Antero Midstream
464 hedge funds and large institutions have $5.23B invested in Antero Midstream in 2025 Q3 according to their latest regulatory filings, with 49 funds opening new positions, 160 increasing their positions, 171 reducing their positions, and 58 closing their positions.
221% more call options, than puts
Call options by funds: $68M | Put options by funds: $21.2M
0% more capital invested
Capital invested by funds: $5.23B → $5.23B (+$3.77M)
6% less repeat investments, than reductions
Existing positions increased: 160 | Existing positions reduced: 171
1.33% less ownership
Funds ownership: 57.57% → 56.24% (-1.3%)
3% less funds holding
Funds holding: 479 → 464 (-15)
16% less first-time investments, than exits
New positions opened: 49 | Existing positions closed: 58
17% less funds holding in top 10
Funds holding in top 10: 6 → 5 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Geode Capital Management
Boston,
Massachusetts
|
+$57.7M |
| 2 |
BC
Brookfield Corp
Toronto,
Ontario, Canada
|
+$33.8M |
| 3 |
Bank of New York Mellon
New York
|
+$25.8M |
| 4 |
SCM
SIR Capital Management
New York
|
+$22.9M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$15.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
-$48.2M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$37.9M |
| 3 |
Millennium Management
New York
|
-$29.3M |
| 4 |
Goldman Sachs
New York
|
-$25.9M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$14.7M |
AM Hedge Fund Activity: Q3 2025 in Review
464 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Antero Midstream (AM) for Q3 2025, worth a combined $5.23B — up 0.07% from $5.23B a quarter earlier.
Sellers outnumbered buyers: 58 funds closed out of AM and 49 opened new positions — a net loss of 9 holders — while 171 trimmed existing stakes and 160 added.
The largest buyer was Geode Capital Management, adding an estimated $57.7M. The largest seller was Invesco, cutting an estimated $48.2M.
- 464 institutional investors held Antero Midstream (AM) as of Q3 2025, down from 479 in Q2 2025.
- Funds reported $5.23B of Antero Midstream stock for Q3 2025, up 0.07% quarter-over-quarter.
- 49 funds opened new Antero Midstream positions in Q3 2025 and 58 closed out, a net change of -9 holders.
- The largest Antero Midstream buyer in Q3 2025 was Geode Capital Management, an estimated $57.7M added.
- The largest Antero Midstream seller in Q3 2025 was Invesco, an estimated $48.2M sold.
Based on aggregated 13F filings for Q3 2025.