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May 01, 2025

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund)

Investment Objective

The Fund seeks long-term total return on capital, primarily through capital appreciation.

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 tables and examples below. You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in “Choosing Your Share Class” on page 24 of the Prospectus and “Additional Purchase and Sale Information for A Class Shares” on page 34 of the Statement of Additional Information (“SAI”). With respect to purchases of shares through specific intermediaries, you may find additional information regarding sales charge discounts and waivers in Appendix A to the Fund’s Prospectus entitled “Intermediary Sales Charge Discounts, Waivers and Other Information.”

Shareholder Fees (fees paid directly from your investment)

Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)

Currently, the Fund does not assess a front-end sales load on purchases of A Class shares of $1,000,000 or more. However, the Fund assesses a contingent deferred sales charge (“CDSC”) of 0.50% on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.

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 the Fund for the time periods indicated and then redeem all of your 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 this Example reflects the fee waiver/expense reimbursement arrangement for each share class through April 30, 2026. C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. This Example reflects your costs as though C Class shares were held for the full 10-year period. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Assuming no redemption of shares:

Portfolio Turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 52% of the average value of its portfolio.

Principal Investment Strategies

Under normal circumstances, the Fund invests at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in equity securities of large market capitalization companies that the Fund considers to have growth characteristics.

The Fund considers large market capitalization companies to be those with market capitalizations within the market capitalization range of the companies in the Russell 1000® Index. The Russell 1000 Index measures the performance of approximately 1,000 of the largest U.S. companies based on total market capitalization. As of December 31, 2024, the Russell 1000 Index consisted of companies with market capitalizations of $351.6 million and greater. The Fund considers a company to have growth characteristics if it is a constituent of the Russell 1000® Growth Index. The Russell 1000 Growth Index includes those Russell 1000 companies with higher price-to-book ratios and higher forecasted growth values.

The Fund’s sub-advisor, Numeric Investors LLC (“Numeric”), uses a proprietary model-driven quantitative approach to select equity securities (typically common stocks) of companies that have, in its opinion, attractive valuations, positive long-term growth characteristics, sustainable competitive advantages, relatively benign competitive environments, and favorable industry dynamics. In seeking to achieve this goal, stocks are selected from the universe using a balance of proprietary quantitative models that blend fundamental investment concepts with other uncorrelated drivers of stock returns to aid in forecasting a company’s long term business prospects. A discretionary overlay based on fundamental research supplements the quantitative models to verify data, validate assumptions, and incorporate any insights that may not be picked up by the models. The discretionary overlay is expected to operate only to exclude stocks from the portfolio that have been recommended by the models. The overlay will not identify stocks for investment outside of the models.

Based on statistically driven rules in the quantitative models, securities are sold in Numeric’s discretion for various reasons, including, without limitation, when they fall into the bottom 50% of the stock selection universe, the reasons for selecting the stock are no longer valid, or when necessary to maintain the risk profile of the overall Fund. Subject to the Fund’s 80% investment policy stated above, Numeric will not necessarily sell a stock if it “migrates” outside the market capitalization range of the Russell 1000 Index after purchase or if a stock is no longer a constituent of the Russell 1000 Growth Index. As a result, the Fund may invest in stocks that are no longer large-cap growth stocks, including stocks of mid-capitalization companies and stocks that exhibit value characteristics.

The Fund invests in a diversified portfolio of common stocks that are listed on the New York Stock Exchange, NYSE American, or Nasdaq. Numeric’s investment process incorporates environmental, social and/or governance (“ESG”) analysis as a consideration in the assessment of potential portfolio investments. However, as ESG information is just one investment consideration, ESG considerations are not solely determinative in any investment decision made. In addition, Numeric does not use ESG considerations to limit, restrict or otherwise exclude companies or sectors from the Fund’s investment universe. Numeric may use ESG research and/or ratings information provided by one or more third parties in performing this analysis and considering ESG risks.

Although the Fund seeks investments across a number of sectors, from time to time, the Fund may have significant positions in particular sectors, including the Information Technology sector. However, as the sector composition of the Fund’s portfolio changes over time, the Fund’s exposure to the Information Technology sector may be lower at a future date, and the Fund’s exposure to other market sectors may be higher.

The Fund may invest cash balances in a government money market fund advised by the Manager, with respect to which the Manager receives a management fee. The Fund also may purchase and sell equity index futures contracts to gain market exposure on cash balances or reduce market exposure in anticipation of liquidity needs. The Fund may seek to earn additional income by lending its securities to certain qualified broker-dealers and institutions.

