X0708 D LIVE 0002114593 FCP Venture X QP LLC, Series XVIII 425 BROADHOLLOW ROAD SUITE 325 MELVILLE NY NEW YORK 11747 646-292-5001 DELAWARE None None Limited Liability Company true 2026 Joon Rhee 425 BROADHOLLOW ROAD SUITE 325 MELVILLE NY NEW YORK 11747 Executive Officer Manager of the Manager. Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false 2026-03-10 false true false 25000 Arete Wealth Management, LLC 44856 None None 1115 West Fulton Market 3rd Floor Chicago IL ILLINOIS 60607 All States true B. RILEY WEALTH MANAGEMENT, INC 2543 None None 40 SOUTH MAIN SUITE 1600 MEMPHIS TN TENNESSEE 38103 All States false Indefinite 61391000 Indefinite false 312 6139100 true 0 true 1534775 true Represents a management fee payable to FCP Partners LLC. false FCP Venture X QP LLC, Series XVIII /s/ Joon Rhee Joon Rhee Manager of the Manager 2026-05-15