unfavorable conditions, can adversely affect the Fund’s ability to maintain a stable $1.00 share price. Liquidity risk may also refer to the risk that the Fund will not be able to pay redemption proceeds within the allowable time period because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. Liquidity risk may be the result of, among other things, the reduced number and capacity of traditional market participants to make a market in fixed income securities or the lack of an active market. The potential for liquidity risk may be magnified by a rising interest rate environment or other circumstances where investor redemptions from money market and other fixed income mutual funds may be higher than normal, potentially causing increased supply in the market due to selling activity.
Market Risk. The value of the securities in which the Fund invests may go up or down in response to the prospects of  individual companies, particular sectors or governments and/or general economic conditions throughout the world due to increasingly interconnected global economies and financial markets. Events such as war, acts of terrorism, social unrest, natural disasters, the spread of infectious illness or other public health threats could also significantly impact the Fund and its investments.
Municipal Securities Risk. Municipal securities are subject to credit/default risk, interest rate risk and certain additional risks. The Fund may be more sensitive to adverse economic, business or political developments if it invests a substantial portion of its assets in the debt securities of similar projects (such as those relating to education, health care, housing, transportation, and utilities), industrial development bonds, or in particular types of municipal securities (such as general obligation bonds, private activity bonds and moral obligation bonds). While interest earned on municipal securities is generally not subject to federal tax, any interest earned on taxable municipal securities is fully taxable at the federal level and may be subject to tax at the state level.
Stable NAV Risk. The Fund may not be able to maintain a stable $1.00 share price at all times. If any money market fund that intends to maintain a stable NAV fails to do so (or if there is a perceived threat of such a failure), other such money market funds, including the Fund, could be subject to increased redemption activity, which could adversely affect the Fund’s NAV. Shareholders of the Fund should not rely on or expect the Investment Adviser or an affiliate to purchase distressed

3 Summary Prospectus — Investor Money Market Fund
assets from the Fund, make capital infusions into the Fund, enter into capital support agreements with the Fund or take other actions to help the Fund maintain a stable $1.00 share price.
U.S. Government Securities Risk. The U.S. government may not provide financial support to U.S. government agencies, instrumentalities or sponsored enterprises if it is not obligated to do so by law. Certain U.S. Government securities , including securities issued by the Federal National Mortgage Association (“Fannie Mae”), Federal Home Loan Mortgage Corporation (“Freddie Mac”) and the Federal Home Loan Banks, are neither issued nor guaranteed by the U.S. Treasury and, therefore, are not backed by the full faith and credit of the United States. The maximum potential liability of the issuers of some U.S. Government securities held by the Fund may greatly exceed their current resources, including any legal right to support from the U.S. Treasury. It is possible that issuers of U.S. Government securities will not have the funds to meet their payment obligations in the future.
The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund’s Class I Shares from year to year; and (b) the average annual total returns of the Fund’s Class I Shares. The Fund’s past performance is not
necessarily an indication of how the Fund will perform in the future. Performance reflects fee waivers and/or expense limitations in effect during the periods shown. Updated performance information is available at no cost at or by calling 1-800-621-2550.
CALENDAR YEAR (Class I Shares)*
During the periods shown in the chart above:
Quarter ended
Best Quarter Return
December 31, 2022
Worst Quarter Return
December 31, 2021
For the period ended December 31, 2022
1 Year
5 Years
Class I Shares
Because Class D Shares have not had returns for a full calendar year as of the date of this Prospectus, the figures shown above provide performance for Class I Shares of the Fund (which are not offered in this Prospectus). Class D Shares would have substantially similar annual returns because the shares are invested in the same portfolio of securities and the annual returns would differ only to the extent that the share classes do not have the same expenses.
Portfolio Management
Goldman Sachs Asset Management, L.P. is the investment adviser for the Fund (the “Investment Adviser” or “GSAM”).
Buying and Selling Fund Shares
Generally, Class D Shares may be purchased only through certain intermediaries that have a relationship with Goldman Sachs & Co. LLC (“Goldman Sachs”), including banks, trust companies, brokers, registered investment advisers and other financial institutions (“Intermediaries”). The minimum initial investment requirement imposed upon Intermediaries for the purchase of Class D Shares is generally $10 million, and there is no minimum imposed upon additional investments. Intermediaries may, however, impose a minimum amount for initial and additional investments in Class D Shares, and may establish other requirements such as a minimum account balance.
You may purchase and redeem (sell) shares of the Fund on any business day through an Intermediary.
Investments in the Investor FundsSM are limited to accounts beneficially owned by natural persons.
Tax Information
The Fund’s distributions are taxable, and will be taxed as ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account. Investments made through tax-deferred arrangements may become taxable upon withdrawal from such arrangements.
Payments to Broker-Dealers and
Other Financial Intermediaries
If you purchase the Fund through an Intermediary, the Fund and/or its related companies may pay the Intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the Intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your Intermediary’s website for more information.

4 Summary Prospectus — Investor Money Market Fund

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