Bain Capital GSS Investment Corp. is a SPAC — a blank check company with no operations, employees, or identified acquisition target. Its sole purpose is to identify and complete a merger or acquisition with a private business, thereby taking that business public. The company raised $460M in its October 2025 IPO, with proceeds held in a trust account earning interest until a deal closes. The sponsor is Bain Capital GSS Investment Sponsor LLC, controlled by partners of Bain Capital Special Situations, a Bain Capital business unit with over $22B in assets under management focused on flexible capital solutions including growth equity, PIPEs, and control and non-control equity investments. The sponsor earns its return through "the promote": it acquired roughly 11.5M founder shares at a nominal price, representing approximately 20% of post-IPO shares. If a deal closes, those shares become valuable; if no deal closes, they are worthless and public investors get their trust account money back at approximately $10.00 per share. Public investors also receive warrant coverage exercisable at $11.50 per share, providing upside if the acquired company performs well post-combination. The SPAC has not identified a target and has not begun substantive discussions with any acquisition candidates.