X0708 D LIVE 0002161138 Goodfin Venture CXXXI, a series of Goodfin Master LLC 1223 WILSHIRE BLVD UNIT 496 SANTA MONICA CA CALIFORNIA 90403 6462839175 DELAWARE None None Limited Liability Company true 2026 LLC GoodFin Capital 1223 Wilshire Blvd Unit 496 Santa Monica CA CALIFORNIA 90403 Executive Officer Manager of the Issuer Anna Joo Fee 1223 Wilshire Blvd Unit 496 Santa Monica CA CALIFORNIA 90403 Executive Officer Manager Representative of GoodFin Capital LLC, the Manager of the Issuer Pooled Investment Fund Venture Capital Fund false Decline to Disclose 06b 3C 3C.1 false 2026-09-18 false true false 0 468000 468000 0 false 11 0 0 5500 This amount represents a cost to cover fund organizational and operating expenses false Goodfin Venture CXXXI, a series of Goodfin Master LLC Anna Joo Fee Anna Joo Fee President of GoodFin Capital LLC 2026-10-20