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Prospectus:

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Supplement Text Block

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Supplement dated April 7, 2017, to the following summary prospectuses and prospectuses:

American Beacon Bridgeway Large Cap Growth Fund

Summary Prospectus and Prospectus dated October 28, 2016

American Beacon Acadian Emerging Markets Managed Volatility Fund

American Beacon Crescent Short Duration High Income Fund

American Beacon Global Evolution Frontier Markets Income Fund

American Beacon Grosvenor Long/Short Fund

American Beacon SGA Global Growth Fund

Summary Prospectuses and Prospectuses dated May 29, 2016

American Beacon GLG Total Return Fund

Summary Prospectus and Prospectus dated May 20, 2016

American Beacon AHL Managed Futures Strategy Fund

American Beacon Bahl & Gaynor Small Cap Growth Fund

American Beacon Bridgeway Large Cap Value Fund

American Beacon Holland Large Cap Growth Fund

American Beacon Stephens Mid-Cap Growth Fund

American Beacon Stephens Small Cap Growth Fund

Summary Prospectuses and Prospectuses dated April 29, 2016, each as supplemented on May 27, 2016

American Beacon Ionic Strategic Arbitrage Fund

Summary Prospectus and Prospectus dated April 29, 2016, each as supplemented on May 3 and May 27, 2016

American Beacon SiM High Yield Opportunities Fund

American Beacon Sound Point Floating Rate Income Fund

American Beacon The London Company Income Equity Fund

American Beacon Zebra Small Cap Equity Fund

Summary Prospectuses and Prospectuses dated December 29, 2016

American Beacon Balanced Fund

American Beacon International Equity Fund

American Beacon Large Cap Value Fund

American Beacon Mid-Cap Value Fund

American Beacon Small Cap Value Fund

Summary Prospectuses and Prospectus dated February 28, 2017

II. All Funds - Scheduled Sales Charge Variations

1. In the "Fund Summary - Fees and Expenses of the Fund" section, the following sentence shall be inserted at the end of the first paragraph:

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".

(American Beacon Funds - Supplement) | (American Beacon Bridgeway Large Cap Growth Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Acadian Emerging Markets Managed Volatility Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Crescent Short Duration High Income Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Global Evolution Frontier Markets Income Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Grosvenor Long/Short Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon SGA Global Growth Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon GLG Total Return Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon AHL Managed Futures Strategy Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Bahl & Gaynor Small Cap Growth Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Bridgeway Large Cap Value Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Holland Large Cap Growth Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Stephens Mid-Cap Growth Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Stephens Small Cap Growth Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Ionic Strategic Arbitrage Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon SiM High Yield Opportunities Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Sound Point Floating Rate Income Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon The London Company Income Equity Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Zebra Small Cap Equity Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Balanced Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon International Equity Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Large Cap Value Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Mid-Cap Value Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".

(American Beacon Funds - Supplement) | (American Beacon Small Cap Value Fund)

Prospectus:

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Expense Narrative [Text Block]

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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".