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(American Beacon Acadian Emerging Markets Managed Volatility Fund℠)

Investment Objective

The Fund's investment objective is long-term capital appreciation.

Fees and Expenses of the Fund

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. 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 27 of the Prospectus and "Additional Purchase and Sale Information for A Class Shares" on page 50 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 and Waivers". Although the Fund does not impose any sales charge on Y Class shares, you may pay a commission to your broker on your purchases and sales of those shares, which is not reflected in the tables or Example below.

Shareholder Fees (fees paid directly from your investment)

Shareholder Fees - (American Beacon Acadian Emerging Markets Managed Volatility Fund℠)	A Class		C Class	Y Class	Institutional Class	Investor Class
Maximum sales charge imposed on purchases (as a percentage of offering price)	5.75%		none	none	none	none
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)	0.50%	^[1]	1.00%	none	none	none

[1]	A contingent deferred sales charge (''CDSC'') of 0.50% will be charged 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.

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

Annual Fund Operating Expenses - (American Beacon Acadian Emerging Markets Managed Volatility Fund℠)		A Class	C Class	Y Class	Institutional Class	Investor Class
Management Fees		1.00%	1.00%	1.00%	1.00%	1.00%
Distribution (12b-1) Fees		0.25%	1.00%	none	none	none
Other Expenses		0.77%	0.77%	0.76%	0.71%	1.15%
Total Annual Fund Operating Expenses		2.02%	2.77%	1.76%	1.71%	2.15%
Fee Waiver and/or expense reimbursement	^[1]	(0.27%)	(0.27%)	(0.31%)	(0.36%)	(0.42%)
Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement		1.75%	2.50%	1.45%	1.35%	1.73%

[1]

American Beacon Advisors, Inc. (the "Manager") has contractually agreed to waive fees and/or reimburse expenses of the Fund's A Class, C Class, Y Class, Institutional Class and Investor Class shares, as applicable, through May 31, 2020 to the extent that Total Annual Fund Operating Expenses exceed 1.75% for the A Class, 2.50% for the C Class, 1.45% for the Y Class, 1.35% for the Institutional Class and 1.73% for the Investor Class (excluding taxes, interest, brokerage commissions, acquired fund fees and expenses, securities lending fees, expenses associated with securities sold short, litigation, and other extraordinary expenses). The contractual expense reimbursement can be changed or terminated only in the discretion and with the approval of a majority of the Fund's Board of Trustees. The Manager can be reimbursed by the Fund for any contractual fee waivers or expense reimbursements if reimbursement to the Manager (a) occurs within three years after the Manager's own waiver or reimbursement and (b) does not cause the Total Annual Fund Operating Expenses of a class to exceed the lesser of the contractual percentage limit in effect at the time of the waiver/reimbursement or the time of the recoupment.

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 the Example reflects the fee waiver/expense reimbursement arrangement for each share class through May 31, 2020. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Expense Example - (American Beacon Acadian Emerging Markets Managed Volatility Fund℠) - USD ($)	1 Year	3 Years	5 Years	10 Years
A Class	743	1,148	1,577	2,768
C Class	353	834	1,440	3,080
Y Class	148	524	925	2,048
Institutional Class	137	504	894	1,989
Investor Class	176	633	1,116	2,450

Assuming no redemption of shares:

Expense Example, No Redemption - (American Beacon Acadian Emerging Markets Managed Volatility Fund℠)	1 Year	3 Years	5 Years	10 Years
C Class \| USD ($)	253	834	1,440	3,080

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 28% of the average value of its portfolio.

Principal Investment Strategies

Under normal circumstances, at least 80% of the Fund's net assets (plus the amount of any borrowings for investment purposes) are invested in securities of companies economically tied to emerging market countries. A company is generally regarded as being economically tied to an emerging market country if it:

is primarily listed on the trading market of an emerging market country;
is headquartered in an emerging market country; or
derives 50% or more of its revenue from, or has 50% or more of its assets in, an emerging market country.

An emerging market country is one that:

has an emerging stock market as defined by the International Finance Corporation;
has a low- to middle-income economy according to the World Bank;
is included in the IFC Investable Index or the Morgan Stanley Capital International Emerging Markets Index; or
has a per-capita gross national product of $10,000 or less.

