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Prospectus:

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Supplement Text Block

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American Beacon ARK Disruptive Innovation Fund

Supplement dated April 26, 2017

to the

Prospectus and Statement of Additional Information dated January 27, 2017

The information below supplements the Prospectus and Statement of Additional Information, each dated January 27, 2017

Effective immediately, the Prospectus and Statement of Additional Information are amended to reflect that the name of American Beacon ARK Disruptive Innovation Fund has changed to American Beacon ARK Transformational Innovation Fund.