X0708 D LIVE 0002156781 Spectrum XI Investment Managers' Fund, L.P. ONE INTERNATIONAL PLACE, 35TH FLOOR BOSTON MA MASSACHUSETTS 02110 617-464-4600 DELAWARE None None Limited Partnership true 2026 N/A SEA XI Management, LLC One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer General Partner of the Issuer John Connolly 140 New Montgomery 20th Floor San Francisco CA CALIFORNIA 94105 Executive Officer Managing Director of the General Partner Ronan Cunningham One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer Managing Director of the General Partner Michael W. Farrell One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer Managing Director of the General Partner Jeffrey C. Haywood One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer Managing Director of the General Partner Parag Khandelwal 107-113 Great Portland Street 3rd Floor London X0 UNITED KINGDOM W1W 6QG Executive Officer Managing Director of the General Partner Stephen M. LeSieur 140 New Montgomery 20th Floor San Francisco CA CALIFORNIA 94105 Executive Officer Managing Director of the General Partner Adam J. Margolin One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer Managing Director of the General Partner Christopher T. Mitchell One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer Managing Director of the General Partner Matthew Neidlinger 140 New Montgomery 20th Floor San Francisco CA CALIFORNIA 94105 Executive Officer Managing Director of the General Partner Leah J. Palmer 140 New Montgomery 20th Floor San Francisco CA CALIFORNIA 94105 Executive Officer Managing Director of the General Partner Michael Radonich One International Place 35th Floor Boston MA MASSACHUSETTS 02110 Executive Officer Managing Director of the General Partner Brian M. Regan 140 New Montgomery 20th Floor San Francisco CA CALIFORNIA 94105 Executive Officer Managing Director of the General Partner Benjamin C. Spero 140 New Montgomery 20th Floor San Francisco CA CALIFORNIA 94105 Executive Officer Managing Director of the General Partner Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.1 false 2026-09-30 false true false 0 4390250 4390250 0 false 32 0 0 0 true An affiliate of the General Partner of the Issuer will receive a fee for management services, calculated annually and based on a percentage of certain limited partner subscriptions. false Spectrum XI Investment Managers' Fund, L.P. /s/ Benjamin C. Spero Benjamin C. Spero Managing Director 2026-10-09