Principal Risks

The bar chart and table below provide an indication of risk by showing changes in the Fund’s performance over time. The bar chart shows how the Fund’s performance has varied from year to year. The table shows how the Fund’s average annual total returns compare to a broad-based securities market index, as well as an additional index with characteristics that are similar to those of the Fund, for the periods indicated. Effective May 1, 2024, a new sub-advisor began managing the Fund. Performance through April 30, 2024 reflects the Fund’s performance under the management of its prior sub-advisor.

On February 5, 2016, the Fund acquired all the assets and assumed all the liabilities of the Fund’s predecessor. In connection with that reorganization, the R5 Class shares of the Fund adopted the performance history and financial statements of the Fund’s predecessor. In the bar chart and table below, for the period prior to February 5, 2016, the performance of the Fund’s R5 Class shares is the performance of the Fund’s predecessor. In the table below, for the period prior to February 5, 2016, the performance of the Fund’s A Class, C Class, Y Class, and Investor Class shares also reflects the returns of the Fund’s predecessor. Additionally, for the period prior to April 30, 2018, the performance of the R6 Class shares reflects the returns of the Fund’s predecessor from January 1, 2015 through February 4, 2016 and the performance of the Fund’s R5 Class from February 5, 2016 through April 29, 2018. In each case, the newer share classes would have had similar annual returns to the Fund’s predecessor or R5 Class shares, as applicable, because the shares of each class represent investments in the same portfolio securities. However, the expenses of the Fund’s predecessor or R5 Class shares, as applicable, differ from those of the newer share classes, which would affect performance. To the extent that the Fund’s predecessor or R5 Class shares, as applicable, may have had lower expenses than the newer share classes prior to February 5, 2016, or April 30, 2018, as applicable, the performance of the Fund’s predecessor or R5 Class shares, as applicable, would

likely have been higher than the performance the newer share classes would have realized during the same period. The performance of the newer share classes shown in the table has not been adjusted for differences in operating expenses between those share classes and the shares of the Fund’s predecessor or R5 Class, as applicable, but the A Class and C Class shares performance has been adjusted for the impact of the maximum applicable sales charge.

C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. In the table below, the performance for C Class shares reflects the performance as though C Class shares were held for the full 10-year period. You may obtain updated performance information on the Fund’s website at www.americanbeaconfunds.com. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Calendar year total returns for R5 Class Shares. Year Ended 12/31

Highest Quarterly Return:
30.01% 2nd Quarter 2020
01/01/2015 through 12/31/2024

Lowest Quarterly Return:
-20.94% 2nd Quarter 2022
01/01/2015 through 12/31/2024

Average annual total returns for periods ended December 31, 2024

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. If you are a tax-exempt entity or hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account (“IRA”) or a 401(k) plan, the after-tax returns do not apply to your situation. After-tax returns are shown only for the R5 Class shares of the Fund; after-tax returns for other share classes will vary.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Risk Lose Money [Member]

There is no assurance that the Fund will achieve its investment objective, and you could lose part or all of your investment in the Fund.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Risk Not Insured Depository Institution [Member]

An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Cybersecurity and Operational Risk [Member]

Cybersecurity and Operational Risk
Operational risks arising from, among other problems, human errors, systems and technology disruptions or failures, or cybersecurity incidents may negatively impact the Fund, its service providers and third-party fund distribution platforms, including the ability of shareholders to transact in the Fund’s shares, and result in financial losses. Cybersecurity incidents may allow an unauthorized party to gain access to Fund assets, shareholder data, or proprietary information, or cause the Fund or its service providers, as well as securities trading venues and their service providers, to suffer data corruption or lose operational functionality. Cybersecurity incidents can result from deliberate attacks or unintentional events. It is not possible for the Fund or its service providers to identify all of the operational risks that may affect the Fund or to develop processes and controls to completely eliminate or mitigate their occurrence or effects. The Fund cannot control the cybersecurity and operational plans and systems of its service providers, its counterparties or the issuers of securities in which the Fund invests. The issuers of the Fund’s investments are likely to be dependent on computers for their operations and require ready access to their data and the internet to conduct their business. Thus, cybersecurity incidents could also affect issuers of the Fund’s investments, leading to significant loss of value.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Environmental, Social, and/or Governance Investing Risk [Member]

