Who Owns THERMON GROUP HLDGS INC (THR)? -- Institutional Holders (2026-03-31)

253 institutions reported holding $1.66B of THERMON GROUP HLDGS INC (THR) in SEC 13F filings for 2026-03-31. Largest institutional holders: FMR LLC ($149.7M), BlackRock, Inc. ($130.4M), DIMENSIONAL FUND ADVISORS LP ($87.2M), VANGUARD PORTFOLIO MANAGEMENT LLC ($70.8M), VANGUARD CAPITAL MANAGEMENT LLC ($69.9M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1FMR LLC$149.7M3.0MAdded
2BlackRock, Inc.$130.4M2.6MTrimmed
3DIMENSIONAL FUND ADVISORS LP$87.2M1.7MTrimmed
4VANGUARD PORTFOLIO MANAGEMENT LLC$70.8M1.4MNew
5VANGUARD CAPITAL MANAGEMENT LLC$69.9M1.4MNew
6Medina Value Partners, LLC$48.7M966,319Trimmed
7GW&K Investment Management, LLC$48.0M952,518Trimmed
8GEODE CAPITAL MANAGEMENT, LLC$42.0M832,516Added
9WESTWOOD HOLDINGS GROUP INC$39.5M782,763Trimmed
10STATE STREET CORP$38.9M772,529Added
11Magnetar Financial LLC$38.2M757,996New
12ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$34.3M679,685Added
13WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$32.6M647,539Trimmed
14Harvey Partners, LLC$32.6M646,728Trimmed
15NEEDHAM INVESTMENT MANAGEMENT LLC$31.9M632,500Added
16CITIGROUP INC$29.1M577,926Added
17AMERIPRISE FINANCIAL INC$28.7M569,672Trimmed
18VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.$26.0M516,471Trimmed
19Qube Research & Technologies Ltd$25.7M508,956Added
20GOLDMAN SACHS GROUP INC$24.5M486,880Added
21ALPINE ASSOCIATES MANAGEMENT INC.$24.5M485,882New
22Swedbank AB$23.7M470,000Trimmed
23NEW SOUTH CAPITAL MANAGEMENT INC$23.1M458,387Trimmed
24Balyasny Asset Management L.P.$22.7M450,549Added
25SOROS FUND MANAGEMENT LLC$22.6M448,088New

Source: SEC Form 13F filings · as of 2026-03-31