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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.

New
Increased
Maintained
Reduced
Closed

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: 479464 (-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: 65 (-1)

Holders
464
Holders Change
-15
Holders Change %
-3.13%
% of All Funds
6.09%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.07%
New
49
Increased
160
Reduced
171
Closed
58
Calls
$68M
Puts
$21.2M
Net Calls
+$46.8M
Net Calls Change
+$4.04M
Name Holding Trade Value Shares
Change
Change in
Stake
COPPSERS
176
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.67M -$4.05K -224 -0.3%
KK
177
KLP Kapitalforvaltning
Norway
$1.62M +$59.6K +3,300 +4%
KIM
178
Kestra Investment Management
Texas
$1.61M -$1.95M -108,069 -57%
Osaic Holdings
179
Osaic Holdings
Arizona
$1.61M +$663K +36,698 +76%
VI
180
Versor Investments
New York
$1.61M +$1.49M +82,600 New
TI
181
Tidal Investments
Wisconsin
$1.6M +$1.05M +58,098 +241%
CIBC Private Wealth Group
182
CIBC Private Wealth Group
Georgia
$1.57M -$4.21M -232,961 -74%
State of Tennessee, Department of Treasury
183
State of Tennessee, Department of Treasury
Tennessee
$1.56M
SOMRS
184
State of Michigan Retirement System
Michigan
$1.55M -$16.3K -900 -1%
FCBT
185
First Citizens Bank & Trust
North Carolina
$1.53M +$70.3K +3,888 +5%
GIM
186
Glenmede Investment Management
Pennsylvania
$1.51M +$16.2K +896 +1%
Teacher Retirement System of Texas
187
Teacher Retirement System of Texas
Texas
$1.49M -$17K -941 -1%
NMIMC
188
Northwestern Mutual Investment Management Company
Wisconsin
$1.45M -$4.3K -238 -0.3%
Envestnet Portfolio Solutions
189
Envestnet Portfolio Solutions
Illinois
$1.44M -$82.5K -4,568 -6%
Allianz Asset Management
190
Allianz Asset Management
Germany
$1.44M +$160K +8,844 +14%
FDCDDQ
191
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.43M +$455K +25,167 +52%
Kovitz Investment Group Partners
192
Kovitz Investment Group Partners
Illinois
$1.39M +$603K +33,398 +88%
NMERB
193
New Mexico Educational Retirement Board
New Mexico
$1.33M
OPERF
194
Oregon Public Employees Retirement Fund
Oregon
$1.31M -$14.5K -800 -1%
SPIA
195
Steward Partners Investment Advisory
New York
$1.27M -$15.3K -845 -1%
ZIG
196
Zurich Insurance Group
Switzerland
$1.27M +$1.18M +65,200 New
VPIM
197
Vanguard Personalized Indexing Management
California
$1.27M -$25.4K -1,403 -2%
PHS
198
Pekin Hardy Strauss
Illinois
$1.24M -$9.04K -500 -0.8%
AIP
199
Ameritas Investment Partners
Nebraska
$1.22M -$42.4K -2,344 -4%
MOS
200
MGO One Seven
Ohio
$1.19M +$50.3K +2,782 +5%

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.