Environmental, Social, and/or Governance Investing Risk
The use of environmental, social, and/or governance (“ESG”) considerations by the sub-advisor may cause the Fund to make different investments than funds that have a similar investment style but do not incorporate such considerations in their strategy. As with the use of any investment considerations involved in investment decisions, there is no guarantee that the use of any ESG investment considerations will result in the selection of issuers that will outperform other issuers or help reduce risk in the Fund. The Fund may underperform funds that do not incorporate these considerations or incorporate different ESG considerations. Although the sub-advisor has established its own process to oversee ESG integration in accordance with the Fund’s strategies, successful integration of ESG factors will depend on the sub-advisor’s skill in researching, identifying, and applying these factors, as well as on the availability of relevant data. The sub-advisor may use ESG research and/or ratings information provided by one or more third parties in performing this analysis and considering ESG risks. The regulatory landscape with respect to ESG investing in the United States is evolving and any future rules or regulations may require the Fund to change its investment process with respect to the integration of ESG factors.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Equity Investments Risk [Member]

Equity Investments Risk
Equity securities represent ownership interests in companies and are subject to investment risk, issuer risk and market risk. In general, the values of stocks and other equity securities fluctuate, and sometimes widely fluctuate, in response to changes in a company’s financial condition as well as general market, economic and political conditions and other factors. The Fund may experience a significant or complete loss on its investment in an equity security. In addition, stock prices may be particularly sensitive to rising interest rates, which increase borrowing costs and the costs of capital. The Fund may invest in the following equity securities, which may expose the Fund to the following additional risks:

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Common Stock Risk. The value of a company’s common stock may fall as a result of factors affecting the company, companies in the same industry or sector, or the financial markets overall. Common stock generally is subordinate to preferred stock upon the liquidation or bankruptcy of the issuing company.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Futures Contracts Risk [Member]

Futures Contracts Risk
Futures contracts are derivative instruments pursuant to a contract where the parties agree to a fixed price for an agreed amount of securities or other underlying assets at an agreed date. The use of such derivative instruments may expose the Fund to additional risks, such as credit risk, liquidity risk, and counterparty risk, that it would not be subject to if it invested directly in the securities underlying those derivatives. There can be no assurance that any strategy used will succeed. There may at times be an imperfect correlation between the movement in the prices of futures contracts and the value of their underlying instruments or indexes. There also can be no assurance that, at all times, a liquid market will exist for offsetting a futures contract that the Fund has previously bought or sold, and this may result in the inability to close a futures contract when desired. Futures contracts may experience potentially dramatic price changes, which will increase the volatility of the Fund and may involve a small investment of cash (the amount of initial and variation margin) relative to the magnitude of the risk assumed (the potential increase or decrease in the price of the futures contract). Use of derivatives is a highly specialized activity that can involve investment techniques and risks different from, and in some respects greater than, those associated with investing in more traditional investments. Derivatives can be highly complex and highly volatile and may perform in unanticipated ways. The Fund may invest in the following types of futures contracts:

•	Index Futures Contracts Risk. Futures contracts on indices expose the Fund to volatility in an underlying index.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Growth Companies Risk [Member]

Growth Companies Risk
Growth companies are expected to increase their earnings at a certain rate. When these expectations are not met or decrease, the prices of these stocks may decline, sometimes sharply, even if earnings showed an absolute increase. The Fund’s investments in growth companies may be more sensitive to company earnings and more volatile than the market in general primarily because their stock prices are based heavily on future expectations. If an assessment of the prospects for a company’s growth is incorrect, then the price of the company’s stock may fall or not approach the value placed on it. Growth company stocks may also lack the dividend yield that can cushion stock price declines in market downturns.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Investment Risk [Member]

Investment Risk
An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. When you sell your shares of the Fund, they could be worth less than what you paid for them. Therefore, you may lose money by investing in the Fund.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Issuer Risk [Member]

Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons that directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer’s goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Large-Capitalization Companies Risk [Member]

Large-Capitalization Companies Risk
The securities of large market capitalization companies may underperform other segments of the market because such companies may be less responsive to competitive challenges and opportunities and, at times, such companies may be out of favor with investors. Many larger-capitalization companies also may be unable to attain the high growth rates of successful smaller companies, especially during periods of economic expansion.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Market Risk [Member]

Market Risk
The Fund is subject to the risk that the securities markets will move down, sometimes rapidly and unpredictably, based on overall economic conditions and other factors, which may negatively affect the Fund’s performance. Equity securities generally have greater price volatility than fixed-income securities, although under certain market conditions fixed-income securities may have comparable or greater price volatility. During a general downturn in the securities markets, multiple assets may decline in value simultaneously. Prices in many financial markets have increased significantly over the last 10-15 years, but there have also been periods of adverse market and financial developments and cyclical change during that timeframe, which have resulted in unusually high levels of volatility in domestic and foreign financial markets that has caused losses for investors and may occur again in the future. The value of a security may decline due to adverse issuer-specific conditions, general market conditions unrelated to a particular issuer, such as changes in interest or inflation rates, or factors that affect a particular industry or industries. Changes in the financial condition of a single issuer or market segment also can impact the market as a whole. Geopolitical and other events, including war, terrorism, economic uncertainty, trade disputes, pandemics, public health crises, natural disasters, cybersecurity incidents, and related events have led, and in the future may continue to lead, to instability in world economies and markets generally and reduced liquidity in equity, credit and fixed-income markets, which may disrupt economies and markets and adversely affect the value of your investment. The imposition by the U.S. of tariffs on goods imported from foreign countries and reciprocal tariffs levied on U.S. goods by those countries also may lead to volatility and instability in domestic and foreign markets. Changes in value may be temporary or may last for extended periods.

