TABLE OF CONTENTS As filed with the Securities and Exchange Commission on April 13, 2026. Registration No. 333-294165 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Pershing Square Holdco, L.P. to be converted as described herein to a corporation named Pershing Square Inc. (State or Other Jurisdiction of Incorporation or Organization) (Exact Name of Registrant as Specified in its Charter) Nevada 6282 ...