CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in AM — Antero Midstream Corp

CIK 1081019 WEST SACRAMENTO, CA

Position in AM

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$9,733,616

+$3,720,365 QoQ

Shares Held

426,913

+26.3% QoQ

Ownership

0.090%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $615,921,528 across 25 Oil & Gas Midstream names. AM ranks #8 (1.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WMB	Williams Companies, Inc.	2,120,558	$154,334,211
2	OKE	Oneok Inc /New/	1,703,337	$153,964,631
3	LNG	Cheniere Energy, Inc.	379,125	$107,580,510
4	KMI	Kinder Morgan, Inc.	2,313,453	$77,570,079
5	TRGP	Targa Resources Corp.	249,519	$62,561,898
6	DTM	DT Midstream, Inc.	120,551	$16,234,603
7	VNOM	Viper Energy, Inc.	217,133	$10,203,079
8	AM	Antero Midstream Corp This page	426,913	$9,733,616

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$9,733,616	426,913	+26.3%	Shares	Sole	2026-05-18
2025-12-31	$6,013,251	338,013	-0.1%	Shares	Sole	2026-02-17
2025-09-30	$6,575,618	338,252	+1.8%	Shares	Sole	2025-11-14
2025-06-30	$6,298,980	332,400	0.0%	Shares	Sole	2025-08-14
2025-03-31	$5,983,200	332,400	-1.1%	Shares	Sole	2025-05-15
2024-12-31	$5,070,873	336,042	-1.2%	Shares	Sole	2025-03-18
2024-09-30	$5,117,331	340,022	-2.8%	Shares	Sole	2025-04-04
2024-06-30	$5,154,253	349,678	-2.3%	Shares	Sole	2025-04-08
2024-03-31	$5,032,411	357,924	-5.0%	Shares	Sole	2024-05-16
2023-12-31	$4,718,422	376,570	-4.3%	Shares	Sole	2024-02-13
2023-09-30	$4,715,879	393,646	-3.7%	Shares	Sole	2023-11-14
2023-06-30	$4,739,551	408,582	+2.4%	Shares	Sole	2023-08-21
2023-03-31	$4,186,380	399,083	-1.6%	Shares	Sole	2023-05-09
2022-12-31	$4,376,812	405,636	+1.1%	Shares	Sole	2023-02-14
2022-09-30	$3,682,685	401,164	-1.7%	Shares	Sole	2022-11-21
2022-06-30	$3,694,608	408,244	+0.0%	Shares	Sole	2022-08-15
2022-03-31	$4,435,753	408,073	-8.3%	Shares	Sole	2022-05-16
2021-12-31	$4,309,381	445,184	-17.9%	Shares	Sole	2022-02-15
2021-09-30	$5,648,859	542,117	-4.7%	Shares	Sole	2021-11-15
2021-06-30	$5,910,133	568,829	+14.2%	Shares	Sole	2021-08-16
2021-03-31	$4,498,195	498,139	-0.2%	Shares	Sole	2021-05-18
2020-12-31	$3,847,027	498,966	+1.7%	Shares	Sole	2021-02-16
2020-09-30	$2,635,928	490,862	+1.8%	Shares	Sole	2020-11-17
2020-06-30	$2,460,107	482,374	+19.7%	Shares	Sole	2020-08-17
2020-03-31	$846,050	402,881	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.