Policy changes by the U.S. government and/or Federal Reserve and economic and political changes within the U.S. and abroad, such as inflation, changes in interest rates, recessions, changes in the U.S. presidential administration and Congress, the U.S. government’s inability at times to agree on a long-term budget and deficit reduction plan, the threat or occurrence of a federal government shutdown and threats or the occurrence of a failure to increase the federal government’s debt limit, which could result in a default on the government’s obligations, may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree.

Markets and market participants are increasingly reliant upon both publicly available and proprietary information data systems. Data imprecision, software or other technology malfunctions, programming inaccuracies, unauthorized use or access, and similar circumstances may impair the performance of these systems and may have an adverse impact upon a single issuer, a group of issuers, or the market at large.

The financial markets generally move in cycles, with periods of rising prices followed by periods of declining prices. The value of your investment may reflect these fluctuations.

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that conditions in one country or region might adversely impact issuers in a different country or region. However, the interconnectedness of economies and/or markets may be changing, which may impact such economies and markets in ways that cannot be foreseen at this time.

Some countries, including the U.S., have adopted more protectionist trade policies, including trade tariffs and other trade barriers, which is a trend that appears to be continuing globally. Slowing global economic growth, the rise in protectionist trade policies, inflationary pressures, changes to some major international trade agreements, risks associated with trade agreements between countries and regions, including the U.S. and other foreign nations, political or economic dysfunction within some countries or regions, including the U.S., and dramatic changes in consumer sentiment and commodity and currency prices could affect the economies and markets of many nations, including the U.S., in ways that cannot necessarily be foreseen at the present time and may create significant market volatility. In addition, these policies, including the impact on the U.S. dollar, may decrease foreign demand for U.S. assets, which could have a negative impact on certain issuers and/or industries.

Although interest rates were unusually low in the U.S. and abroad for a period of time, in 2022, the U.S. Federal Reserve (the “Federal Reserve”) and certain foreign central banks began to raise interest rates as part of their efforts to address rising inflation. The Federal Reserve and certain foreign central banks subsequently started to lower interest rates in September 2024, though economic or other factors, such as inflation, could lead to the Federal Reserve stopping or reversing these changes. It is difficult to accurately predict the pace at which interest rates might change, the timing, frequency or magnitude of any such changes in interest rates, or when such changes might stop or again reverse course. Additionally, various economic and political factors could cause the Federal Reserve or foreign central banks to change their approach in the future and such actions may result in an economic slowdown in the U.S. and abroad. Unexpected changes in interest rates could lead to significant market volatility or reduce liquidity in certain sectors of the market. Deteriorating economic fundamentals may, in turn, increase the risk of default or insolvency of particular issuers, negatively impact market value, cause credit spreads to widen, and reduce bank balance sheets. Any of these could cause an increase in market volatility, reduce liquidity across various markets or decrease confidence in the markets.
High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. There is no assurance that the U.S. Congress will act to raise the nation’s debt ceiling; a failure to do so could cause market turmoil and substantial investment risks that cannot be fully predicted. Unexpected political, regulatory and diplomatic events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy.

Tensions, war, or open conflict between nations, such as between Russia and Ukraine, in the Middle East or in eastern Asia could affect the economies of many nations, including the United States. The duration of ongoing hostilities in the Middle East and between Russia and Ukraine, and any sanctions and related events cannot be predicted. Those events present material uncertainty and risk with respect to markets globally and the performance of the Fund and its investments or operations could be negatively impacted.
Regulators in the U.S. have adopted a number of changes to regulations involving the markets and issuers, some of which apply to the Fund. The full effect of various newly adopted regulations is not currently known. Due to the scope of regulations being adopted, certain of these changes to regulations could limit the Fund’s ability to pursue its investment strategies or make certain investments, or may make it more costly for the Fund to operate, which may impact performance. Additionally, it is possible that recently adopted regulations could be further revised or rescinded, which creates material uncertainty regarding their impact to the Fund.

