M3-Brigade Acquisition VI Corp., a blank check company incorporated in June 2025 under the laws of the Cayman Islands and headquartered at 1700 Broadway, 19th Floor, New York, New York, focuses on effecting a merger, capital stock exchange, asset acquisition, share purchase, stock purchase, reorganization or similar business combination with one or more businesses, with a particular emphasis on the cryptocurrency and blockchain sectors targeting companies with enterprise values of at least $1 billion that demonstrate strong sustainability components; its securities include Class A ordinary shares, redeemable warrants exercisable at $11.50 per share 30 days post-business combination expiring five years thereafter, and units comprising one Class A ordinary share and one-third of a warrant. The company operates in the financial services industry within the shell companies segment, with proceeds from its securities held in a U.S. trust account for deployment in the initial business combination, which must occur within 24 months of its initial public offering closing or earlier as approved by the board; it provides public shareholders redemption rights upon business combination completion at a per-share price equal to trust account funds net of taxes divided by outstanding public shares, subject to limitations including restrictions on groups redeeming more than 15% of offering shares without consent. In recent developments, M3-Brigade Acquisition VI Corp. completed a $345 million initial public offering in August 2025, upsized from $300 million through the sale of 34.5 million units at $10 each on Nasdaq under MBVIU followed by separate trading of Class A ordinary shares (MBVI) and warrants (MBVIW) commencing October 17, 2025; simultaneously, it conducted a private placement of 5,333,333 warrants at $1.50 each to sponsor M3-Brigade Sponsor VI LLC and Cantor Fitzgerald & Co., generating $8 million, with sponsor founder shares issued at nominal cost and non-managing sponsor investors acquiring indirect interests; the company remains pre-combination with no identified targets or substantive discussions reported as of late 2025, led by Executive Chairman Mohsin Y. Meghji and CEO Matthew Perkal drawing on prior SPAC experience including successful mergers in energy and resources.