As filed with the U.S. Securities and Exchange Commission on December 23, 2025. Registration No. 333-290897 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________ AMENDMENT NO. 1 | Cayman Islands | 6770 | 98-1888010 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | | incorporation or organization) | Classification Code Number) | Identification Number) | 1345 Avenue of the Americas, Fl 47 New York, ...

As filed with the U.S. Securities and Exchange Commission on October 15, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________ FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ___________________________________ Bleichroeder Acquisition Corp. II (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices) ___________________________________ Andrew Gundlac ...