X0202 SCHEDULE 13D/A 0002073844 XXXXXXXX LIVE 2 Class I, Class M, and Class S Units of Beneficial Interest 07/29/2026 false 0002097545 03116N203 03116N302 03116N104 AMG BBH Asset-Backed Credit Fund, LLC

680 Washington Boulevard Suite 500 Stamford CT 06901

Kavita Padiyar 617-747-3300 AMG New York Holdings Corp. 600 Hale Street Prides Crossing MA 01965 0002073844 N AMG New York Holdings Corp. WC N DE 1541762.06 0.00 1541762.06 0.00 1541762.06 N 59.9 CO Comment: Cover pages are limited to one class of security. The cover page of this Schedule 13D filing relates to the Class S Units of Beneficial Interest outstanding as of the date of this filing. This Schedule 13D relates to the following classes of securities of AMG BBH Asset-Backed Credit Fund, LLC a Delaware limited liability company registered under the Investment Company Act of 1940, as amended, as a closed-end, non-diversified, management investment company (the "Issuer"): Class I Units of Beneficial Interest (the "Class I Units") with CUSIP 03116N203, Class M Units of Beneficial Interest (the "Class M Units") with CUSIP 03116N302, and Class S Units of Beneficial Interest (the "Class S Units") with CUSIP 03116N104. As of the date hereof, AMG New York Holdings Corp. directly owns 10,000 Class I Units representing 100% of the Class I Units outstanding; 10,000 Class M Units representing 100% of the Class M Units outstanding; and 1,541,762.062 Class S Units representing 59.87% of the Class S Units outstanding. This comment shall serve as full disclosure of the beneficial ownership of the securities of the Issuer. See item 5. Class I, Class M, and Class S Units of Beneficial Interest AMG BBH Asset-Backed Credit Fund, LLC 680 Washington Boulevard Suite 500 Stamford CT 06901 This Amendment No. 2 ("Amendment No. 2") amends and supplements the initial Schedule 13D filed with the Securities and Exchange Commission on July 14, 2026, as amended by Amendment No. 1 filed with the Securities and Exchange Commission on July 24, 2026 (the "Schedule 13D"), relating to units of beneficial interest of AMG BBH Asset-Backed Credit Fund, LLC, a Delaware limited liability company registered under the Investment Company Act of 1940, as amended, as a closed-end, non-diversified, management investment company (the "Issuer"), designated as the Class I Units of Beneficial Interest (the "Class I Units"), Class M Units of Beneficial Interest (the "Class M Units") and Class S Units of Beneficial Interest (the "Class S Units" and collectively, the "Units") of the Issuer. Except as set forth herein, the Schedule 13D remains in full force and effect. Each capitalized term used but not defined herein has the meaning ascribed to such term in the Schedule 13D. Item 3 of the Schedule 13D is hereby amended and supplemented to add the following: On July 29, 2026, the Issuer issued 81,859.825 Class S Units to the Reporting Person for an aggregate purchase price of: $897,363.20, or $10.962193 per Class S Unit. The Class S Units were purchased using working capital of the Reporting Person. Items 5(a)-(c) of the Schedule 13D are hereby amended and restated in their entirety as follows: The information set forth in Items 3 and 6 of the Schedule 13D is hereby incorporated by reference into this Item 5. As of the date hereof, the Reporting Person directly owns 10,000 Class I Units representing 100% of the Class I Units outstanding; 10,000 Class M Units representing 100% of the Class M Units outstanding; and 1,541,762.062 Class S Units representing 59.87% of the Class S Units outstanding. Calculation of the percentage of Class S Units beneficially owned is based on 2,575,052.696 Class S Units outstanding as of the date hereof, as disclosed by the Issuer to the Reporting Person. See 5(a) above. Information set forth under Item 3 of the Schedule 13D is incorporated by reference herein. Except as set forth in the Schedule 13D, the Reporting Person has not effected any transaction in the Class I, M or S Units since the filing of Amendment No. 1 with the Securities and Exchange Commission on July 24, 2026. AMG New York Holdings Corp. By: /s/ Kavita Padiyar 07/31/2026