The Fund's investment sub-advisor, Acadian Asset Management LLC ("Acadian") seeks absolute return. Acadian's strategy seeks to exploit the mispricing of risk within equities of emerging markets by building a diversified portfolio with predominately lower-volatility stocks. Acadian uses proprietary transaction cost and liquidity models designed to minimize market impact and manage turnover. Acadian seeks to manage volatility by selecting stocks for the Fund's portfolio whose total returns are not expected to fluctuate as dramatically as those of emerging markets equities as a whole and therefore may compound at a steadier pace over time.

The Fund may, at times, invest significantly in shares of Chinese companies listed on mainland China and Hong Kong exchanges as well as in American Depositary Receipts ("ADRs"). However, as the country allocation of the Fund's portfolio changes over time, the Fund's exposure to Chinese companies may be lower at a future date, and the Fund's exposure to other countries may be higher.

The Fund's equity investments may include common stocks, preferred stocks, securities convertible into or exchangeable for common stocks, depositary receipts, and real estate investment trusts ("REITs"). The Fund may invest in companies of all market capitalizations and convertible securities of any duration. At times, the Fund may use forwards or currency futures to hedge its foreign currency exposure.

The Fund may also invest cash balances in other investment companies, including money market funds and may purchase and sell futures contracts to gain market exposure on cash balances or reduce market exposure in anticipation of liquidity needs.

The Fund may lend its securities to broker-dealers and other institutions to earn additional income.

Principal Risks

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. The Fund is not designed for investors who need an assured level of current income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund, which are described in alphabetical order and not in order of importance or potential exposure, are:

Absolute Return Strategy Risk
The Fund uses a variety of investment strategies intended to achieve a positive total return. The sub-advisor does not attempt to keep the portfolio structure or the Fund's performance consistent with any designated stock, bond or market index, and during times of market rallies, the Fund may not perform as well as other funds that seek to outperform an index.

Allocation Risk
The sub-advisor's judgments about, and allocations among, asset classes and market exposures may adversely affect the Fund's performance. This risk may be increased by the use of derivatives to increase allocations to various market exposures.

China Investment Risk
Investing in securities of Chinese issuers, including A-Shares, involves certain risks and considerations not typically associated with investing in securities of U.S. issuers, including, among others, more frequent trading suspensions and government interventions (including by nationalization of assets), currency exchange rate fluctuations or blockages, limits on the use of brokers and on foreign ownership, different financial reporting standards, higher dependence on exports and international trade, potential for increased trade tariffs, embargoes and other trade limitations, and custody risks associated with programs used to access Chinese securities. Significant portions of the Chinese securities markets may become rapidly illiquid, as Chinese issuers have the ability to suspend the trading of their equity securities, and have shown a willingness to exercise that option in response to market volatility and other events.

Counterparty Risk
The Fund is subject to the risk that a party or participant to a transaction, such as a broker or derivative counterparty, will be unwilling or unable to satisfy its obligation to make timely principal, interest or settlement payments or to otherwise honor its obligations to the Fund.

Currency Risk
The Fund may have exposure to foreign currencies by making investments in securities denominated in non-U.S. currencies and by purchasing or selling forwards or currency futures contracts. Foreign currencies will fluctuate, and may decline, in value relative to the U.S. dollar and other currencies and thereby affect the Fund's investments in foreign (non-U.S.) currencies or in securities that trade in, and receive revenues in, or in derivatives that provide exposure to, foreign (non-U.S.) currencies.

Cybersecurity and Operational Risk
The Fund and its service providers, and shareholders' ability to transact with the Fund, may be negatively impacted due to operational risks arising from, among other problems: human errors, systems and technology disruptions or failures, or cybersecurity incidents. Cybersecurity incidents may allow an unauthorized party to gain access to Fund assets, customer data, or proprietary information, or cause the Fund or its service providers, as well as the securities trading venues and their service providers, to suffer data corruption or lose operational functionality. 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. Most issuers in which the Fund invests are heavily dependent on computers for data storage and operations, and require ready access to the internet to conduct their business. Thus, cybersecurity incidents could also affect issuers of securities in which the Fund invests, leading to significant loss of value.

Emerging Markets Risk
When investing in emerging markets, the risks of investing in foreign securities discussed below are heightened. Emerging markets are generally smaller, less developed, less liquid and more volatile than the securities markets of the U.S. and other developed markets. There are also risks of: greater political uncertainties; an economy's dependence on revenues from particular commodities or on international aid or development assistance; currency transfer restrictions; a limited number of potential buyers for such securities resulting in increased volatility and limited liquidity for emerging market securities; trading suspensions; and delays and disruptions in securities settlement procedures.

