X0708 D/A LIVE 0002076868 Arca Institutional U.S. Treasury Fund 4551 GLENCOE AVENUE MARINA DEL REY CA CALIFORNIA 90292 424-400-7444 DELAWARE None None Business Trust true 2025 Philip Y. Liu 4551 Glencoe Avenue Marina del Rey CA CALIFORNIA 90292 Director Trustee Bruce H. Park 4551 Glencoe Avenue Marina del Rey CA CALIFORNIA 90292 Director Trustee Daniel A. Strachman 4551 Glencoe Avenue Marina del Rey CA CALIFORNIA 90292 Director Trustee Michael Ceccato 4551 Glencoe Avenue Marina del Rey CA CALIFORNIA 90292 Director Trustee Pooled Investment Fund Hedge Fund false Decline to Disclose 06c 3C 3C.7 true 0002076868-25-000001 2025-07-15 true true false 0 Indefinite 98557849 Indefinite false 16 0 0 0 false Arca Institutional U.S. Treasury Fund Philip Liu Philip Liu Trustee 2026-07-17