Ticker · CUSIP 03676B102

AM

ANTERO MIDSTREAM CORP

Energy·Oil & Gas Midstream

···Share

Holders (tracked)

Combined shares

7,365,509

Combined value

$126.35M

Last close

—

Quarter

2025Q4

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

19 events

Wellington Management trimmed2026-02-17
−223,742 shares · 2025Q4
13F
Ken Griffin (Citadel Advisors) added2026-02-17
+17,962 shares · 2025Q4
13F
D.E. Shaw & Co. trimmed2026-02-17
−58,528 shares · 2025Q4
13F
AQR Capital Management trimmed2026-02-17
−3,184 shares · 2025Q4
13F
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−92,687 shares · 2025Q4
13F
Steve Cohen (Point72) added2026-02-17
+647,638 shares · 2025Q4
13F
T. Rowe Price added2026-02-17
+16,037 shares · 2025Q4
13F
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+300,756 shares · 2025Q4
13F
Ray Dalio (Bridgewater Associates) added2026-02-13
+4,676 shares · 2025Q4
13F
Norges Bank (Norway SWF) opened position2026-02-10
+3,766,025 shares · 2025Q4
13F
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−774,009 shares · 2025Q3
13F
Steve Cohen (Point72) opened position2025-11-14
+551,287 shares · 2025Q3
13F
D.E. Shaw & Co. trimmed2025-11-14
−607,588 shares · 2025Q3
13F
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−1,623,453 shares · 2025Q3
13F
Wellington Management trimmed2025-11-14
−227,112 shares · 2025Q3
13F
AQR Capital Management added2025-11-14
+21,369 shares · 2025Q3
13F
T. Rowe Price added2025-11-14
+17,458 shares · 2025Q3
13F
Ray Dalio (Bridgewater Associates) opened position2025-11-13
+107,055 shares · 2025Q3
13F
Norges Bank (Norway SWF) exited2025-11-13
−4,248,256 shares · 2025Q3
13F

Insider activity

Last 30 days

Net (open-market)

Buys

0 · $0

Sells

0 · $0

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-10	DEA PETER A Director	A	1,617	—	$0
04-10	KLIMLEY BROOKS J Director	A	1,617	—	$0
04-10	MCARDLE JANINE J Director	A	1,617	—	$0
04-10	KEYTE DAVID H Director	A	2,950	—	$0
04-10	MOLLENKOPF JOHN C Director	A	1,617	—	$0
04-10	Keenan W Howard JR Director	A	1,617	—	$0
04-10	Chisholm Nancy Director	A	1,617	—	$0
04-10	Munoz Jeffrey S. Director	A	1,617	—	$0

View full insider history for AM →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.

New positions2

Norges Bank (Norway SWF)
+3,766,025
$67.0M
Paul Tudor Jones (Tudor Investment)
+300,756
$5.4M

Added to4

Steve Cohen (Point72)
+647,638
$11.5M
Ken Griffin (Citadel Advisors)
+17,962
$320K
Ray Dalio (Bridgewater Associates)
+4,676
$83K
T. Rowe Price
+16,037
$285

Trimmed4

Wellington Management
−223,742
$4.0M
Izzy Englander (Millennium Mgmt)
−92,687
$1.6M
D.E. Shaw & Co.
−58,528
$1.0M
AQR Capital Management
−3,184
$57K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	12	39,116,104	$36.00B	—
2022Q2	11	39,724,884	$28.98B	-1
2022Q3	10	43,420,404	$30.7M	-1
2022Q4	13	48,605,507	$495.3M	+3
2023Q1	13	46,647,284	$463.9M	—
2023Q2	11	47,287,411	$525.8M	-2
2023Q3	13	47,619,416	$551.6M	+2
2023Q4	11	47,038,519	$584.4M	-2
2024Q1	11	45,765,268	$639.5M	—
2024Q2	12	48,103,392	$706.4M	+1
2024Q3	12	8,565,654	$126.0M	—
2024Q4	14	9,379,162	$138.4M	+2
2025Q1	12	6,161,819	$106.9M	-2
2025Q2	13	11,820,093	$219.6M	+1
2025Q3	13	3,019,256	$53.9M	—
2025Q4	16	7,365,509	$126.4M	+3

Who owns AM

16 super-investors · 2025Q4

Tracked stake

7.37M

Combined value

$126M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added6Trim6Held1

#	Manager	Shares	Value	% of book	Last action
1	Norges Bank Norway SWF	3.77M	$67M	0.0%	New+3.77M
2	Steve Cohen Point72	1.20M	$21M	0.0%	Added+647.6K
3	D.E. Shaw & Co.	366.0K	$7M	0.0%	Trim−58.5K
4	Izzy Englander Millennium Mgmt	349.6K	$6M	0.0%	Trim−92.7K
5	Ken Griffin Citadel Advisors	327.0K	$6M	0.0%	Added+18.0K
6	Paul Tudor Jones Tudor Investment	300.8K	$5M	0.0%	New+300.8K
7	Wellington Management	218.6K	$4M	0.0%	Trim−223.7K
8	AQR Capital Management	128.8K	$2M	0.0%	Trim−3.2K
9	Ray Dalio Bridgewater Associates	111.7K	$2M	0.0%	Added+4.7K
10	Ken Griffin Citadel Advisors	98.1K	$2M	0.0%	Added+18.0K
11	Two Sigma Investments	97.1K	$2M	0.0%	Held
12	Ken Griffin Citadel Advisors	78.1K	$1M	0.0%	Added+18.0K
13	Izzy Englander Millennium Mgmt	25.0K	$445K	0.0%	Trim−92.7K
14	Izzy Englander Millennium Mgmt	25.0K	$445K	0.0%	Trim−92.7K
15	Paul Tudor Jones Tudor Investment	11.5K	$205K	0.0%	New+300.8K
16	T. Rowe Price	263.3K	$5K	0.0%	Added+16.0K

Recent moves

20 transactions

ADDKen Griffin (Citadel Advisors)
+17,962 · 2025Q4
ADDSteve Cohen (Point72)
+647,638 · 2025Q4
TRIMAQR Capital Management
−3,184 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−92,687 · 2025Q4
TRIMWellington Management
−223,742 · 2025Q4
TRIMD.E. Shaw & Co.
−58,528 · 2025Q4
ADDT. Rowe Price
+16,037 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+300,756 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+4,676 · 2025Q4
NEWNorges Bank (Norway SWF)
+3,766,025 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−774,009 · 2025Q3
ADDAQR Capital Management
+21,369 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−1,623,453 · 2025Q3
NEWSteve Cohen (Point72)
+551,287 · 2025Q3
TRIMWellington Management
−227,112 · 2025Q3
TRIMD.E. Shaw & Co.
−607,588 · 2025Q3
ADDT. Rowe Price
+17,458 · 2025Q3
NEWRay Dalio (Bridgewater Associates)
+107,055 · 2025Q3
SOLDNorges Bank (Norway SWF)
−4,248,256 · 2025Q3
TRIMTwo Sigma Investments
−534,979 · 2025Q2

Embed this chart

Paste this iframe anywhere to embed the live AM chart.

<iframe src="https://openstocks.me/embed/stock/AM" width="100%" height="480" frameborder="0" loading="lazy" title="AM chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>

Preview: https://openstocks.me/embed/stock/AM