Altimar Acquisition Corp. III (NASDAQ: ATAQ) was a blank-check company sponsored by HPS Investment Partners, a global credit-focused investment manager. The SPAC completed its initial public offering in 2021, targeting opportunities in financial services and financial technology. ATAQ filed a Form 15-12G with the SEC on October 2, 2023, signaling the termination of its registration under the Exchange Act — an action typically associated with liquidation after a SPAC fails to consummate a business combination within its allotted window. The filing represents the conclusion of ATAQ's lifecycle as a public shell entity. Visit SpacDesk and sign up for full data, filings history, and sponsor-level analytics on ATAQ and the entire Altimar SPAC series.