Antero Midstream's ownership base consists of prominent institutional asset management firms, large mutual fund complexes, corporate insiders, and public retail investors. Major institutional entities holding substantial blocks of common stock include major global financial institutions like BlackRock, Vanguard Group, State Street Global Advisors, and various specialized energy investment funds. Additionally, corporate insiders and executives maintain notable direct and indirect equity stakes in the enterprise, aligning their financial interests closely with public shareholders to ensure disciplined governance, long-term capital efficiency, and steady operational execution.