KPET Ultra Paceline Corporation is a blank check company incorporated in 2025 and headquartered at 5109 S. Broadband Lane, Sioux Falls, South Dakota, 57108, United States, that was formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses; the company operates within the financials sector, specifically in the shell companies industry under asset management and custody banks, and targets one or more operating businesses or assets for acquisition rather than producing commercial products or services. In March 2026, KPET Ultra Paceline Corporation priced its initial public offering of 20,000,000 units at $10.00 per unit, raising a total deal size of $200.0 million, with each unit consisting of one Class A ordinary share and one-sixth of one redeemable warrant, where each whole warrant entitles the holder to purchase one Class A ordinary share at an exercise price of $11.50 per share; the units were listed on the New York Stock Exchange under the ticker symbol KPET.U beginning March 31, 2026, with Deutsche Bank Securities Inc. acting as sole book-running manager and the underwriter granted a 45-day option to purchase up to an additional 3,000,000 units at the IPO price. On May 21, 2026, the company announced that holders of the units sold in its initial public offering may elect to separately trade the Class A ordinary shares and warrants included in the units, with the Class A ordinary shares trading under the symbol KPET and the warrants trading under KPET.WS on the NYSE, while units not separated continue trading under KPET.U; this separate trading commenced May 21, 2026, following the SEC declaration of effectiveness of the registration statement on March 30, 2026. The company's leadership includes Karl Peterson as Chief Executive Officer and Eduardo Tamraz as President and Chief Financial Officer, and as of May 2026, KPET Ultra Paceline Corporation has a market capitalization of approximately $287.5 million to $290.95 million with roughly 28.99 million shares outstanding.