X0708 D LIVE 0002146043 InvestX Series (PROM-U1), a Series of InvestX Master LLC 19 FULTON STREET SUITE 300 NEW YORK NY NEW YORK 10038 212-390-9270 DELAWARE None None Limited Liability Company true 2026 null InvestX Asset Management LLC 19 Fulton Street Suite 300 New York NY NEW YORK 10038 Director Manager of the Issuer null InvestX Markets LLC 19 Fulton Street Suite 300 New York NY NEW YORK 10038 Promoter Affiliate of the Manager of the Issuer null Great Lakes Fund Solutions, Inc. 500 Park Avenue Suite 114 Lake Villa IL ILLINOIS 60046 Executive Officer Administrative Manager of the Issuer Robert McLamore c/o Great Lakes Fund Solutions, Inc. 500 Park Avenue, Suite 114 Lake Villa IL ILLINOIS 60046 Executive Officer Officer of the Administrative Manager of the Issuer Pooled Investment Fund Other Investment Fund false Decline to Disclose 06c 3C 3C.1 false 2026-07-17 false true false 75000 Alejandro Levy Schwed 6202422 InvestX Markets LLC 148248 19 Fulton Street Suite 300 New York NY NEW YORK 10038 CA CALIFORNIA FL FLORIDA false Indefinite 190000 Indefinite false 2 8550 true 0 The Issuer may require an investor brought by a registered broker-dealer to pay 4.5% of the investor's capital contribution to such broker-dealer. In addition, selling agents may receive a portion of the carried interest. 19000 true Represents a 3.0% upfront management fee and a 5.0% one-time upfront setup fee paid to the Manager, plus a 2.0% services fee payable to InvestX Master LLC. false InvestX Series (PROM-U1), a Series of InvestX Master LLC /s/ Marcus A. New Marcus A. New Authorized Signatory 2026-07-28