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

65 institutions reported holding $226.2M 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.

RankInstitutionValueSharesChange
1PRICE T ROWE ASSOCIATES INC /MD/$52.6M2.8MNew
2AMERICAN CENTURY COMPANIES INC$28.0M1.5MNew
3WELLINGTON MANAGEMENT GROUP LLP$14.3M760,497New
4BlackRock, Inc.$13.8M738,234New
5T. Rowe Price Investment Management, Inc.$13.0M694,396New
6CITADEL ADVISORS LLC$12.6M673,656New
7VANGUARD GROUP INC$11.7M622,043New
8FMR LLC$10.6M563,624New
9GeoSphere Capital Management, LLC$7.0M375,000New
10Alyeska Investment Group, L.P.$5.6M300,000New
11Cannell & Spears LLC$5.2M277,199New
12GEODE CAPITAL MANAGEMENT, LLC$5.1M273,097New
13TWO SIGMA INVESTMENTS, LP$5.0M266,912New
14MILLENNIUM MANAGEMENT LLC$3.0M160,894New
15Thomist Capital Management, LP$3.0M158,161New
16SEVEN GRAND MANAGERS, LLC$2.8M150,000New
17UBS Group AG$2.7M144,960New
18JANE STREET GROUP, LLC$2.6M136,095New
19Marex Group plc$2.4M127,392New
20Ghisallo Capital Management LLC$2.3M125,000New
21Burkehill Global Management, LP$2.3M125,000New
22GOLDMAN SACHS GROUP INC$1.9M101,722New
23Walleye Capital LLC$1.6M82,951New
24NORTHERN TRUST CORP$1.5M82,004New
25READYSTATE ASSET MANAGEMENT LP$1.5M80,000New

Source: SEC Form 13F filings · as of 2026-06-30