Institutional Ownership
Thermon Group Hldgs Inc
CUSIP 88362T103COM8TGQ1 2026
13D / 13G Filings
51
Schedule 13D/13G on record
Beneficial Filers
13
Distinct reporting persons
Largest Stake
13.4%
Max % of class reported
Institutional Holders
209
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
51 filings · latest Nov 14, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 14, 2025 | T. Rowe Price Investment Management, Inc. | 13G/A | 3.5% | 1.17M | SEC |
| 2 | Aug 14, 2025 | T. Rowe Price Investment Management, Inc. | 13G/A | 6.5% | 2.16M | SEC |
| 3 | May 14, 2025 | T. Rowe Price Investment Management, Inc. | 13G/A | 8.1% | 2.75M | SEC |
| 4 | May 13, 2025 | Van Lanschot Kempen Investment Management N.V. | 13G/A | 4.3% | 1.46M | SEC |
| 5 | Feb 14, 2025 | T. Rowe Price Investment Management, Inc. | 13G/A | 10.5% | 3.54M | SEC |
| 6 | Feb 13, 2025 | Van Lanschot Kempen Investment Management N.V. | 13G/A | 5.1% | 1.71M | SEC |
| 7 | Feb 12, 2025 | Fmr LLC | 13G/A | 6.9% | 2.32M | SEC |
| 8 | Dec 6, 2024 | Vanguard Group Inc | 13G/A | 10.0% | 3.37M | SEC |
| 9 | Nov 14, 2024 | T. Rowe Price Investment Management, Inc. | 13G/A | 12.6% | 4.28M | SEC |
| 10 | Mar 11, 2024 | T. Rowe Price Investment Management, Inc. | 13G/A | 13.4% | 4.53M | SEC |
41 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Thermon Group Hldgs Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Fmr LLC | 2.97M | $149.72M |
| 2 | Blackrock, Inc. | 2.59M | $130.44M |
| 3 | Dimensional Fund Advisors LP | 1.73M | $87.19M |
| 4 | Medina Value Partners, LLC | 966.3K | $48.70M |
| 5 | Geode Capital Management, LLC | 832.5K | $41.97M |
| 6 | Westwood Holdings Group Inc | 782.8K | $39.45M |
| 7 | State Street Corp | 772.5K | $38.94M |
| 8 | Magnetar Financial LLC | 758.0K | $38.20M |
| 9 | Arrowstreet Capital, Limited Partnership | 679.7K | $34.26M |
| 10 | William Blair Investment Management, LLC | 647.5K | $32.64M |