Antero Midstream Corporation AM NYSE

NYSE • Energy • Oil & Gas Midstream • US • USD

SharesGrow Score

68/100

4/7 Pass

SharesGrow Intrinsic Value

Antero Midstream Corporation (AM) has 20 known insider and institutional holders on record. The largest holder is ANTERO RESOURCES Corp with 32,042,344 shares. Other notable holders include Warren Glen C Jr and Antero Resources Investment LLC.

Over the last 12 months, insiders have made 45 transactions in AM stock — 24 buys (valued at RSU Award) and 6 sells (valued at $1.87M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

AM Insider Ownership

Top Holder

ANTERO RESOURCES Corp

32,042,344 shares

Buys (12 mo)

$0.00 value

Sells (12 mo)

$1.87M value

12-Month Transaction Activity

Buy 53%

Sell 13%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Antero Resources Corp	10 Percent Owner	32,042,344	2019-12-16	100%
2	Warren Glen C Jr	See Remarks	6,191,816	2021-04-19	19%
3	Antero Resources Investment Llc	10 Percent Owner	5,587,500	2017-05-16	17%
4	Yorktown Energy Partners Viii, L.p.	Director	3,445,636	2019-11-13	11%
5	Yorktown Viii Associates Llc	Director	3,445,636	2019-11-13	11%
6	Rady Paul M	See Remarks	3,074,200	2025-04-16	10%
7	Yorktown Vii Associates Llc	Director	2,232,927	2019-11-13	7%
8	Yorktown Energy Partners Vii, L.p.	Director	2,232,927	2019-11-13	7%
9	Schopp Alvyn A.	See Remarks	1,947,052	2021-07-22	6%
10	Kennedy Michael N.	See Remarks	1,600,594	2026-03-10	5%
11	Yorktown Energy Partners Vi Lp	10 Percent Owner	1,463,246	2019-05-23	5%
12	Yorktown Vi Associates Llc	10 Percent Owner	1,463,246	2019-05-23	5%
13	Yorktown Energy Partners V Lp	10 Percent Owner	1,392,602	2019-05-23	4%
14	Yorktown V Co Llc	10 Percent Owner	1,392,602	2019-05-23	4%
15	Warburg Pincus Private Equity X O&g, L.p.	10 Percent Owner	711,929	2019-09-06	2%
16	Krueger Brendan E.	See Remarks	674,952	2026-03-10	2%
17	Schultz Yvette K	See Remarks	674,834	2026-03-10	2%
18	Ash W Patrick	See Remarks	280,784	2022-04-19	1%
19	Weiss Morry	10 Percent Owner, Officer: Chairman	236,545	2013-05-08	1%
20	Agnew Justin J.	See Remarks	208,895	2026-03-10	1%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-12	Klimley Brooks J	Director	Informative Sell	5,000	$23.16	$115.8K
2026-03-07	Agnew Justin J.	See Remarks	Tax Withholding of RSU	15,499	$22.97	$356.01K
2026-03-09	Schultz Yvette K	See Remarks	Informative Sell	25,000	$22.81	$570.25K
2026-03-07	Schultz Yvette K	See Remarks	Tax Withholding of RSU	66,252	$22.97	$1.52M
2026-03-07	Krueger Brendan E.	See Remarks	Tax Withholding of RSU	56,546	$22.97	$1.3M
2026-03-10	Pearce Sheri	See Remarks	Informative Sell	14,000	$22.76	$318.64K
2026-03-07	Pearce Sheri	See Remarks	Tax Withholding of RSU	25,240	$22.97	$579.76K
2026-03-07	Kennedy Michael N.	See Remarks	Gift (Given)	15,000	-	-
2026-02-24	Schultz Yvette K	See Remarks	Tax Withholding of RSU	54,785	$22.12	$1.21M
2026-02-24	Krueger Brendan E.	See Remarks	Tax Withholding of RSU	43,847	$22.12	$969.9K
2026-02-24	Kennedy Michael N.	See Remarks	Tax Withholding of RSU	89,392	$22.12	$1.98M
2026-01-10	Munoz Jeffrey S.	Director	RSU Award	2,058	-	-
2026-01-10	Chisholm Nancy	Director	RSU Award	2,058	-	-
2026-01-10	Keenan W Howard Jr	Director	RSU Award	2,058	-	-
2026-01-10	Mcardle Janine J	Director	RSU Award	2,058	-	-
2026-01-10	Klimley Brooks J	Director	RSU Award	2,058	-	-
2026-01-10	Mollenkopf John C	Director	RSU Award	2,058	-	-
2026-01-10	Keyte David H	Director	RSU Award	3,755	-	-
2026-01-10	Dea Peter A	Director	RSU Award	2,058	-	-
2025-12-16	Klimley Brooks J	Director	Informative Sell	5,000	$17.59	$87.95K
2025-12-12	Kennedy Michael N.	See Remarks	Gift (Given)	15,000	-	-
2025-10-10	Munoz Jeffrey S.	Director	RSU Award	1,935	-	-
2025-10-10	Chisholm Nancy	Director	RSU Award	1,935	-	-
2025-10-10	Keenan W Howard Jr	Director	RSU Award	1,935	-	-
2025-10-10	Mcardle Janine J	Director	RSU Award	1,935	-	-