X0708 D LIVE 0002139080 CIV Opportunity Series Co-Invest I, L.P. - (Series 11) C/O CASTLE ISLAND MANAGEMENT, LLC 374 CONGRESS STREET, SUITE 301 BOSTON MA MASSACHUSETTS 02210 (508) 202-0432 DELAWARE None None Limited Partnership true N/A CIV Opportunity General Partner, LLC 374 Congress Street, Suite 301 Boston MA MASSACHUSETTS 02210 Promoter General Partner of the Issuer Pooled Investment Fund Venture Capital 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 Issuer's General Partner or an affiliate of the Issuer's General Partner may be entitled to receive a management fee in accordance with the Issuer's governing documentation, as amended from time to time. false CIV Opportunity Series Co-Invest I, L.P. - (Series 11) /s/ Matthew Walsh Matthew Walsh Managing Member of the General Partner of the Issuer 2026-06-24