Economists and others have expressed increasing concern about the potential effects of global climate change on property and security values. Certain issuers, industries and regions may be adversely affected by the impacts of climate change in ways that cannot be foreseen, including on the demand for and the development of goods and services and related production costs, and the impacts of legislation, regulation and international accords related to climate change, as well as any indirect consequences of regulation or business trends driven by climate change.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Mid-Capitalization Companies Risk [Member]

Mid-Capitalization Companies Risk
Investing in the securities of mid-capitalization companies involves greater risk and the possibility of greater price volatility, which at times can be rapid and unpredictable, than investing in larger-capitalization and more established companies. Since mid-capitalization companies may have narrower commercial markets and more limited operating history, product lines, and managerial and financial resources than larger, more established companies, the securities of these companies may lack sufficient market liquidity, and they can be particularly sensitive to changes in overall economic conditions, interest rates, borrowing costs and earnings.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Model and Data/Programming Error Risk [Member]

Model and Data/Programming Error Risk
The success of the sub-advisor’s investment strategy depends largely on the effectiveness of its quantitative research models and investment programs. Models (including quantitative models), data, and investment programs are used to screen potential investments for the Fund. When models or data prove to be incorrect or incomplete, any decisions made in reliance thereon expose the Fund to potential risks and programs may not react as expected to market events, resulting in losses for the Fund. Some of the models used by the sub-advisor are predictive in nature. The use of predictive models has inherent risks. Because predictive models are usually constructed based on historical data supplied by third parties, the success of relying on such models may depend heavily on the accuracy and reliability of the supplied historical data. There is no assurance that the models are complete or accurate, or representative of future market cycles, nor will they always be beneficial to the Fund if they are accurate. Additionally, programs may become outdated or experience malfunctions which may not be identified by the sub -advisor and therefore may also result in losses to the Fund. These models and programs may negatively affect Fund performance for various other reasons, including human judgment, inaccuracy of historical data and non-quantitative factors (such as market or trading system dysfunctions, investor fear or overreaction). The use of artificial intelligence or other evolving or emerging technologies presents significant risks and may exacerbate the aforementioned risks.

Models and data are known to have errors, omissions, imperfections and malfunctions (collectively, “System Events”). The sub-advisor seeks to reduce the incidence and impact of System Events, to the extent feasible, through a combination of internal testing, simulation, real-time monitoring, and use of independent safeguards in the overall portfolio management process and often in the software code itself. Despite such testing, monitoring and independent safeguards, System Events will result in, among other things, the execution of unanticipated trades, the failure to execute anticipated trades, delays in the execution of anticipated trades, the failure to properly allocate trades, the failure to properly gather and organize available data, the failure to take certain hedging or risk reducing actions and/or the taking of actions which increase certain risk(s) - all of which may have materially adverse effects on the Fund. System Events in third-party provided data are generally entirely outside the control of the sub-advisor.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Other Investment Companies Risk [Member]

securities, fixed-income securities and/or foreign securities, or that track an index, the Fund is subject to the risks associated with the underlying investments held by the investment company or the index fluctuations to which the investment company is subject. The Fund will be subject to the risks associated with investments in those companies, including but not limited to the following:

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Government Money Market Funds Risk. Investments in government money market funds are subject to interest rate risk, credit risk, and market risk. Interest rate risk is the risk that rising interest rates could cause the value of such an investment to decline. Credit risk is the risk that the issuer, guarantor or insurer of an obligation, or the counterparty to a transaction, may fail or become less able or unwilling, to make timely payment of interest or principal or otherwise honor its obligations, or that it may default completely.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Quantitative Strategy Risk [Member]

Quantitative Strategy Risk
The success of the Fund’s investment strategy may depend in part on the effectiveness of the sub-advisor’s quantitative tools for screening securities. These strategies may incorporate factors that are not predictive of a security’s value. The quantitative tools may not react as expected to market events, resulting in losses for the Fund. Additionally, a previously successful strategy may become outdated or inaccurate, which may not be identified by the sub-advisor and therefore may also result in losses. The use of artificial intelligence or other evolving or emerging technologies presents significant risks and may exacerbate the aforementioned risks.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Redemption Risk [Member]

Redemption Risk
The Fund may experience periods of high levels of redemptions that could cause the Fund to sell assets at inopportune times or at a loss or depressed value. Heavy redemptions could hurt the Fund’s performance. The sale of assets to meet redemption requests may create net capital gains, which could cause the Fund to have to distribute substantial capital gains. Redemption risk is greater to the extent that one or more investors or intermediaries control a large percentage of investments in the Fund. In addition, redemption risk is heightened during periods of declining or illiquid markets. During periods of heavy redemptions, the Fund may borrow funds through the interfund credit facility or from a bank line of credit, which may increase costs.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Sector Risk [Member]

Sector Risk
When the Fund focuses its investments in certain sectors of the economy, its performance could fluctuate more widely than if the Fund were invested more evenly across sectors. Issuers in the same economic sector may be similarly affected by economic or market events, making the Fund more vulnerable to unfavorable developments in that economic sector than funds that invest more broadly. Additionally, individual sectors may be more volatile, and may perform differently, than the broader market. As the Fund’s portfolio changes over time, the Fund’s exposure to a particular sector may become higher or lower.

