Who Owns HMH HLDG INC (HMH)? -- Institutional Holders (2026-06-30)

67 institutions reported holding $229.0M of HMH HLDG INC (HMH) in SEC 13F filings for 2026-06-30. Largest institutional holders: PRICE T ROWE ASSOCIATES INC /MD/ ($52.6M), AMERICAN CENTURY COMPANIES INC ($28.0M), WELLINGTON MANAGEMENT GROUP LLP ($14.3M), BlackRock, Inc. ($13.8M), T. Rowe Price Investment Management, Inc. ($13.0M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	PRICE T ROWE ASSOCIATES INC /MD/	$52.6M	2.8M	New
2	AMERICAN CENTURY COMPANIES INC	$28.0M	1.5M	New
3	WELLINGTON MANAGEMENT GROUP LLP	$14.3M	760,497	New
4	BlackRock, Inc.	$13.8M	738,234	New
5	T. Rowe Price Investment Management, Inc.	$13.0M	694,396	New
6	CITADEL ADVISORS LLC	$12.6M	673,656	New
7	VANGUARD GROUP INC	$11.7M	622,043	New
8	FMR LLC	$10.6M	563,624	New
9	GeoSphere Capital Management, LLC	$7.0M	375,000	New
10	Alyeska Investment Group, L.P.	$5.6M	300,000	New
11	Cannell & Spears LLC	$5.2M	277,199	New
12	GEODE CAPITAL MANAGEMENT, LLC	$5.1M	273,097	New
13	TWO SIGMA INVESTMENTS, LP	$5.0M	266,912	New
14	MILLENNIUM MANAGEMENT LLC	$3.0M	160,894	New
15	Thomist Capital Management, LP	$3.0M	158,161	New
16	STATE STREET CORP	$2.8M	150,759	New
17	SEVEN GRAND MANAGERS, LLC	$2.8M	150,000	New
18	UBS Group AG	$2.7M	144,960	New
19	JANE STREET GROUP, LLC	$2.6M	136,095	New
20	Marex Group plc	$2.4M	127,392	New
21	Ghisallo Capital Management LLC	$2.3M	125,000	New
22	Burkehill Global Management, LP	$2.3M	125,000	New
23	GOLDMAN SACHS GROUP INC	$1.9M	101,722	New
24	Walleye Capital LLC	$1.6M	82,951	New
25	NORTHERN TRUST CORP	$1.5M	82,004	New

来源：SEC 13F 申报文件 · 截至 2026-06-30