X0202 SCHEDULE 13G 0002128044 XXXXXXXX LIVE Class A Ordinary Shares, $0.0001 par value 07/08/2026 0002128045 Bleichroeder Acquisition Corp. III G1170M106 1345 Avenue of the Americas Floor 47 New York NY 10105 Rule 13d-1(d) Bleichroeder Sponsor 3 LLC DE 0.00 11500000.00 0.00 11500000.00 11500000.00 N 25.0 OO (1) The shares reported above are Class B Ordinary Shares (as defined herein) that are convertible into Class A Ordinary Shares (as defined herein) on a one-for-on basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-296923). Andrew Gundlach X1 0.00 11500000.00 0.00 11500000.00 11500000.00 N 25.0 IN (1) The shares reported above are Class B Ordinary Shares that are convertible into Class A Ordinary Shares on a one-for-on basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-296923). Michel Combes I0 0.00 11500000.00 0.00 11500000.00 11500000.00 N 25.0 IN (1) The shares reported above are Class B Ordinary Shares that are convertible into Class A Ordinary Shares on a one-for-on basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-296923). Bleichroeder Acquisition Corp. III 1345 Avenue of the Americas, Floor 47, New York, NY 10105. This Schedule 13G is filed on behalf of: (i) Bleichroeder Sponsor 3 LLC, a Delaware limited liability company (the "Sponsor"), which is the holder of record of 11,500,000 Class B ordinary shares, $0.0001 par value per share, of the Issuer (the "Class B Ordinary Shares") that are convertible into Class A ordinary shares, $0.0001 par value per share, of the Issuer ("Class A Ordinary Shares") on a one-for-on basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-296923); (ii) Andrew Gundlach, the Executive Chairman of the Board of Directors, of the Issuer and a managing member of the Sponsor; and (iii) Michel Combes, one of the Issuer's Co-Founders and a managing member of the Sponsor, (collectively, the "Reporting Persons"). The Reporting Persons have entered into a Joint Filing Agreement, dated the date hereof, pursuant to which the Reporting Persons have agreed to file this statement and any subsequent amendments hereto jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (the "Act"). All disclosures herein with respect to any Reporting Person are made only by such Reporting Person. Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. The principal business office of each Reporting Person is c/o Bleichroeder Acquisition Corp. III, 1345 Avenue of the Americas, Floor 47, New York, NY 10105. The Sponsor is a Delaware limited liability company. Mr. Gundlach is a citizen of the United States. Mr. Combes is a citizen of France. Y See the response to row 9 of the Cover Page for each Reporting Person. Excludes 5,000,000 Class A Ordinary Shares issuable upon exercise of private placement warrants, held by the Sponsor, each exercisable to purchase one Class A Ordinary Share at $11.50 per share subject to adjustment, which are not exercisable within 60 days. Mr. Combes and Mr. Gundlach are the managing members of the Sponsor and hold voting and investment discretion with respect to the Class A Ordinary Shares held of record by the Sponsor. As such, each of Mr. Combes and Mr. Gundlach may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Each of Mr. Combes and Mr. Gundlach disclaims any beneficial ownership of the securities held of record by the Sponsor other than to the extent of any pecuniary interest they may have therein, directly or indirectly. See the response to row 11 of the Cover Page for each Reporting Person. Based on 46,000,000 ordinary shares of the Issuer, including 34,500,000 Class A Ordinary Shares and 11,500,000 Class B ordinary shares, $0.0001 par value, of the Issuer, outstanding upon the closing of the Issuer's initial public offering on July 8, 2026, as reported by the Issuer in its Form S-1, filed by the Issuer with the Securities and Exchange Commission on June 18, 2026. Mr. Combes and Mr. Gundlach are the managing members of the Sponsor and hold voting and investment discretion with respect to the Class A Ordinary Shares held of record by the Sponsor. As such, Mr. Combes and Mr. Gundlach may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Each of Mr. Combes and Mr. Gundlach disclaims any beneficial ownership of the securities held of record by the Sponsor other than to the extent of any pecuniary interest they may have therein, directly or indirectly. See the response to row 5 of the Cover Page for each Reporting Person. See the response to row 6 of the Cover Page for each Reporting Person. See the response to row 7 of the Cover Page for each Reporting Person. See the response to row 8 of the Cover Page for each Reporting Person. Y Y Y Y Y Y 99.1 - Joint Filing Agreement, July 14, 2026. Bleichroeder Sponsor 3 LLC /s/ Andrew Gundlach 07/14/2026 Andrew Gundlach /s/ Andrew Gundlach 07/14/2026 Michel Combes /s/ Michel Combes 07/14/2026