The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
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hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 03-31-2024
Check here if Amendment    Amendment Number:
This Amendment (Check only one.):    is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: American Beacon Advisors, Inc.
Address: 220 EAST LAS COLINAS BOULEVARD
SUITE 1200
IRVING, TX  75039
Form 13F File Number: 028-14511
CRD Number (if applicable):
SEC File Number (if applicable):

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Rosemary K. Behan
Title: Secretary
Phone: 817-391-6170
Signature, Place, and Date of Signing:
Rosemary K. Behan IrvingTX 05-08-2024
[Signature] [City, State] [Date]
Report Type (Check only one.):
   13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
X 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
   13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
abrdn Investments Ltd 028-14936     0001544935
AHL Partners LLP 028-16037     0001598894
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 028-01091     0000052388
Aristotle Capital Management, LLC 028-02634     0000860644
ARK Investment Management LLC 028-17768     0001697748
BARROW HANLEY MEWHINNEY & STRAUSS LLC 028-01006     0000313028
Brandywine Global Investment Management, LLC 028-02204     0000829108
BRIDGEWAY CAPITAL MANAGEMENT, LLC 028-05563     0001107261
CAUSEWAY CAPITAL MANAGEMENT LLC 028-11728      
DEPRINCE RACE & ZOLLO INC 028-05268     0001008894
EAM Global Investors LLC 028-18801     0001741619
First Eagle Investment Management, LLC 028-11953     0001325447
GLG LLC 028-11672     0001352261
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 028-10068     0001164833
LAZARD ASSET MANAGEMENT LLC 028-10469     0001207017
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 028-04968     0000912938
Newton Investment Management North America, LLC 028-21404     0001891811
SHAPIRO CAPITAL MANAGEMENT LLC 028-10254     0001177244
SSI INVESTMENT MANAGEMENT LLC 028-04720     0000938487
Strategic Income Management, LLC 028-16390     0001540306
Stephens Investment Management Group LLC 028-11261     0001314440
LONDON CO OF VIRGINIA 028-10665     0001259887
WCM INVESTMENT MANAGEMENT, LLC 028-07104     0001061186