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Information Technology Sector Risk. The Information Technology sector includes companies engaged in software and services, technology hardware and storage peripherals, electronic equipment and components, and semiconductors and semiconductor equipment. Information technology companies face intense competition, both domestically and internationally, which may have an adverse effect on profit margins. Information technology companies may have limited product lines, markets, financial resources or personnel. The products of information technology companies may face rapid product obsolescence due to technological developments and frequent new product introduction, unpredictable changes in growth rates and competition for the services of qualified personnel. Failure to introduce new products, develop and maintain a loyal customer base or achieve general market acceptance for their products could have a material adverse effect on a company’s business. Companies in the Information Technology sector also may be subject to increased government scrutiny or adverse government or regulatory action. Additionally, companies in the Information Technology sector are heavily dependent on intellectual property and the loss of patent, copyright or trademark protections may adversely affect the profitability of these companies. The market prices of information technology-related securities tend to exhibit a greater degree of market risk and sharp price fluctuations than other types of securities. These securities may fall in and out of favor with investors rapidly, which may cause sudden selling and dramatically lower market prices.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Securities Lending Risk [Member]

Securities Lending Risk
To the extent the Fund lends its securities, it may be subject to the following risks: (i) the securities in which the Fund reinvests cash collateral may decrease in value, causing the Fund to incur a loss, or may not perform sufficiently to cover the Fund’s payment to the borrower of a pre-negotiated fee or “rebate” for the use of that cash collateral in connection with the loan; (ii) non-cash collateral may decline in value, resulting in the Fund becoming under-secured; (iii) delays may occur in the recovery of loaned securities from borrowers, which could result in the Fund being unable to vote proxies or settle transactions or cause the Fund to incur increased costs; and (iv) if the borrower becomes subject to insolvency or similar proceedings, the Fund could incur delays in its ability to enforce its rights in its collateral.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Securities Selection Risk [Member]

Securities Selection Risk
Securities selected for the Fund may not perform to expectations. This could result in the Fund’s underperformance compared to its performance index(es), or other funds with similar investment objectives or strategies.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Growth Fund) | Value Stocks Risk [Member]

Value Stocks Risk
Value stocks are subject to the risk that their intrinsic or full value may never be realized by the market, that a stock judged to be undervalued may be appropriately priced, or that their prices may decline. Although value stocks tend to be inexpensive relative to their earnings, they can continue to be inexpensive for long periods of time. The Fund’s investments in value stocks seek to limit potential downside price risk over time; however, value stock prices still may decline substantially. In addition, the Fund may produce more modest gains as a trade-off for this potentially lower risk. The Fund’s investment in value stocks could cause the Fund to underperform funds that use a growth or non-value approach to investing or have a broader investment style.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund)

Investment Objective

The Fund seeks to provide long-term total return on capital, primarily through capital appreciation and some income.

Fees and Expenses of the Fund

Shareholder Fees (fees paid directly from your investment)

Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)

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 the Fund for the time periods indicated and then redeem all of your 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. C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. This Example reflects your costs as though C Class shares were held for the full 10-year period. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Assuming no redemption of shares:

Portfolio Turnover

Principal Investment Strategies

The Fund considers large market capitalization companies to be those with market capitalizations within the market capitalization range of the companies in the Russell 1000® Index. The Russell 1000 Index measures the performance of approximately 1,000 of the largest U.S. companies based on total market capitalization. As of December 31, 2024, the Russell 1000 Index consisted of companies with market capitalizations of $351.6 million and greater. The Fund considers a company to have value characteristics if it is a constituent of the Russell 1000® Value Index. The Russell 1000 Value Index includes those Russell 1000 companies with lower price-to-book ratios and lower forecasted growth values.

Based on statistically driven rules in the quantitative models, securities are sold in Numeric’s discretion for various reasons, including, without limitation, when they fall into the bottom 50% of the stock selection universe, the reasons for selecting the stock are no longer valid, or when necessary to maintain the risk profile of the overall Fund. Subject to the Fund’s 80% investment policy stated above, Numeric will not necessarily sell a stock if it “migrates” outside the market capitalization range of the Russell 1000 Index after purchase or if a stock is no longer a constituent of the Russell 1000 Value Index. As a result, the Fund may invest in stocks that are no longer large-cap value stocks, including stocks of mid-capitalization companies and stocks that exhibit growth characteristics.

