X0708 D/A LIVE 0002059924 ISQ Open Infrastructure Co LLC 600 BRICKELL AVENUE MIAMI FL FLORIDA 33131 786-693-5739 DELAWARE None None Limited Liability Company true 2025 n/a ISQ OpenInfra Registered Advisor LLC 600 Brickell Avenue Miami FL FLORIDA 33131 Promoter Manager of the Issuer Walid Chammah 600 Brickell Avenue Miami FL FLORIDA 33131 Executive Officer Director Brian Collett 600 Brickell Avenue Miami FL FLORIDA 33131 Executive Officer Director Irina Zilbergleyt 600 Brickell Avenue Miami FL FLORIDA 33131 Director Terrence Olson 600 Brickell Avenue Miami FL FLORIDA 33131 Director William Lee 600 Brickell Avenue Miami FL FLORIDA 33131 Director Dominic Spiri 600 Brickell Avenue Miami FL FLORIDA 33131 Executive Officer Starr Frohlich 600 Brickell Avenue Miami FL FLORIDA 33131 Executive Officer Jacob Moussa 600 Brickell Avenue Miami FL FLORIDA 33131 Executive Officer Trisha Miller 600 Brickell Avenue Miami FL FLORIDA 33131 Director Other Decline to Disclose 06b true 0002059924-25-000005 2025-09-02 true true true false 0 Morgan Stanley Smith Barney LLC 149777 Morgan Stanley Smith Barney LLC 149777 2000 Westchester Avenue Purchase NY NEW YORK 10577-2530 All States false J.P. Morgan Securities LLC 79 J.P. Morgan Securities LLC 79 383 Madison Avenue New York NY NEW YORK 10179 All States false Charles B. Harrison 3071551 H&L Equities LLC 113794 1175 Peachtree St., NE Suite 2200 Atlanta GA GEORGIA 30361-6206 FL FLORIDA GA GEORGIA TX TEXAS false Scott Harrison 4981070 H&L Equities LLC 113794 1175 Peachtree St., NE Suite 2200 Atlanta GA GEORGIA 30361-6206 FL FLORIDA GA GEORGIA TX TEXAS false Patrick J. Whelchel 5389090 H&L Equities LLC 113794 1175 Peachtree St., NE Suite 2200 Atlanta GA GEORGIA 30361-6206 FL FLORIDA GA GEORGIA TX TEXAS false Lori Mayfield 4899271 H&L Equities LLC 113794 1175 Peachtree St., NE Suite 2200 Atlanta GA GEORGIA 30361-6206 FL FLORIDA GA GEORGIA TX TEXAS false Privacore Capital, LLC 330893 Janus Henderson Distributors US LLC 28832 1411 Broadway Street New York NY NEW YORK 10018 All States false Indefinite 339311744 Indefinite false 1384 3260019 true 0 Reported commissions are estimated upfront payments made by investors directly to financial intermediaries. 0 false ISQ Open Infrastructure Co LLC Jacob Moussa Jacob Moussa Chief Operating Officer 2026-09-18