Antero Midstream AM Institutional Ownership

NYSE AM

$20.76 +0.19 (+0.95%)

As of: Oct 21, 2026 · 3:59 PM EDT

Institutions by Trading Activity

528 Institutions

Increased 254 48.1%

Unchanged 101 19.1%

Reduced 173 32.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

59.76%

▲+1.55 pp QoQ

Shares Held by Institutions

283.80Mn

of 474.91Mn outstanding

▲+2.63% QoQ

Shares Outstanding

474.91Mn

191.11Mn held outside 13F filers

Institutional Investors

528

filed 13F for Jun 2026

▲+21 vs prior quarter

Net Shares Added (QoQ)

+7.27Mn

accumulated since last quarter

Value of Holdings

$5.84Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Antero Midstream Corp (NYSE:AM) counted 527 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

These investors held 59.76% of Antero Midstream's outstanding shares at the end of Q2 2026, up from 58.21% in Q1 2026.
Total holdings of AM shares rose 2.63% from Q1 2026, and the holder count rose 11.65% from Q2 2025.
Of the 527 holders of AM in Q2 2026, 254 added to their positions, 173 reduced their stakes and 100 left their positions unchanged.
Institutional investors held 283.8Mn shares of Antero Midstream in total at the end of Q2 2026, up 7.27Mn from the prior quarter and up 18.96Mn from a year earlier.
BlackRock, Inc. led 13F holders of AM with 38.2Mn shares as of June 30, 2026, or 8.04% of shares outstanding.
Among existing holders, the largest additions to Antero Midstream in Q2 2026 came from Covalis Capital LLP (+2.05Mn shares), BlackRock, Inc. (+1.08Mn shares), Goldman Sachs Group Inc (+823.85K shares), First Trust Advisors LP (+792.5K shares) and Connor, Clark & Lunn Investment Management Ltd. (+766.96K shares).
The largest position reductions in AM for Q2 2026 were by Bank of New York Mellon Corp (-2.21Mn shares), Prudential Financial Inc (-2.21Mn shares), Kayne Anderson Capital Advisors LP (-2.06Mn shares), Tortoise Capital Advisors, L.L.C. (-975.91K shares) and Invesco Ltd. (-809.92K shares).
According to Business Quant data, the leading holders of AM for Q2 2026 were BlackRock, Inc. (38.2Mn shares), Invesco Ltd. (20.75Mn shares), Vanguard Portfolio Management LLC (18.19Mn shares), Vanguard Capital Management LLC (14.96Mn shares), State Street Corp (11.56Mn shares), Geode Capital Management, LLC (10.36Mn shares), Tortoise Capital Advisors, L.L.C. (10.18Mn shares), Dimensional Fund Advisors LP (9.01Mn shares), Neuberger Berman Group LLC (7.43Mn shares) and Bank of New York Mellon Corp (6.92Mn shares).

Form 13F Holdings

528 Institutional Holders

Report period 30 Jun, 2026

Total shares held 283.80Mn

Of outstanding 59.76%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	38,199,783	8.04%	▲1,082,574	+2.92%	$869.05Mn
2	Invesco Ltd.	0000914208	20,746,981	4.37%	▼809,922	-3.76%	$471.99Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	18,193,196	3.83%	▼106,777	-0.58%	$413.90Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	14,958,776	3.15%	▲149,517	+1.01%	$340.31Mn
5	State Street Corp	0000093751	11,558,546	2.43%	▼34,653	-0.30%	$262.96Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	10,358,867	2.18%	▲461,863	+4.67%	$235.70Mn
7	TORTOISE CAPITAL ADVISORS, L.L.C.	0001280965	10,183,484	2.14%	▼975,910	-8.75%	$231.67Mn
8	DIMENSIONAL FUND ADVISORS LP	0000354204	9,010,119	1.90%	▼6,697	-0.07%	$204.98Mn
9	Neuberger Berman Group LLC	0001465109	7,434,848	1.57%	▲162,222	+2.23%	$169.15Mn
10	Bank of New York Mellon Corp	0001390777	6,917,415	1.46%	▼2,211,873	-24.23%	$157.37Mn
11	Morgan Stanley	0000895421	6,702,243	1.41%	▲446,717	+7.14%	$152.48Mn
12	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	3,907,744	0.82%	▼31,081	-0.79%	$88.90Mn
13	Northern Trust Corp	0000073124	3,742,333	0.79%	▲10,765	+0.29%	$85.14Mn
14	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	3,680,777	0.78%	▼221,922	-5.69%	$83.74Mn
15	Clearbridge Investments, LLC	0001348883	3,679,103	0.77%	▼63,140	-1.69%	$83.70Mn
16	ALLIANCEBERNSTEIN L.P.	0001109448	3,625,697	0.76%	▼198,250	-5.18%	$82.67Mn
17	Boston Trust Walden Corp	0001534866	3,451,218	0.73%	▲19,667	+0.57%	$78.52Mn
18	NORGES BANK	0001374170	3,413,527	0.72%	▲3,413,527	0.00%	$77.66Mn
19	Qube Research & Technologies Ltd	0001729829	3,189,797	0.67%	▲564,386	+21.50%	$72.57Mn
20	Covalis Capital LLP	0001698819	3,031,515	0.64%	▲2,046,353	+207.72%	$68.97Mn

Showing 1 to 20 of 528 holders