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Antero Midstream

453 hedge funds and large institutions have $4.88B invested in Antero Midstream in 2025 Q1 according to their latest regulatory filings, with 65 funds opening new positions, 183 increasing their positions, 127 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

91% more call options, than puts

Call options by funds: $79.2M | Put options by funds: $41.4M

67% more first-time investments, than exits

New positions opened: 65 | Existing positions closed: 39

44% more repeat investments, than reductions

Existing positions increased: 183 | Existing positions reduced: 127

18% more capital invested

Capital invested by funds: $4.12B → $4.88B (+$762M)

17% more funds holding in top 10

Funds holding in top 10: 67 (+1)

5% more funds holding

Funds holding: 433453 (+20)

0.04% less ownership

Funds ownership: 56.72%56.67% (-0.04%)

Holders
453
Holders Change
+20
Holders Change %
+4.62%
% of All Funds
6.07%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.09%
New
65
Increased
183
Reduced
127
Closed
39
Calls
$79.2M
Puts
$41.4M
Net Calls
+$37.8M
Net Calls Change
+$36.2M
Name Holding Trade Value Shares
Change
Change in
Stake
SOMRS
176
State of Michigan Retirement System
Michigan
$1.44M +$6.62K +400 +0.5%
COPPSERS
177
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.44M +$93.9K +5,673 +8%
State of Tennessee, Department of Treasury
178
State of Tennessee, Department of Treasury
Tennessee
$1.44M
KK
179
KLP Kapitalforvaltning
Norway
$1.42M -$212K -12,800 -14%
GT
180
Glenmede Trust
Pennsylvania
$1.38M -$14.9K -900 -1%
Rockefeller Capital Management
181
Rockefeller Capital Management
New York
$1.35M +$207K +12,526 +20%
NMIMC
182
Northwestern Mutual Investment Management Company
Wisconsin
$1.34M -$6.47K -391 -0.5%
OPERF
183
Oregon Public Employees Retirement Fund
Oregon
$1.33M +$84.4K +5,100 +7%
Teacher Retirement System of Texas
184
Teacher Retirement System of Texas
Texas
$1.31M -$673K -40,622 -36%
QCM
185
Quantinno Capital Management
New York
$1.27M +$385K +23,246 +49%
VI
186
Versor Investments
New York
$1.25M +$397K +24,000 +53%
PHS
187
Pekin Hardy Strauss
Illinois
$1.24M
NMERB
188
New Mexico Educational Retirement Board
New Mexico
$1.23M
OTPPB
189
Ontario Teachers' Pension Plan Board
Ontario, Canada
$1.23M +$723K +43,686 +177%
BI
190
Bramshill Investments
Florida
$1.2M +$1.01K +61 +0.1%
AIP
191
Ameritas Investment Partners
Nebraska
$1.19M -$25.9K -1,567 -2%
SEI Investments
192
SEI Investments
Pennsylvania
$1.15M +$497K +29,990 +88%
SPIA
193
Steward Partners Investment Advisory
New York
$1.13M +$22.6K +1,363 +2%
MOS
194
MGO One Seven
Ohio
$1.12M +$40.9K +2,472 +4%
VPIM
195
Vanguard Personalized Indexing Management
California
$1.12M +$12.3K +742 +1%
Osaic Holdings
196
Osaic Holdings
Arizona
$1.07M -$1.19M -71,603 -55%
Janney Montgomery Scott
197
Janney Montgomery Scott
Pennsylvania
$1.04M +$45.2K +2,732 +5%
X
198
Xponance
Pennsylvania
$1.02M +$41.5K +2,508 +5%
BC
199
Bridgefront Capital
Texas
$1.01M +$925K +55,863 New
KPWS
200
Kestra Private Wealth Services
Texas
$999K +$919K +55,501 New

AM Hedge Fund Activity: Q1 2025 in Review

453 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Antero Midstream (AM) for Q1 2025, worth a combined $4.88B — up 18% from $4.12B a quarter earlier.

Buyers outnumbered sellers: 65 funds opened new AM positions and 39 closed out — a net gain of 26 holders — while 183 added to existing stakes and 127 trimmed.

The largest buyer was Boston Trust Walden, opening a new position worth an estimated $47.2M. The largest seller was Pacer Advisors, cutting an estimated $151M.

  • 453 institutional investors held Antero Midstream (AM) as of Q1 2025, up from 433 in Q4 2024.
  • Funds reported $4.88B of Antero Midstream stock for Q1 2025, up 18% quarter-over-quarter.
  • 65 funds opened new Antero Midstream positions in Q1 2025 and 39 closed out, a net change of +26 holders.
  • The largest Antero Midstream buyer in Q1 2025 was Boston Trust Walden, an estimated $47.2M added.
  • The largest Antero Midstream seller in Q1 2025 was Pacer Advisors, an estimated $151M sold.

Based on aggregated 13F filings for Q1 2025.