Ticker · CUSIP 03676B102

AM

ANTERO MIDSTREAM CORP
···Share
Holders (tracked)
16
Combined shares
7,365,509
Combined value
$131.03M
Last close
$21.29
Quarter
2025Q4
Price · 1Y$21.29+4.97 (+30.43%)H $23.60 · L $15.67 · Avg Vol 2.6M
$16.00$18.00$20.00$22.00$24.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
16112024Q12025Q4
Price is +19.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

19 events
  1. −223,742 shares · 2025Q4
    Position
  2. +17,962 shares · 2025Q4
    Position
  3. −58,528 shares · 2025Q4
    Position
  4. −3,184 shares · 2025Q4
    Position
  5. −92,687 shares · 2025Q4
    Position
  6. +647,638 shares · 2025Q4
    Position
  7. +16,037 shares · 2025Q4
    Position
  8. +300,756 shares · 2025Q4
    Position
  9. +4,676 shares · 2025Q4
    Position
  10. +3,766,025 shares · 2025Q4
    Position
  11. −774,009 shares · 2025Q3
    Position
  12. +551,287 shares · 2025Q3
    Position
  13. −607,588 shares · 2025Q3
    Position
  14. −1,623,453 shares · 2025Q3
    Position
  15. −227,112 shares · 2025Q3
    Position
  16. +21,369 shares · 2025Q3
    Position
  17. +17,458 shares · 2025Q3
    Position
  18. +107,055 shares · 2025Q3
    Position
  19. −4,248,256 shares · 2025Q3
    Position

Insider activity

Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
8
DateInsiderCodeSharesPriceValue
04-10DEA PETER A
Director
A1,617$0
04-10KLIMLEY BROOKS J
Director
A1,617$0
04-10MCARDLE JANINE J
Director
A1,617$0
04-10KEYTE DAVID H
Director
A2,950$0
04-10MOLLENKOPF JOHN C
Director
A1,617$0
04-10Keenan W Howard JR
Director
A1,617$0
04-10Chisholm Nancy
Director
A1,617$0
04-10Munoz Jeffrey S.
Director
A1,617$0
Follow-the-investor returns
If you'd copied each holder of AM…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Norges Bank (Norway SWF)2019Q3$9.67+120.2%$80.2M
T. Rowe Price2019Q4$11.26+89.0%$5.6M
Wellington Management2019Q3$11.85+79.7%$4.7M
AQR Capital Management2019Q3$16.80+26.7%$2.7M
Two Sigma Investments2020Q4$17.03+25.0%$2.1M
D.E. Shaw & Co.2019Q1$17.56+21.3%$7.8M
Izzy Englander (Millennium Mgmt)2019Q1$17.91+18.9%$532K
Izzy Englander (Millennium Mgmt)2019Q1$17.91+18.9%$532K
Izzy Englander (Millennium Mgmt)2019Q1$17.91+18.9%$532K
Steve Cohen (Point72)2019Q1$17.99+18.3%$25.5M
Paul Tudor Jones (Tudor Investment)2024Q1$18.11+17.5%$245K
Paul Tudor Jones (Tudor Investment)2024Q1$18.11+17.5%$245K
Ken Griffin (Citadel Advisors)2019Q1$18.16+17.2%$7.0M
Ken Griffin (Citadel Advisors)2019Q1$18.16+17.2%$7.0M
Ken Griffin (Citadel Advisors)2019Q1$18.16+17.2%$7.0M
Ray Dalio (Bridgewater Associates)2024Q2$18.81+13.2%$2.4M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Trimmed4
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$36.00B
2022Q2
11
$28.98B
2022Q3
10
$398.6M
2022Q4
13
$524.5M
2023Q1
13
$489.3M
2023Q2
11
$548.5M
2023Q3
13
$570.5M
2023Q4
11
$589.4M
2024Q1
11
$643.5M
2024Q2
12
$709.0M
2024Q3
12
$128.9M
2024Q4
14
$141.5M
2025Q1
12
$110.9M
2025Q2
13
$224.0M
2025Q3
13
$58.7M
2025Q4
16
$131.0M

Who owns AM

16 super-investors · 2025Q4
Tracked stake
7.37M
shares
Combined value
$131M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added6Trim6Held1
#ManagerSharesValue
1Norges Bank
Norway SWF
3.77M$67M
2Steve Cohen
Point72
1.20M$21M
3D.E. Shaw & Co.366.0K$7M
4Izzy Englander
Millennium Mgmt
349.6K$6M
5Ken Griffin
Citadel Advisors
327.0K$6M
6Paul Tudor Jones
Tudor Investment
300.8K$5M
7T. Rowe Price263.3K$5M
8Wellington Management218.6K$4M
9AQR Capital Management128.8K$2M
10Ray Dalio
Bridgewater Associates
111.7K$2M
11Ken Griffin
Citadel Advisors
98.1K$2M
12Two Sigma Investments97.1K$2M
13Ken Griffin
Citadel Advisors
78.1K$1M
14Izzy Englander
Millennium Mgmt
25.0K$445K
15Izzy Englander
Millennium Mgmt
25.0K$445K
16Paul Tudor Jones
Tudor Investment
11.5K$205K

Recent moves

20 transactions
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