HCM Acquisition Corp is a SPAC — a blank check company with no operations, revenue, or identified acquisition target. Its sole purpose is to identify and merge with a private business, taking that business public outside of a traditional IPO process. HCM Acquisition raised $253M in its IPO in August 2025, selling units at $10.00 each. Those proceeds sit in a trust account invested in U.S. government securities or money market funds until a deal closes. The company is sponsored by HCM Investor Holdings III, affiliated with Hondius Capital Management, an SEC-registered investment adviser focused on macroeconomic themes. The sponsor received roughly 8.4M founder shares for a nominal ~$25,000 investment, representing approximately 25% of the post-IPO share count — the sponsor's primary economic incentive, known as the "promote." The sponsor also purchased $6.4M in private placement warrants alongside the IPO. HCM Acquisition's stated focus is acquiring an established, scaled business with a strong management team, with no formal industry or geography restrictions. Public shareholders can redeem shares at approximately $10.00 per share plus accrued interest if a deal is announced or if no deal closes within the required window. If no deal is completed, the company liquidates and returns trust proceeds to shareholders, and the sponsor forfeits its founder shares.