X0708 D/A LIVE 0002129527 Altra Venture Opportunity Fund II LP 459 COLUMBUS AVENUE SUITE 502 NEW YORK NY NEW YORK 10024 646-450-8877 DELAWARE None None Limited Partnership true 2026 N/A Altra Venture Partners LLC 459 Columbus Avenue Suite 502 New York NY NEW YORK 10024 Executive Officer Investment Manager of the Issuer N/A Altra Venture Opportunity Fund II GP LLC 459 Columbus Avenue Suite 502 New York NY NEW YORK 10024 Executive Officer General Partner of the Issuer Jamie Melzer 459 Columbus Avenue Suite 502 New York NY NEW YORK 10024 Executive Officer Managing Member of the Issuer Pooled Investment Fund Venture Capital Fund false Decline to Disclose 06b 3C 3C.7 true 0002129527-26-000001 true true true true Limited Partnership Interests false 0 Indefinite 0 Indefinite false 0 0 true 0 true 0 true Altra Venture Opportunity Fund II GP LLC and certain persons listed in Item 3 may receive a management fee based on the value of the issuer's assets and/or a performance-based fee based on the issuer's profits. false Altra Venture Opportunity Fund II LP Jamie Melzer Jamie Melzer Managing Member of Altra Venture Opportunity Fund II GP LLC 2026-05-21