AM Institutional Ownership
Who owns Antero Midstream Corp and what the big funds did with it last quarter, from every SEC 13F filing. 535 funds reported holding AM at Jun 30, 2026, together owning 60.4% of the company.
- ●248 buying vs 217 selling
- ▲Held by funds +1.2 pts
- ▲Funds holding +18
- ▲Superinvestors: 3 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 535 | 517 | +3.5% |
| In funds' top 10 | 6 | 5 | +20.0% |
| 13F shares | 285M | 280M | +2.0% |
| Held by funds | 60.4% | 59.2% | +1.2 pts |
| New positions | 61 | 78 | −21.8% |
| Increased | 187 | 190 | −1.6% |
| Reduced | 176 | 155 | +13.5% |
| Sold out | 41 | 51 | −19.6% |
| Calls (shares) | 462K | 724K | −36.1% |
| Puts (shares) | 168K | 295K | −43.1% |
| Put/call ratio | 0.36 | 0.41 | −10.7% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AM
All superinvestors →
Who owns AM
share of fund held shares- Index and passive funds47.6%
- Active managers and hedge funds38.2%
- Banks and brokers11.0%
- Pensions, insurers and other3.2%
The top 10 holders own 51.7% of all AM shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
127 funds changed their position- Exchange Traded Concepts, LLCTrimmed−310K sh
- BI Asset Management Fondsmaeglerselskab A/SSold out−149K sh
- CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENTAdded+123K sh
- Eagle Global Advisors LLCAdded+114K sh
- Boston Trust Walden CorpAdded+100K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.09% | 38.2M | $869M | +1.1M |
| 2 | Invesco Ltd. | 4.39% | 20.7M | $472M | −810K |
| 3 | Vanguard Portfolio Management LLC | 3.85% | 18.2M | $414M | −107K |
| 4 | Vanguard Capital Management LLC | 3.17% | 15M | $340M | +150K |
| 5 | State Street Corp | 2.45% | 11.6M | $263M | −35K |
| 6 | Geode Capital Management, LLC | 2.19% | 10.4M | $236M | +462K |
| 7 | Tortoise Capital Advisors, L.l.c. | 2.16% | 10.2M | $232M | −976K |
| 8 | Dimensional Fund Advisors LP | 1.91% | 9M | $205M | −6,697 |
| 9 | Neuberger Berman Group LLC | 1.57% | 7.4M | $169M | +162K |
| 10 | Bank of New York Mellon Corp | 1.46% | 6.9M | $157M | −2.2M |
- Norges Bank+3.4M sh+$77.7M
- Covalis Capital LLP+2M sh+$46.6M
- BlackRock, Inc.+1.1M sh+$24.6M
- Goldman Sachs Group Inc+824K sh+$18.7M
- First Trust Advisors LP+792K sh+$18M
- Connor, Clark & Lunn Investment Management Ltd.+767K sh+$17.4M
- UBS Group AG+731K sh+$16.6M
- Bnp Paribas Financial Markets+603K sh+$13.7M
- Bank of New York Mellon Corp−2.2M sh−$50.3M
- Prudential Financial Inc−2.2M sh−$50.2M
- Kayne Anderson Capital Advisors LP−2.1M sh−$46.8M
- Tortoise Capital Advisors, L.l.c.−976K sh−$22.2M
- Invesco Ltd.−810K sh−$18.4M
- Fiera Capital Corp−680K sh−$15.5M
- HITE Hedge Asset Management LLC−675K sh−$15.3M
- Los Angeles Capital Management LLC−621K sh−$14.1M
AM institutional ownership FAQ
Who owns the most AM stock?
In Q2 2026 13F filings the largest holder of AM was BlackRock, Inc., followed by Invesco Ltd. and Vanguard Portfolio Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of AM is owned by institutions?
Funds that file 13F reports held 60.4% of AM's shares at Jun 30, 2026, compared with 59.2% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying AM?
In Q2 2026, 248 funds bought AM (61 of them new positions) and 217 sold (41 sold out completely). Among well known investors, 3 added and 0 cut. Our fund sentiment for AM is bullish.
What is AM's institutional put/call ratio?
Funds reported $3.8M of AM puts against $10.5M of calls, a put/call ratio of 0.36 (0.41 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this AM ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.