X0708 D/A LIVE 0001742371 ECP Opportunity Fund LLC 100 Shoreline Highway Suite B-210 MILL VALLEY CA CALIFORNIA 94941 (415) 269-3092 DELAWARE None None Limited Liability Company true Leonard Hochschild 100 Shoreline Highway Suite B-210 Mill Valley CA CALIFORNIA 94941 Executive Officer Managing Member of Environmental Commodity Partners LP, the Issuer's Manager. Alex Rau 100 Shoreline Highway Suite B-210 Mill Valley CA CALIFORNIA 94941 Executive Officer Managing Member of Environmental Commodity Partners LP, the Issuer's Manager. Blake Schaefer 100 Shoreline Highway Suite B-210 Mill Valley CA CALIFORNIA 94941 Executive Officer Managing Member of Environmental Commodity Partners LP, the Issuer's Manager. Tyler Broehm 100 Shoreline Highway Suite B-210 Mill Valley CA CALIFORNIA 94941 Executive Officer CFO of the Issuer's Investment Manager. Remy Ruiz 100 Shoreline Highway Suite B-210 Mill Valley CA CALIFORNIA 94941 Executive Officer COO of the Issuer's Investment Manager. Pooled Investment Fund Hedge Fund false Decline to Disclose 06b true 0001742371-25-000003 2018-05-01 true true false 100000 Thales Capital Partners LLC 172125 None None 540 MADISON AVENUE 4TH FLOOR NEW YORK NY NEW YORK 10022 All States false Indefinite 40295000 Indefinite false 67 155000 true 0 0 false ECP Opportunity Fund LLC /s/ Tyler Broehm Tyler Broehm CFO of the Issuer's Investment Manager 2026-10-06