Equity Investments Risk
Equity securities are subject to investment and market risk. The Fund's investments in equity securities may include common stocks, preferred stocks, securities convertible into or exchangeable for common stocks, depositary receipts and REITs. Such investments may expose the Fund to additional risks.

Common Stock. 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.
Convertible Securities. Convertible securities are subject to the risk that the credit standing of the issuer may have an effect on the convertible securities' investment value. Convertible securities are also sensitive to movements in interest rates.
Depositary Receipts. Depositary receipts are subject to certain of the risks associated with investing directly in foreign securities, including, but not limited to, currency exchange rate fluctuations, political and financial instability in the home country of a particular depositary receipt, less liquidity and more volatility, less government regulation and supervision and delays in transaction settlement.
Preferred Stock. Preferred stocks are sensitive to movements in interest rates. Preferred stocks may be less liquid than common stocks and, unlike common stocks, participation in the growth of an issuer may be limited. Distributions on preferred stocks generally are payable at the discretion of an issuer and after required payments to bond holders.
REITs. Investments in REITs are subject to the risks associated with investing in the real estate industry, such as adverse developments affecting the real estate industry, and real property values. REITs also are dependent upon the skills of their managers and are subject to heavy cash flow dependency or self-liquidation. Domestic REITs could be adversely affected by failure to qualify for tax-free "pass-through" of distributed net income and net realized gains under the Internal Revenue Code of 1986, as amended ("Internal Revenue Code"), or to maintain their exemption from registration under the Investment Company Act of 1940, as amended ("Investment Company Act"). REITs typically incur fees that are separate from those incurred by the Fund. Accordingly, the Fund's investment in REITs will result in the layering of expenses such that shareholders will indirectly bear a proportionate share of the REITs' operating expenses, in addition to paying Fund expenses. The value of REIT common stock may decline when interest rates rise.

Foreign Currency Forward Contracts Risk
Foreign currency forward contracts, including non-deliverable forwards ("NDFs"), are derivative instruments pursuant to a contract with a counterparty to pay a fixed price for an agreed amount of securities or other underlying assets at an agreed date or to buy or sell a specific currency at a future date at a price set at the time of the contract. The use of foreign currency forward contracts may expose the Fund to additional risks that it would not be subject to if it invested directly in the securities or currencies underlying the foreign currency forward contract.

Foreign Investing Risk
Non-U.S. investments carry potential risks not associated with U.S. investments. Such risks include, but are not limited to: (1) currency exchange rate fluctuations, (2) political and financial instability, (3) less liquidity, (4) lack of uniform accounting, auditing and financial reporting standards, (5) increased volatility, (6) different government regulation and supervision of foreign stock exchanges, brokers and listed companies, and (7) delays in transaction settlement in some foreign markets.

Futures Contracts Risk
Futures contracts are derivative instruments 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 that it would not be subject to if it invested directly in the securities underlying those derivatives. Futures contracts may experience potentially dramatic price changes (losses) and imperfect correlation between the price of the contract and the underlying security or index 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).

Hedging Risk
If the Fund uses a hedging instrument at the wrong time or judges the market conditions incorrectly, or the hedged instrument does not correlate to the risk sought to be hedged, the hedge might be unsuccessful, reduce the Fund's return, or create a loss. In addition, hedges, even when successful in mitigating risk, may not prevent the Fund from experiencing losses on its investments, and therefore the use of hedging strategies may reduce the Fund's return, or create a loss.

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.

Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons which 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.

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 may be unable to attain the high growth rates of successful smaller companies, especially during periods of economic expansion.

Managed Volatility Strategy Risk
Securities purchased for the Fund may exhibit higher price volatility than anticipated and the Fund may not be less volatile than the market as a whole. In addition, the sub-advisor's managed volatility strategy may not consistently minimize market impact and reduce portfolio turnover. While the sub-advisor's managed volatility strategy may limit the Fund's downside risk over time, the Fund also may experience lesser gains in a rising market.

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. The value of a security may decline due to general market conditions which are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the general outlook for corporate earnings, changes in interest or currency rates or adverse investment sentiment generally. Changes in the financial condition of a single issuer can impact a market as a whole. A rise in protectionist trade policies, risks associated with the United Kingdom's vote to leave the European Union, the risk of a "trade war" between the United States and China, and the possibility of changes to some international trade agreements, could affect the economies of many nations, including the United States, in ways that cannot necessarily be foreseen at the present time.

