X0708 D LIVE 0002162596 Blue Owl GP Stakes Mosaic Feeder LP 399 PARK AVENUE NEW YORK NY NEW YORK 10022 212-419-3000 DELAWARE None None Limited Partnership true 2026 Michael Rees 399 Park Avenue New York NY NEW YORK 10022 Executive Officer Andrew Laurino 399 Park Avenue New York NY NEW YORK 10022 Executive Officer Jennifer Brouse 399 Park Avenue New York NY NEW YORK 10022 Executive Officer Pooled Investment Fund Other Investment Fund false Decline to Disclose 06b 3C 3C.1 3C.7 false true false true false 0 Indefinite 0 Indefinite false 0 0 0 0 true The investment manager of the Issuer is entitled to a management fee. The management fee is discussed in the Issuer's confidential offering materials. false Blue Owl GP Stakes Mosaic Feeder LP Denise Brenner Denise Brenner Assistant Secretary of the GP of the Issuer 2026-10-28