As filed with the U.S. Securities and Exchange Commission on September 19, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BITGO HOLDINGS, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 6199 82-3998490 (I.R.S. Employer Identification Number) 2443 Ash Street Palo Alto, CA 9430 ...