Market Timing Risk
Because the Fund invests in foreign securities, or it has exposure to foreign securities through the derivatives it holds, it is particularly subject to the risk of market timing activities. Frequent trading by Fund shareholders poses risks to other shareholders in the Fund, including (i) the dilution of the Fund's net asset value ("NAV"), (ii) an increase in the Fund's expenses, and (iii) interference with the portfolio manager's ability to execute efficient investment strategies. Because of specific types of securities in which the Fund may invest, it could be subject to the risk of market timing activities by shareholders.

Model and Data Risk
Models and data 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. 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.

Other Investment Companies Risk
The Fund may invest in shares of other registered investment companies, including money market funds. 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 and will be subject to the risks associated with investments in those companies. For example, money market funds are subject to interest rate risk, credit risk, and market risk.

Sector Risk
When the Fund focuses its investments in certain sectors of the economy, its performance may be driven largely by sector performance and could fluctuate more widely than if the Fund were invested more evenly across sectors.

Securities Lending Risk
To the extent the Fund lends its securities, it may be subject to the following risks: i) borrowers of the Fund's securities typically provide collateral in the form of cash that is reinvested in securities, ii) the securities in which the collateral is invested may not perform sufficiently to cover the return collateral payments owed to borrowers, iii) delays may occur in the recovery of securities from borrowers, which could interfere with the Fund's ability to vote proxies or to settle transactions, and iv) there is the risk of possible loss of rights in the collateral should the borrower fail financially.

Securities Selection Risk
Securities selected by the sub-advisor or the Manager for the Fund may not perform to expectations. This could result in the Fund's underperformance compared to other funds with similar investment objectives.

Segregated Assets Risk
In connection with certain transactions that may give rise to future payment obligations, including futures and forward contracts, the Fund may be required to maintain a segregated amount of, or otherwise earmark, cash or liquid securities to cover the obligation. Segregated assets cannot be sold while the position they are covering is outstanding, unless they are replaced with other assets of equal value. The need to maintain cash or other liquid securities in segregated accounts could limit the Fund's ability to pursue other opportunities as they arise.

Small and Mid-Capitalization Companies Risk
Investing in the securities of small and mid-capitalization companies involves greater risk and the possibility of greater price volatility than investing in larger capitalization and more established companies. Since small and 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 expected changes in interest rates, borrowing costs and earnings. In general, these risks are greater for small-capitalization companies than for mid-capitalization companies.

Fund Performance

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 market index for the periods indicated.

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:
8.58% 1st Quarter 2017
1/01/2014 through 12/31/2018

Lowest Quarterly Return:
-12.51% 3rd Quarter 2015
1/01/2014 through 12/31/2018

The calendar year-to-date total return as of 3/31/2019 was 5.79%.

Average annual total returns for periods ended December 31, 2018

Average Annual Total Returns - (American Beacon Acadian Emerging Markets Managed Volatility Fund℠)	Inception Date of Class	1 Year	5 Years	Since Inception
Investor Class	Sep. 27, 2013	(4.49%)	1.45%	1.77%
Investor Class \| Returns After Taxes on Distributions	Sep. 27, 2013	(5.77%)	0.92%	1.26%
Investor Class \| Returns After Taxes on Distributions and Sales of Fund Shares	Sep. 27, 2013	(1.88%)	1.08%	1.33%
A Class	Sep. 27, 2013	(10.08%)	0.24%	0.59%
C Class	Sep. 27, 2013	(6.28%)	0.65%	0.95%
Y Class	Sep. 27, 2013	(4.19%)	1.74%	2.05%
Institutional Class	Sep. 27, 2013	(4.17%)	1.82%	2.14%
MSCI Emerging Markets Index (Reflects no deduction for fees expenses or taxes)		(14.58%)	1.65%	1.67%

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; after-tax returns for other share classes will vary.

(American Beacon Crescent Short Duration High Income Fund℠)

Investment Objective

The Fund's investment objective is high current income with capital appreciation as a secondary objective.

Fees and Expenses of the Fund

Shareholder Fees (fees paid directly from your investment)

Shareholder Fees - (American Beacon Crescent Short Duration High Income Fund℠)	A Class		C Class	Y Class	Institutional Class	Investor Class
Maximum sales charge imposed on purchases (as a percentage of offering price)	2.50%		none	none	none	none
Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)	0.50%	^[1]	1.00%	none	none	none

[1]	A contingent deferred sales charge ("CDSC") of 0.50% will be charged on certain purchases of $250,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.

