Antero Midstream
AM · NYSE
$20.57+$0.08 (+0.39%)TodayMarket closed ·
Prev close $20.49
Who owns AM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 56.6% of AM’s shares.
- Antero Resources Investment, L.L.C.29.3%
- BlackRock Institutional Trust Company, N.A.6.7%
- Vanguard Portfolio Management, LLC3.8%
- Invesco Advisers, Inc.3.4%
- Next 6 largest institutions13.4%
- All other shareholders43.4%
| Holder | Shares | % of shares |
|---|---|---|
| Antero Resources Investment, L.L.C. | 139.17M | 29.32% |
| BlackRock Institutional Trust Company, N.A. | 31.63M | 6.66% |
| Vanguard Portfolio Management, LLC | 18.19M | 3.83% |
| Invesco Advisers, Inc. | 16.29M | 3.43% |
| Vanguard Capital Management, LLC | 14.96M | 3.15% |
| State Street Investment Management (US) | 11.56M | 2.44% |
| Geode Capital Management, L.L.C. | 10.36M | 2.18% |
| Tortoise Capital Advisors, LLC | 10.18M | 2.15% |
| Dimensional Fund Advisors, L.P. | 9.01M | 1.90% |
| Neuberger Berman, LLC | 7.43M | 1.57% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Invesco SteelPath MLP Income Fund | 11.91M | 2.51% |
| iShares Core S&P Mid-Cap ETF | 11.64M | 2.45% |
| Vanguard Total Stock Market Index Fund | 10.58M | 2.23% |
| Tortoise Energy Infrastructure Total Return Fd | 8.25M | 1.74% |
| Vanguard Small-Cap Index Fund | 7.65M | 1.61% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $4.17M (4 trades) of AM on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Munoz Jeffrey S. | Award | 2.02K | — |
| Chisholm Nancy | Award | 2.02K | — |
| Keenan W Howard JR | Award | 2.02K | — |
| MCARDLE JANINE J | Award | 2.02K | — |
| KLIMLEY BROOKS J | Award | 2.02K | — |
| MOLLENKOPF JOHN C | Award | 2.02K | — |
| KEYTE DAVID H | Award | 3.41K | — |
| DEA PETER A | Award | 2.02K | — |
| KLIMLEY BROOKS J | Sale | 5.00K | $106.35K |
| Pearce Sheri | Sale | 16.00K | $352.16K |
Short interest
Settled Sep 30, 2026
- Shares short
- 12.29M
- Days to cover
- 4.20
- % of shares outstanding
- 2.59%
- Average daily volume
- 2.93M
- Change since last report
- +1.7%
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