SCHEDULE 13G 0001088875 XXXXXXXX LIVE Ordinary Shares 06/30/2025 0001841125 Bolt Projects Holdings, Inc. 09769B107 2261 MARKET STREET, SUITE 5447 SAN FRANCISCO CA 94114 Rule 13d-1(b) BAILLIE GIFFORD & CO X0 123290.00 0.00 123290.00 0.00 123290.00 6.0 IA Bolt Projects Holdings, Inc. 2261 MARKET STREET, SUITE 5447, SAN FRANCISCO, CALIFORNIA, 94114 Baillie Gifford & Co Calton Square 1 Greenside Row Edinburgh EH1 3AN Scotland UK Scotland N FI Investment Adviser 123,290 5.98 123,290 0 123,290 0 Y N N Securities reported on this Schedule 13G as being beneficially owned by Baillie Gifford & Co. are held by Baillie Gifford & Co. and/or one or more of its investment adviser subsidiaries, which may include Baillie Gifford Overseas Limited, on behalf of investment advisory clients, which may include investment companies registered under the Investment Company Act, employee benefit plans, pension funds or other institutional clients. Securities representing more than 5% of the class are held on behalf of the Scottish Mortgage Investment Trust, a UK registered investment Company managed by Baillie Gifford & Co. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. BAILLIE GIFFORD & CO Grant Meikle 08/08/2025