AMAntero Midstream Corporation

$21.09+18% 1Y

Who owns AM

523 institutions reported holding AM for 2026Q2, together 60% of the company, more than the 504 a quarter earlier.

523

Institutions reporting a position · as of 2026Q2 · up from 504 the quarter before

Shares held by institutions
285.0M

Shares held by institutions · 60% of the company · long US equity positions only, as reported on Form 13F

Reported value
$6.48B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
24%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
47
New positions
68
Positions exited
50
Added to
163
Reduced
161
Top 10 holdersof the company
33%
Shares sold shortsettled Sep 15, 2026
12.1M
Short interestof shares outstanding
2.5%
Days to coverat the average daily volume
5.7
Change in the short positionsince the Aug 31, 2026 count
+9.0%
Institutional ownership by quarter, 2014Q4 to 2026Q2
QuarterFilersSharesReported value
2026Q2523285.0M$6.48B
2026Q1504279.6M$6.41B
2025Q4481277.9M$4.94B
2025Q3456268.8M$5.22B
2025Q2469275.5M$5.22B
2025Q1445271.2M$4.88B
2024Q4430272.9M$4.12B
2024Q3415265.7M$4.00B
2024Q2408262.1M$3.86B
2024Q1391260.7M$3.65B
2023Q4389258.6M$3.24B
2023Q3365259.9M$3.11B
2023Q2348253.3M$2.94B
2023Q1346248.4M$2.61B
2022Q4334254.5M$2.75B
2022Q3314253.9M$2.34B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.38.2M8.0%$869M
VANGUARD GROUP INC35.8M7.5%$815M
Invesco Ltd.20.7M4.3%$472M
STATE STREET CORP11.6M2.4%$263M
GEODE CAPITAL MANAGEMENT LLC10.4M2.2%$236M
TORTOISE CAPITAL ADVISORS, L.L.C.10.2M2.1%$232M
DIMENSIONAL FUND ADVISORS LP9.0M1.9%$205M
Neuberger Berman Group LLC7.4M1.6%$169M
Bank of New York Mellon Corp6.9M1.4%$157M
MORGAN STANLEY6.7M1.4%$152M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202612.1M2.5%5.7
Aug 31, 202611.1M2.3%4.5
Aug 14, 202610.5M2.2%4.5
Jul 31, 20269.9M2.1%4.7
Jul 15, 20269.9M2.1%4.8
Jun 30, 202610.5M2.2%3.3
Jun 15, 202611.3M2.4%6.0
May 29, 202611.6M2.4%5.0
May 15, 202610.5M2.2%4.2
Apr 30, 202611.5M2.4%4.0
Apr 15, 202610.9M2.3%4.6
Mar 31, 202610.5M2.2%3.5

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

opening the register…