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

Annual Fund Operating Expenses - (American Beacon Crescent Short Duration High Income Fund℠)		A Class	C Class	Y Class	Institutional Class	Investor Class
Management Fees		0.75%	0.75%	0.75%	0.75%	0.75%
Distribution (12b-1) Fees		0.25%	1.00%	none	none	none
Other Expenses		0.39%	0.42%	0.39%	0.33%	1.56%
Acquired Fund Fees and Expenses		0.01%	0.01%	0.01%	0.01%	0.01%
Total Annual Fund Operating Expenses	^[1]	1.40%	2.18%	1.15%	1.09%	2.32%
Fee Waiver and/or expense reimbursement	^[2]	(0.14%)	(0.17%)	(0.19%)	(0.23%)	(1.08%)
Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement		1.26%	2.01%	0.96%	0.86%	1.24%

[1]

The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund's Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.

[2]

American Beacon Advisors, Inc. (the "Manager") has contractually agreed to waive fees and/or reimburse expenses of the Fund's A Class, C Class, Y Class, Institutional Class and Investor Class shares, as applicable, through May 31, 2020 to the extent that Total Annual Fund Operating Expenses exceed 1.25% for the A Class, 2.00% for the C Class, 0.95% for the Y Class, 0.85% for the Institutional Class and 1.23% for the Investor Class (excluding taxes, interest, brokerage commissions, acquired fund fees and expenses, securities lending fees, expenses associated with securities sold short, litigation, and other extraordinary expenses). The contractual expense reimbursement can be changed or terminated only in the discretion and with the approval of a majority of the Fund's Board of Trustees. The Manager can be reimbursed by the Fund for any contractual fee waivers or expense reimbursements if reimbursement to the Manager (a) occurs within three years after the Manager's own waiver or reimbursement and (b) does not cause the Total Annual Fund Operating Expenses of a class to exceed the lesser of the contractual percentage limit in effect at the time of the waiver/reimbursement or the time of the recoupment.

Example

Expense Example - (American Beacon Crescent Short Duration High Income Fund℠) - USD ($)	1 Year	3 Years	5 Years	10 Years
A Class	375	669	984	1,876
C Class	304	666	1,154	2,500
Y Class	98	347	616	1,382
Institutional Class	88	324	579	1,308
Investor Class	126	621	1,142	2,573

Assuming no redemption of shares:

Expense Example, No Redemption - (American Beacon Crescent Short Duration High Income Fund℠)	1 Year	3 Years	5 Years	10 Years
C Class \| USD ($)	204	666	1,154	2,500

Portfolio Turnover

Principal Investment Strategies

Under normal circumstances, the Fund will invest primarily in high yield fixed income securities and bank loans that are rated below investment grade. The Fund considers investments to be below investment grade if they are rated BB+ or lower by S&P Global Ratings or Fitch, Inc. and/or Ba1 or lower by Moody's Investors Service, Inc., or, if unrated, deemed to be below investment grade by Crescent Capital Group LP ("Crescent Capital"), the Fund's sub-advisor. Below investment grade fixed income securities are commonly referred to as "junk bonds."

The fixed-income securities in which the Fund may invest include high yield bonds, corporate bonds, bank loans, senior loans, fixed or floating rate securities, and preferred stock of domestic or foreign issuers. The Fund also may invest in illiquid securities, including investments in private debt instruments. The Fund intends to maintain a dollar-weighted average duration of three years or less.

Crescent Capital's investment strategy is to tactically allocate among fixed and floating rate, secured and unsecured, and public and private credit investments to achieve a high level of current income regardless of the overall credit or interest rate environment. Crescent Capital's investment philosophy is based on a credit-intensive research process that seeks to exploit credit market inefficiencies. The sub-advisor seeks investment opportunities among different types of fixed income securities and a range of market sectors. Crescent Capital seeks to invest in fixed income securities issued by companies that demonstrate one or more of the following characteristics: (i) predictable demand and stable cash flows; (ii) competitive positions in well-defined market niches; (iii) sustainable margins, profitability and growth; (iv) strong financial and managerial controls; and (v) seasoned management teams.

The Fund may invest cash balances in other investment companies, including money market funds.

Principal Risks

There is no assurance that the Fund will achieve its investment objectives and you could lose part or all of your investment in the Fund. The Fund is not designed for investors who need an assured level of current income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund, which are described in alphabetical order and not in order of importance or potential exposure, are:

Allocation Risk
The sub-advisor's judgments about, and allocations among, asset classes and market exposures may adversely affect the Fund's performance.

