Antero Midstream Corp (AM) Institutional Ownership

Ownership Summary

Antero Midstream Corp (NYSE:AM) showed up in the 13F filings of 472 institutional investors as of December 2025.

• Their combined ownership stood at 57.2% of outstanding shares in December 2025, up from 56.2% in September 2025.
• Their total shares held in AM increased 3.48% from the prior quarter, while the number of investors in Antero Midstream increased 10.8% year over year.
• During the quarter, 229 of these 472 funds increased positions in AM, 168 reduced exposure, and 75 held steady.
• Altogether, these fund groups held 275.68Mn shares in AM by December 2025, up by 9.27Mn shares quarter on quarter, and down 4.8Mn shares year over year.
• As of December 31, 2025, BlackRock, Inc. held the largest stake in Antero Midstream with 37.12Mn shares, accounting for 7.7% of total shares outstanding.
• The largest buyers of Antero Midstream for the quarter ending December 2025 were VANGUARD PORTFOLIO MANAGEMENT LLC (18.3Mn), VANGUARD CAPITAL MANAGEMENT LLC (14.81Mn), ALLIANCEBERNSTEIN L.P. (3.33Mn), Prudential Financial Inc (2.59Mn), VANGUARD FIDUCIARY TRUST CO (2.06Mn).
• Leading sellers of Antero Midstream shares for the quarter ending December 2025 were BlackRock, Inc. (2.07Mn), Invesco Ltd. (1.89Mn), UBS Group AG (1.76Mn), Goldman Sachs Group Inc (1.7Mn), MILLER HOWARD INVESTMENTS INC /NY (839.53K).
• Antero Midstream's 10 largest shareholders as of December 2025 include BlackRock, Inc. (37.12Mn), Invesco Ltd. (21.56Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (18.3Mn), VANGUARD CAPITAL MANAGEMENT LLC (14.81Mn), State Street Corp (11.59Mn), TORTOISE CAPITAL ADVISORS, L.L.C. (11.16Mn), GEODE CAPITAL MANAGEMENT, LLC (9.9Mn), Bank of New York Mellon Corp (9.13Mn), DIMENSIONAL FUND ADVISORS LP (9.02Mn), Neuberger Berman Group LLC (7.27Mn) per Business Quant data.