The Fund invests in a diversified portfolio of common stocks that are listed on the New York Stock Exchange, NYSE American, or Nasdaq.

Numeric’s investment process incorporates environmental, social and/or governance (“ESG”) analysis as a consideration in the assessment of potential portfolio investments. However, as ESG information is just one investment consideration, ESG considerations are not solely determinative in any investment decision made. In addition, Numeric does not use ESG considerations to limit, restrict or otherwise exclude companies or sectors from the Fund’s investment universe. Numeric may use ESG research and/or ratings information provided by one or more third parties in performing this analysis and considering ESG risks.

Although the Fund seeks investments across a number of sectors, from time to time, the Fund may have significant positions in particular sectors, including the Financial sector. However, as the sector composition of the Fund’s portfolio changes over time, the Fund’s exposure to the Financial sector may be lower at a future date, and the Fund’s exposure to other market sectors may be higher.

Principal Risks

The chart and the table show the performance of the Fund’s Investor Class shares for all periods. In the table below, for the period prior to April 28, 2017, the performance of the R6 Class shares reflects the returns of the Investor Class shares of the Fund. The R6 Class shares would have had similar annual returns to the Investor Class shares because the shares of each class represent investments in the same portfolio securities. However, as reflected in the “Fees and Expenses of the Fund” section of this Fund Summary, the expenses of the Investor Class shares differ from those of the R6 Class shares, which would affect performance. To the extent that the Fund’s Investor Class shares may have had lower expenses than the R6 Class shares prior to April 28, 2017, the performance of the Investor Class shares would likely have been higher than the performance the R6 Class shares would have realized during the same period. The performance of the R6 Class shares shown in the table has not been adjusted for differences in operating expenses between that share class and the Investor Class shares.

C Class shares automatically convert to A Class shares 8 years after purchase, if the conversion is available through your financial intermediary. In the table below, the performance for C Class shares reflects the performance as though C Class shares were held for the full 10 year period. You may obtain updated performance information on the Fund’s website at www.americanbeaconfunds.com. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Calendar year total returns for Investor Class Shares. Year Ended 12/31

Highest Quarterly Return:
17.17% 2nd Quarter 2020
01/01/2015 through 12/31/2024

Lowest Quarterly Return:
-31.76% 1st Quarter 2020
01/01/2015 through 12/31/2024

Average annual total returns for periods ended December 31, 2024

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. If you are a tax-exempt entity or hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account (“IRA”) or a 401(k) plan, the after-tax returns do not apply to your situation. After-tax returns are shown only for Investor Class shares of the Fund; after-tax returns for other share classes will vary.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Risk Lose Money [Member]

There is no assurance that the Fund will achieve its investment objective, and you could lose part or all of your investment in the Fund.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Risk Not Insured Depository Institution [Member]

An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Cybersecurity and Operational Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Environmental, Social, and/or Governance Investing Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Equity Investments Risk [Member]

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(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Futures Contracts Risk [Member]

•	Index Futures Contracts Risk. Futures contracts on indices expose the Fund to volatility in an underlying index.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Growth Companies Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Investment Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Issuer Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Large-Capitalization Companies Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Market Risk [Member]

The financial markets generally move in cycles, with periods of rising prices followed by periods of declining prices. The value of your investment may reflect these fluctuations.

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Recent Market Events Risk. Both U.S. and international markets have experienced significant volatility in recent months and years. As a result of such volatility, investment returns may fluctuate significantly. Moreover, during periods of significant volatility, the risks discussed herein associated with an investment in the Fund may be increased. National economies are substantially interconnected, as are global financial markets, which creates the possibility that conditions in one country or region might adversely impact issuers in a different country or region. However, the interconnectedness of economies and/or markets may be changing, which may impact such economies and markets in ways that cannot be foreseen at this time.

Some countries, including the U.S., have adopted more protectionist trade policies, including trade tariffs and other trade barriers, which is a trend that appears to be continuing globally. Slowing global economic growth, the rise in protectionist trade policies, inflationary pressures, changes to some major international trade agreements, risks associated with trade agreements between countries and regions, including the U.S. and other foreign nations, political or economic dysfunction within some countries or regions, including the U.S., and dramatic changes in consumer sentiment and commodity and currency prices could affect the economies and markets of many nations, including the U.S., in ways that cannot necessarily be foreseen at the present time and may create significant market volatility. In addition, these policies, including the impact on the U.S. dollar, may decrease foreign demand for U.S. assets, which could have a negative impact on certain issuers and/or industries.