Callable Securities Risk
The Fund may invest in fixed-income securities with call features. A call feature allows the issuer of the security to redeem or call the security prior to its stated maturity date. In periods of falling interest rates, issuers may be more likely to call in securities that are paying higher coupon rates than prevailing interest rates. In the event of a call, the Fund would lose the income that would have been earned to maturity on that security, and the proceeds received by the Fund may be invested in securities paying lower coupon rates and may not benefit from any increase in value that might otherwise result from declining interest rates.

Credit Risk
The Fund is subject to the risk that the issuer or guarantor of an obligation, or the counterparty to a transaction, including a derivatives contract or a loan will fail to make timely payment of interest or principal or otherwise honor its obligations or default completely. Credit risk is typically greater for securities with ratings that are below investment grade (commonly referred to as "junk bonds"). Since the Fund can invest significantly in lower-quality debt securities considered speculative in nature, this risk will be substantial. A downgrade or default affecting any of the Fund's securities could affect the Fund's performance.

Floating Rate Securities Risk
The coupons on floating rate securities are not fixed and may fluctuate based upon changes in market rates. The coupon on a floating rate security is generally based on an interest rate such as a money-market index, London Interbank Offered Rate ("LIBOR") or a Treasury bill rate. Floating rate securities are subject to interest rate risk and credit risk.

As short-term interest rates decline, the coupons on floating rate securities typically decrease. Alternatively, during periods of rising interest rates, the coupons on floating-rate securities typically increase. Changes in the coupons of floating rate securities may lag behind changes in market rates or may have limits on the maximum increases in the coupon rates. The value of floating rate securities may decline if their coupons do not rise as much, or as quickly, as interest rates in general. Floating rate securities will not generally increase in value if interest rates decline.

High Yield Securities Risk
Exposure to high yield, below investment-grade securities (commonly referred to as "junk bonds") generally involves significantly greater risks of loss of your money than an investment in investment grade securities. High yield debt securities may fluctuate more widely in price and yield and may fall in price when the economy is weak or expected to become weak. High yield securities are considered to be speculative with respect to an issuer's ability to pay interest and principal and carry a greater risk that the issuers of lower-rated securities will default on the timely payment of principal and interest. Below investment grade securities may experience greater price volatility and less liquidity than investment grade securities.

Illiquid and Restricted Securities Risk
Securities not registered in the U.S. under the Securities Act of 1933, as amended (the "Securities Act") or in non-U.S. markets pursuant to similar regulations, including Rule 144A securities, are restricted as to their resale. Such securities may not be listed on an exchange and may have no active trading market. They may be more difficult to purchase or sell at an advantageous time or price because such securities may not be readily marketable in broad public markets, or may have to be held for a certain time period before they can be resold. The Fund may not be able to sell a restricted security when the sub-advisor considers it desirable to do so and/or may have to sell the security at a lower price than the Fund believes is its fair market value. In addition, transaction costs may be higher for restricted securities and the Fund may receive only limited information regarding the issuer of a restricted security. The Fund may have to bear the expense of registering restricted securities for resale and the risk of substantial delays in effecting the registration.

Interest Rate Risk
The Fund is subject to the risk that the market value of fixed income securities it holds will decline due to rising interest rates. Generally, the value of investments with interest rate risk, such as fixed income securities, will move in the opposite direction to movements in interest rates. The Federal Reserve has raised the federal funds rate several times since December 2015 and may continue to increase rates in the future. Interest rates may rise, perhaps significantly and/or rapidly, potentially resulting in substantial losses to the Fund. The prices of fixed income securities are also affected by their durations. Fixed income securities with longer duration generally have greater sensitivity to changes in interest rates. For example, if a bond has a duration of three years, a 1% increase in interest rates could be expected to result in a 3% decrease in the value of the bond. An increase in interest rates can impact markets broadly as well. Some investors buy securities with borrowed money; an increase in interest rates can cause a decline in those markets.

Liquidity Risk
The Fund is susceptible to the risk that certain investments held by the Fund may have limited marketability or be subject to restrictions on sale, and may be difficult or impossible to purchase or sell at favorable times or prices. Market prices for such instruments may be volatile. The Fund could lose money if it is unable to dispose of an investment at a time that is most beneficial to the Fund. The Fund may be required to dispose of investments at unfavorable times or prices to satisfy obligations, which may result in losses or may be costly to the Fund. For example, liquidity risk may be magnified in rising interest rate environments due to higher than normal redemption rates. Unexpected redemptions may force the Fund to sell certain investments at unfavorable prices to meet redemption requests or other cash needs. Judgment plays a greater role in pricing illiquid investments than in investments with more active markets.

