Thermon Group HoldingsTHR
13F holders, Q4 2025 (December 31)193holders +35
48new positions
12sold out
4famous investors
$37.16avg. 13F price*
At the end of Q4 2025, 193 institutions reported holding Thermon Group Holdings Inc. (THR) in their 13F filings, up 35 from Q3 2025. 48 opened new positions and 12 sold out. The largest holders were Vanguard Group Inc. ($114.1M), BlackRock, Inc. ($99.7M) and FMR LLC ($89.8M). 4 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Thermon Group Holdings Inc.
- CUSIP
- 88362T103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 48 | $34.7M |
| Exits | 12 | $6.9M |
All 13F filers, Q3 2025 → Q4 2025: 3,872,513 shares bought and 4,061,087 shares sold, net −188,574 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 193 holders
| Vanguard Group Inc. | 0.00% | Reduce -3.1% | 3,069,937 | $114.1M |
| BlackRock, Inc. | 0.00% | Add +5.8% | 2,681,650 | $99.7M |
| FMR LLC | 0.00% | Reduce -0.2% | 2,417,762 | $89.8M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -2.2% | 1,730,579 | $64.3M |
| GW&K Investment Management, LLC | 0.52% | Add +13.8% | 1,627,257 | $60.5M |
| Morgan Stanley | 0.00% | Add +63.4% | 1,175,768 | $43.7M |
| Medina Value Partners, LLC | 9.06% | Add +5.7% | 1,043,526 | $38.8M |
| Westwood Holdings Group Inc. | 0.30% | Reduce -34.3% | 976,821 | $36.3M |
| William Blair Investment Management, LLC | 0.09% | Reduce -9.5% | 887,451 | $33.0M |
| Geode Capital Management, LLC | 0.00% | Add +0.2% | 782,077 | $29.1M |
| Harvey Partners, LLC | 2.58% | Add +0.1% | 772,070 | $28.7M |
| State Street Corp. | 0.00% | Reduce -2.6% | 761,840 | $28.3M |
| Wellington Management Group LLP | 0.00% | Reduce -14.6% | 731,373 | $27.2M |
| Swedbank AB | 0.02% | Reduce -8.4% | 694,000 | $25.8M |
| Van Lanschot Kempen Investment Management N.V. | 0.22% | Reduce -38.7% | 689,677 | $25.6M |
| Ameriprise Financial Inc. | 0.01% | Add +37.5% | 673,335 | $25.0M |
| Needham Investment Management LLC | 1.46% | Reduce -0.6% | 620,000 | $23.0M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +18.6% | 508,339 | $18.9M |
| New South Capital Management Inc. | 0.81% | Reduce -3.9% | 474,599 | $17.6M |
| Brown Advisory Inc. | 0.02% | Reduce -48.2% | 456,417 | $17.0M |
| Hotchkis & Wiley Capital Management LLC | 0.05% | Reduce -11.2% | 437,552 | $16.3M |
| Lone Peak Global Investors LLC | 2.72% | Add +2551.8% | 430,230 | $16.0M |
| First Eagle Investment Management, LLC | 0.03% | Add +2.2% | 400,510 | $14.9M |
| Northern Trust Corp. | 0.00% | Add +21.1% | 395,198 | $14.7M |
| Kennedy Capital Management LLC | 0.30% | Reduce -12.8% | 383,854 | $14.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.6% | 339,736 | $12.6M |
| Meros Investment Management, LP | 5.01% | Reduce -3.5% | 339,675 | $12.6M |
| JPMorgan Chase & Co. | 0.00% | Add +28.6% | 337,150 | $12.5M |
| Deutsche Bank AG | 0.00% | Add +0.7% | 316,137 | $11.7M |
| UBS Group AG | 0.00% | Add +5.8% | 305,070 | $11.3M |
| Invesco Ltd. | 0.00% | Add +445.3% | 273,068 | $10.1M |
| Assenagon Asset Management S.A. | 0.01% | No change | 255,694 | $9.5M |
| Heartland Advisors Inc. | 0.51% | Reduce -0.2% | 255,533 | $9.5M |
| Janus Henderson Group PLC | 0.00% | Add +960.3% | 250,813 | $9.3M |
| Lightrock Netherlands B.V. | 1.91% | Reduce -19.2% | 248,075 | $9.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +0.3% | 240,903 | $9.0M |
| Intrinsic Edge Capital Management LLC | 1.66% | Add +91.7% | 230,000 | $8.5M |
| Bank of America Corp. | 0.00% | Add +35.9% | 224,129 | $8.3M |
| Nuveen, LLC | 0.00% | Add +224.0% | 220,653 | $8.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -16.6% | 176,482 | $6.6M |
| Public Employees Retirement System of Ohio | 0.02% | Reduce -12.2% | 173,434 | $6.4M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -5.4% | 162,859 | $6.1M |
| RBF Capital, LLC | 0.26% | Reduce -8.8% | 155,000 | $5.8M |
| Wedge Capital Management L L P | 0.09% | Reduce -14.0% | 142,253 | $5.3M |