Although interest rates were unusually low in the U.S. and abroad for a period of time, in 2022, the U.S. Federal Reserve (the “Federal Reserve”) and certain foreign central banks began to raise interest rates as part of their efforts to address rising inflation. The Federal Reserve and certain foreign central banks subsequently started to lower interest rates in September 2024, though economic or other factors, such as inflation, could lead to the Federal Reserve stopping or reversing these changes. It is difficult to accurately predict the pace at which interest rates might change, the timing, frequency or magnitude of any such changes in interest rates, or when such changes might stop or again reverse course. Additionally, various economic and political factors could cause the Federal Reserve or foreign central banks to change their approach in the future and such actions may result in an economic slowdown in the U.S. and abroad. Unexpected changes in interest rates could lead to significant market volatility or reduce liquidity in certain sectors of the market. Deteriorating economic fundamentals may, in turn, increase the risk of default or insolvency of particular issuers, negatively impact market value, cause credit spreads to widen, and reduce bank balance sheets. Any of these could cause an increase in market volatility, reduce liquidity across various markets or decrease confidence in the markets.
High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. There is no assurance that the U.S. Congress will act to raise the nation’s debt ceiling; a failure to do so could cause market turmoil and substantial investment risks that cannot be fully predicted. Unexpected political, regulatory and diplomatic events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy.

Tensions, war, or open conflict between nations, such as between Russia and Ukraine, in the Middle East or in eastern Asia could affect the economies of many nations, including the United States. The duration of ongoing hostilities in the Middle East and between Russia and Ukraine, and any sanctions and related events cannot be predicted. Those events present material uncertainty and risk with respect to markets globally and the performance of the Fund and its investments or operations could be negatively impacted.

Regulators in the U.S. have adopted a number of changes to regulations involving the markets and issuers, some of which apply to the Fund. The full effect of various newly adopted regulations is not currently known. Due to the scope of regulations being adopted, certain of these changes to regulations could limit the Fund’s ability to pursue its investment strategies or make certain investments, or may make it more costly for the Fund to operate, which may impact performance. Additionally, it is possible that recently adopted regulations could be further revised or rescinded, which creates material uncertainty regarding their impact to the Fund.

Economists and others have expressed increasing concern about the potential effects of global climate change on property and security values. Certain issuers, industries and regions may be adversely affected by the impacts of climate change in ways that cannot be foreseen, including on the demand for and the development of goods and services and related production costs, and the impacts of legislation, regulation and international accords related to climate change, as well as any indirect consequences of regulation or business trends driven by climate change.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Mid-Capitalization Companies Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Model and Data/Programming Error Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Other Investment Companies Risk [Member]

Other Investment Companies Risk
To the extent that the Fund invests in shares of other registered investment companies, the Fund will indirectly bear the fees and expenses charged by those investment companies in addition to the Fund’s direct fees and expenses. To the extent the Fund invests in other investment companies that invest in equity securities, fixed-income securities and/or foreign securities, or that track an index, the Fund is subject to the risks associated with the underlying investments held by the investment company or the index fluctuations to which the investment company is subject. The Fund will be subject to the risks associated with investments in those companies, including but not limited to the following:

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(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Quantitative Strategy Risk [Member]

losses for the Fund. Additionally, a previously successful strategy may become outdated or inaccurate, which may not be identified by the sub-advisor and therefore may also result in losses. The use of artificial intelligence or other evolving or emerging technologies presents significant risks and may exacerbate the aforementioned risks.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Redemption Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Sector Risk [Member]

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Financials Sector Risk. Companies in the Financials sector are subject to extensive governmental regulation and intervention, which may result in financial penalties and limits on the scope of their activities, the amounts and types of loans and other financial commitments they can make, the interest rates and fees they can charge, the scope of their activities, the prices they can charge, the amount of capital they must maintain and, potentially, their size. The impact of recent or future regulation on the Financials sector, including more stringent capital requirements, cannot be predicted. In addition, fiscal, regulatory and monetary policies, economic conditions, interest rate changes, credit rating downgrades, and decreased liquidity in the credit markets may cause an adverse impact in a broad range of markets, including U.S. and international credit and interbank money markets, thereby affecting a wide range of companies in the Financials sector. Cybersecurity incidents and technology malfunctions and failures have become increasingly frequent and have caused significant losses to companies in this sector, which also may negatively impact the Fund.

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Securities Lending Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Securities Selection Risk [Member]

(American Beacon Man Funds - Classes A, C, Y, R6, R5 and Investor) | (American Beacon Man Large Cap Value Fund) | Value Stocks Risk [Member]