Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 37.1M | $846.3M | -5.3% | 7.815% | 0.01% |
| 2 | Invesco Ltd. | 21.6M | $491.5M | -8.1% | 4.538% | 0.08% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 18.3M | $417.2M | — | 3.853% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 14.8M | $337.7M | — | 3.118% | 0.01% |
| 5 | STATE STREET CORP | 11.6M | $264.3M | +2.3% | 2.441% | 0.01% |
| 6 | TORTOISE CAPITAL ADVISORS, L.L.C. | 11.2M | $254.4M | -2.1% | 2.349% | 2.65% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 9.9M | $225.7M | -5.5% | 2.084% | 0.01% |
| 8 | Bank of New York Mellon Corp | 9.1M | $208.1M | +11.2% | 1.922% | 0.04% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 9.0M | $205.6M | -2.4% | 1.898% | 0.04% |
| 10 | Neuberger Berman Group LLC | 7.3M | $165.8M | -2.2% | 1.531% | 0.13% |
| 11 | MORGAN STANLEY | 6.3M | $142.6M | +3.7% | 1.317% | 0.01% |
| 12 | KAYNE ANDERSON CAPITAL ADVISORS LP | 4.2M | $96.9M | -6.3% | 0.894% | 1.86% |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.9M | $89.8M | +2.5% | 0.829% | 0.01% |
| 14 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 3.9M | $89.0M | -3.6% | 0.822% | 0.12% |
| 15 | Clearbridge Investments, LLC | 3.7M | $85.3M | +2.9% | 0.788% | 0.07% |
| 16 | NORTHERN TRUST CORP | 3.7M | $85.1M | -0.2% | 0.786% | 0.01% |
| 17 | Boston Trust Walden Corp | 3.4M | $78.2M | -7.4% | 0.722% | 0.64% |
| 18 | ALLIANCEBERNSTEIN L.P. | 3.8M | $68.0M | +676.5% | 0.805% | 0.02% |
| 19 | Blackstone Inc | 2.8M | $64.1M | +0.5% | 0.592% | 0.27% |
| 20 | Qube Research & Technologies Ltd | 2.6M | $59.9M | +2.6% | 0.553% | 0.07% |
| 21 | PRUDENTIAL FINANCIAL INC | 2.6M | $59.5M | +12678.6% | 0.549% | 0.07% |
| 22 | Clark Capital Management Group, Inc. | 2.6M | $58.2M | +279.3% | 0.537% | 0.36% |
| 23 | WESTWOOD HOLDINGS GROUP INC | 2.3M | $53.0M | -12.1% | 0.489% | 0.39% |
| 24 | Orbis Allan Gray Ltd | 2.3M | $51.6M | +60.5% | 0.476% | 0.22% |
| 25 | BNP PARIBAS ARBITRAGE, SA | 2.3M | $51.5M | +41.8% | 0.476% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AM — a direct measure of their conviction.
Filings activity in AM during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 494 | +4.4% | 60.04% | +13.04 pp | $6.18B | +28% |
| Q4 2025 | 473 | +5.1% | 47.00% | 2.58 pp | $4.84B | 5.2% |
| Q3 2025 | 450 | 3.0% | 49.58% | 3.55 pp | $5.10B | 6.7% |
| Q2 2025 | 464 | +5.0% | 53.13% | +8.89 pp | $5.47B | +20% |
| Q1 2025 | 442 | +3.8% | 44.24% | +2.24 pp | $4.55B | +5.3% |
| Q4 2024 | 426 | +4.2% | 42.00% | +5.23 pp | $4.32B | +14% |
| Q3 2024 | 409 | +0.7% | 36.77% | 4.95 pp | $3.78B | 12% |
| Q2 2024 | 406 | — | 41.72% | — | $4.29B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AM stock.
Based on Q1 2026 13F filings, institutional ownership of Antero Midstream Corporation stands at 60.0%, held across 494 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of AM, with approximately 37,117,209 shares worth $0.85B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of AM.
Our composite Smart Money Score for AM is 49 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
84 institutions opened new positions in AM during Q1 2026, while 63 fully exited. 351 added to existing positions and 57 trimmed.
AM institutional ownership rose by 13.04 percentage points quarter-over-quarter, with a net change of +21 holders.
The top 10 institutions account for 55.3% of all reported 13F value in AM, and the top 25 account for 73.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.