Loan Interests Risk
In making investments in bank loans or senior loans, the Fund will depend primarily on the creditworthiness of the borrower for payment of principal and interest, and will also rely on the financial institution to make principal and interest payments to the Fund once it receives payment on the underlying loan or to pursue appropriate remedies against a borrower in the event that the borrower defaults, which may expose the Fund to the credit risk of both the financial institution that made the loan and the underlying borrower. Unlike publicly traded common stocks which trade on national exchanges, there is no central place or exchange for loans, including bank loans and senior loans, to trade. Loans trade in an over-the-counter market, and confirmation and settlement, which are effected through standardized procedures and documentation, may take significantly longer than seven days to complete. Extended trade settlement periods may, in unusual market conditions with a high volume of shareholder redemptions, present a risk to shareholders regarding the Fund's ability to pay redemption proceeds within the allowable time periods stated in its prospectus. The secondary market for floating rate loans also may be subject to irregular trading activity and wide bid/ask spreads. The lack of an active trading market for certain loans may impair the ability of the Fund to sell its loan interests at a time when it may otherwise be desirable to do so or may require the Fund to sell them at prices that are less than what the Fund regards as their fair market value and may make it difficult to value such loans. Interests in loans made to finance highly leveraged companies or transactions, such as corporate acquisitions, may be especially vulnerable to adverse changes in economic or market conditions. The Fund may acquire a loan interest by obtaining an assignment of all or a portion of the interests in a particular loan that are held by an original lender or a prior assignee. As an assignee, the Fund normally will succeed to all rights and obligations of its assignor with respect to the portion of the loan that is being assigned. However, the rights and obligations acquired by the purchaser of a loan assignment may differ from, and be more limited than, those held by the original lenders or the assignor. Alternatively, the Fund may acquire a participation in a loan interest that is held by another party. When the Fund's loan interest is a participation, the Fund is subject to the risk that the party selling the participation interest will not remit the Fund's pro rata share of loan payments to the Fund, and the Fund may have less control over the exercise of remedies than the party selling the participation interest.

Market Risk
In recent periods, fixed income instruments have experienced unusual liquidity issues, increased price volatility and, in some cases, credit downgrades and increased likelihood of default. These events have reduced the willingness and ability of some lenders to extend credit, and have made it more difficult for some borrowers to obtain financing on attractive terms, if at all. In addition, global economies and financial markets are becoming increasingly interconnected, which increases the possibilities that conditions in one country or region might adversely impact issuers in a different country or region. A rise in protectionist trade policies, risks associated with the United Kingdom's vote to leave the European Union, the risk of a "trade war" between the United States and China, and the possibility of changes to some international trade agreements, could affect the economies of many nations, including the United States, in ways that cannot necessarily be foreseen at the present time. The severity or duration of adverse economic conditions may also be affected by policy changes made by governments or quasi-governmental organizations.

In addition, political and governmental events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree. High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. Because the impact on the markets has been widespread, it may be difficult to identify both risks and opportunities using past models of the interplay of market forces, or to predict the duration of these market conditions. Interest rates have been unusually low in recent years in the U.S. and abroad. Because there is little precedent for this situation, it is difficult to predict the impact on various markets of a significant rate increase, whether brought about by U.S. policy makers or by dislocations in world markets. In addition, there is a risk that the prices of goods and services in the U.S. and many foreign economies may decline over time, known as deflation (the opposite of inflation). Deflation may have an adverse effect on stock prices and creditworthiness and may make defaults on debt more likely.

Preferred Stock Risk
If interest rates rise, the dividend on preferred stocks may be less attractive, causing the price of preferred stocks to decline. The rights of preferred stock on distribution of a corporation's assets in the event of its liquidation are generally subordinated to the rights associated with a corporation's debt securities. In the event of an issuer's bankruptcy, there is significant risk that the value of the preferred stock will decline substantially after payments, if any, to bondholders have been made, potentially becoming worthless. Preferred stocks may be less liquid than common stocks and, unlike common stocks, participation in the growth of an issuer may be limited. Distributions on preferred stocks generally are payable at the discretion of an issuer and after required payments to bond holders. Preferred stocks may also be subject to Credit Risk.