| Atom Investors LP | 0.40% | Add +187.9% | 134,849 | $5.0M |
| Lazard Asset Management LLC | 0.01% | New | 127,382 | $4.7M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -29.5% | 125,620 | $4.7M |
| 1060 Capital, LLC | 11.88% | New | 125,000 | $4.6M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.02% | Add +24.4% | 120,015 | $4.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.6% | 114,796 | $4.3M |
| Jane Street Group, LLC | 0.00% | Add +202.4% | 107,907 | $4.0M |
| Allspring Global Investments Holdings, LLC | 0.01% | New | 101,132 | $3.8M |
| Two Sigma Advisers, LP | 0.01% | Reduce -16.6% | 100,562 | $3.7M |
| Two Sigma Investments, LP | 0.01% | Reduce -43.6% | 88,041 | $3.3M |
| Cerity Partners LLC | 0.00% | Add +152.7% | 79,901 | $3.0M |
| Dark Forest Capital Management LP | 0.13% | Add +16.3% | 77,101 | $2.9M |
| American Century Companies Inc. | 0.00% | Reduce -4.4% | 76,223 | $2.8M |
| Informed Momentum Co LLC | 0.28% | New | 68,667 | $2.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | New | 68,360 | $2.5M |
| Wells Fargo & Company | 0.00% | Add +12.5% | 65,445 | $2.4M |
| Swiss National Bank | 0.00% | Add +1.4% | 65,200 | $2.4M |
| Barclays PLC | 0.00% | Add +8.4% | 61,848 | $2.3M |
| Peregrine Asset Advisers, Inc. | 0.64% | New | 61,413 | $2.3M |
| Blair William & Co. | 0.01% | Add +1.6% | 61,065 | $2.3M |
| Royal Bank of Canada | 0.00% | Reduce -49.2% | 59,901 | $2.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +3.5% | 57,437 | $2.1M |
| Rice Hall James & Associates, LLC | 0.12% | Reduce -17.1% | 57,048 | $2.1M |
| Integrated Quantitative Investments LLC | 0.45% | Add +363.7% | 56,108 | $2.1M |
| Sei Investments Co. | 0.00% | Add +195.8% | 54,695 | $2.0M |
| Riverpoint Wealth Management Holdings, LLC | 0.41% | Add +2.0% | 51,368 | $1.9M |
| Martingale Asset Management L P | 0.05% | Add +270.1% | 49,697 | $1.8M |
| Man Group plc | 0.00% | Add +230.9% | 48,447 | $1.8M |
| Victory Capital Management Inc. | 0.00% | Reduce -10.8% | 40,000 | $1.5M |
| Rhumbline Advisers | 0.00% | Reduce -16.9% | 39,987 | $1.5M |
| AQR Capital Management | 0.00% | Add +3.8% | 35,060 | $1.3M |
| Principal Financial Group Inc. | 0.00% | Add +42.5% | 34,886 | $1.3M |
| Comerica Bank | 0.01% | Reduce -18.2% | 34,032 | $1.3M |
| Alliancebernstein L.P. | 0.00% | No change | 33,920 | $1.3M |
| Legal & General Group Plc | 0.00% | Reduce -11.7% | 33,658 | $1.3M |
| Inspire Investing, LLC | 0.11% | New | 32,853 | $1.2M |
| Envestnet Asset Management Inc. | 0.00% | New | 32,122 | $1.2M |
| California State Teachers Retirement System | 0.00% | Reduce -0.1% | 31,167 | $1.2M |
| Oliver Luxxe Assets LLC | 0.17% | New | 29,591 | $1.1M |
| D.A. Davidson & Co. | 0.01% | Reduce -1.3% | 28,678 | $1.1M |
| Campbell & CO Investment Adviser LLC | 0.05% | Reduce -7.9% | 27,917 | $1.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +7.0% | 27,559 | $1.0M |
| Raymond James Financial Inc. | 0.00% | Reduce -0.2% | 26,187 | $973K |
| North Star Investment Management Corp. | 0.06% | No change | 24,200 | $899K |
| Globeflex Capital L P | 0.13% | Add +27.1% | 23,005 | $855K |
| SG Americas Securities, LLC | 0.00% | Add +52.6% | 22,612 | $840K |
| Millennium Management | 0.00% | New | 19,828 | $737K |
| STRS Ohio | 0.00% | New | 19,100 | $710K |
| Susquehanna International Group, LLP | 0.00% | New | 18,727 | $696K |
| MetLife Investment Management, LLC | 0.00% | Reduce -6.2% | 18,637 | $693K |
| Tidal Investments LLC | 0.00% | Reduce -1.9% | 17,609 | $654K |
| Numerai GP LLC | 0.08% | Reduce -17.7% | 17,361 | $645K |
| Denali Advisors LLC | 0.07% | New | 17,157 | $638K |
| Commerce Bank | 0.00% | Reduce -0.6% | 16,373 | $608K |
| New York State Common Retirement Fund | 0.00% | Add +35.4% | 15,682 | $583K |
| Snowden Capital Advisors LLC | 0.01% | New | 15,432 | $573K |
"% of holder's portfolio" is THR's weight in each manager's 13F, not the share of Thermon Group Holdings Inc. the manager owns.