X0708 D/A LIVE 0002075573 Rockefeller Private Equity Select Opportunities Fund I-B LP 45 ROCKEFELLER PLAZA, FLOOR 5 NEW YORK NY NEW YORK 10111 (212) 549-5100 DELAWARE None None Limited Partnership true 2025 N/A RSOF I LLC 45 Rockefeller Plaza, Floor 5 New York NY NEW YORK 10111 Executive Officer General Partner of the Issuer N/A Rockefeller & Co. LLC 45 Rockefeller Plaza, Floor 5 New York NY NEW YORK 10111 Executive Officer Investment Manager of the Issuer Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.1 3C.7 true 0002075573-25-000003 2025-09-22 false true true false 0 Rockefeller Financial LLC 291361 None None 45 Rockefeller Plaza, Floor 5 New York NY NEW YORK 10111 All States false Indefinite 252900000 Indefinite The Total Amount Sold is aggregated between the Issuer and its related parallel fund. false 8 0 true 0 true Placement agent fees to be paid based upon a fee schedule. 0 true The general partner is entitled to carried interest. The investment manager is entitled to a management fee. Such carried interest and management fees are fully discussed in the Issuer's confidential offering materials. false Rockefeller Private Equity Select Opportunities Fund I-B LP Timothy J. McCarthy Timothy J. McCarthy Secretary of the GP of the Issuer 2026-09-17