Prepayment and Extension Risk
Prepayment risk is the risk that the principal amount of a bond may be repaid prior to the bond's maturity date. Due to a decline in interest rates or excess cash flow, a debt security may be called or otherwise prepaid before maturity. If this occurs, no additional interest will be paid on the investment and the Fund may have to invest at a lower rate, may not benefit from an increase in value that may result from declining interest rates, and may lose any premium it paid to acquire the security. Floating rate securities may be less sensitive to prepayment risk. Extension risk is the risk that a decrease in prepayments may, as a result of higher interest rates or other factors, result in the extension of a security's effective maturity, heighten interest rate risk and increase the potential for a decline in its price.

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. 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 heightened during periods of declining or illiquid markets. Heavy redemptions could hurt the Fund's performance.

Reliance on Corporate Management and Financial Reporting Risk
The sub-advisor may select investments for the Fund in part on the basis of information and data made directly available to the sub-advisor by the issuers of securities or through sources other than the issuers such as collateral pool servicers. The sub-advisor is dependent upon the integrity of the management of these issuers and of such servicers and the financial and collateral performance reporting processes in general.

Secured, Partially Secured and Unsecured Obligation Risk
Debt obligations may be secured, partially secured or unsecured. Interests in secured obligations have the benefit of collateral and, typically, of restrictive covenants limiting the ability of the borrower to further encumber its assets. However, there is no assurance that the liquidation of collateral from a secured obligation would satisfy the borrower's obligation, or that the collateral can be liquidated. Furthermore, there is a risk that the value of any collateral securing an obligation in which the Fund has an interest may decline and that the collateral may not be sufficient to cover the amount owed on the obligation. In the event the borrower defaults, the Fund's access to the collateral may be limited or delayed by bankruptcy or other insolvency laws. Unsecured debt, including senior unsecured and subordinated debt, will not be secured by any collateral and will be effectively subordinated to a borrower's secured indebtedness (to the extent of the collateral securing such indebtedness). With respect to unsecured obligations, the Fund lacks any collateral on which to foreclose to satisfy its claim in whole or in part. Such instruments generally have greater price volatility than that of fully secured holdings and may be less liquid.

Segregated Assets Risk
In connection with certain transactions that may give rise to future payment obligations, the Fund may be required to maintain a segregated amount of, or otherwise earmark, cash or liquid securities to cover the obligation. Segregated assets cannot be sold while the position they are covering is outstanding, unless they are replaced with other assets of equal value. The need to maintain cash or other liquid securities in segregated accounts could limit the Fund's ability to pursue other opportunities as they arise.

Unrated Securities Risk
Because the Fund may purchase securities that are not rated by any rating organization, the sub-advisor, after assessing their credit quality, may internally assign ratings to certain of those securities in categories similar to those of rating organizations. Some unrated securities may not have an active trading market or may be difficult to value, which means the Fund might have difficulty selling them promptly at an acceptable price. Unrated securities may be subject to greater liquidity risk and price volatility.

Valuation Risk
The Fund may value certain assets at a price different from the price at which they can be sold. This risk may be especially pronounced for investments that are illiquid or may become illiquid.

Fund Performance

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

Highest Quarterly Return:
3.66% 3rd Quarter 2016
1/01/2015 through 12/31/2018

Lowest Quarterly Return:
-4.00% 4th Quarter 2018
1/01/2015 through 12/31/2018

The calendar year-to-date total return as of 3/31/2019 was 4.71%.

Average annual total returns for periods ended December 31, 2018

Average Annual Total Returns - (American Beacon Crescent Short Duration High Income Fund℠)	Inception Date of Class	1 Year	Since Inception
Investor Class	Oct. 01, 2014	(2.16%)	1.95%
Investor Class \| Returns After Taxes on Distributions	Oct. 01, 2014	(4.03%)	(0.02%)
Investor Class \| Returns After Taxes on Distributions and Sales of Fund Shares	Oct. 01, 2014	(1.25%)	0.61%
A Class	Oct. 01, 2014	(4.80%)	1.23%
C Class	Oct. 01, 2014	(3.90%)	1.14%
Y Class	Oct. 01, 2014	(1.85%)	2.19%
Institutional Class	Oct. 01, 2014	(1.74%)	2.31%
ICE BofAML U.S High Yield Cash Pay BB-B 1-5 Year Index (Reflects no deduction for fees expenses or taxes)		0.69%	3.36%