Thermon Group HoldingsTHR
13F holders, Q1 2026 (March 31)217holders +24
61new positions
38sold out
5famous investors
$50.28avg. 13F price*
At the end of Q1 2026, 217 institutions reported holding Thermon Group Holdings Inc. (THR) in their 13F filings, up 24 from Q4 2025. 61 opened new positions and 38 sold out. The largest holders were FMR LLC ($149.7M), BlackRock, Inc. ($130.4M) and Dimensional Fund Advisors LP ($87.2M). 5 famous investors held it, including George Soros (0.4% of Soros Fund Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation'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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 61 | $180.3M |
| Exits | 38 | $91.6M |
All 13F filers, Q4 2025 → Q1 2026: 7,375,605 shares bought and 7,311,052 shares sold, net +64,553 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 217 holders
| FMR LLC | 0.01% | Add +22.9% | 2,970,723 | $149.7M |
| BlackRock, Inc. | 0.00% | Reduce -3.5% | 2,588,149 | $130.4M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -0.0% | 1,730,100 | $87.2M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,404,091 | $70.8M |
| Vanguard Capital Management LLC | 0.00% | — | 1,387,057 | $69.9M |
| Medina Value Partners, LLC | 10.20% | Reduce -7.4% | 966,319 | $48.7M |
| GW&K Investment Management, LLC | 0.42% | Reduce -41.5% | 952,518 | $48.0M |
| Geode Capital Management, LLC | 0.00% | Add +6.5% | 832,516 | $42.0M |
| Westwood Holdings Group Inc. | 0.29% | Reduce -19.9% | 782,763 | $39.5M |
| State Street Corp. | 0.00% | Add +1.4% | 772,529 | $38.9M |
| Magnetar Financial LLC | 0.41% | New | 757,996 | $38.2M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +33.7% | 679,685 | $34.3M |
| William Blair Investment Management, LLC | 0.11% | Reduce -27.0% | 647,539 | $32.6M |
| Harvey Partners, LLC | 2.65% | Reduce -16.2% | 646,728 | $32.6M |
| Needham Investment Management LLC | 1.63% | Add +2.0% | 632,500 | $31.9M |
| Citigroup Inc. | 0.02% | Add +4861.6% | 577,926 | $29.1M |
| Ameriprise Financial Inc. | 0.01% | Reduce -15.4% | 569,672 | $28.7M |
| Van Lanschot Kempen Investment Management N.V. | 0.23% | Reduce -25.1% | 516,471 | $26.0M |
| Qube Research & Technologies Ltd | 0.04% | Add +305.2% | 508,956 | $25.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +102.1% | 486,880 | $24.5M |
| Alpine Associates Management Inc. | 1.44% | New | 485,882 | $24.5M |
| Swedbank AB | 0.02% | Reduce -32.3% | 470,000 | $23.7M |
| New South Capital Management Inc. | 1.11% | Reduce -3.4% | 458,387 | $23.1M |
| Balyasny Asset Management L.P. | 0.05% | Add +2990.2% | 450,549 | $22.7M |
| Soros Fund Management | 0.42% | New | 448,088 | $22.6M |
| Nuveen, LLC | 0.01% | Add +94.0% | 428,179 | $21.6M |
| AQR Arbitrage LLC | 0.41% | New | 416,851 | $21.0M |
| Kennedy Capital Management LLC | 0.39% | Reduce -3.9% | 368,773 | $18.6M |
| Two Sigma Investments, LP | 0.02% | Add +304.7% | 356,278 | $18.0M |
| Assenagon Asset Management S.A. | 0.03% | Add +35.2% | 345,731 | $17.4M |
| UBS Group AG | 0.00% | Add +10.3% | 336,551 | $17.0M |
| Deutsche Bank AG | 0.01% | Add +1.1% | 319,662 | $16.1M |
| Northern Trust Corp. | 0.00% | Reduce -20.7% | 313,446 | $15.8M |
| First Eagle Investment Management, LLC | 0.03% | Reduce -23.8% | 305,373 | $15.4M |
| Invesco Ltd. | 0.00% | Add +8.0% | 294,827 | $14.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -20.7% | 269,314 | $13.6M |
| Janus Henderson Group PLC | 0.01% | Reduce -2.9% | 243,471 | $12.3M |
| Meros Investment Management, LP | 5.27% | Reduce -28.9% | 241,463 | $12.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -30.4% | 234,793 | $11.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 213,453 | $10.8M |
| Millennium Management | 0.01% | Add +971.7% | 212,505 | $10.7M |
| Jane Street Group, LLC | 0.01% | Add +90.5% | 205,581 | $10.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +10.8% | 195,526 | $9.9M |
| Silvercrest Asset Management Group LLC | 0.07% | New | 187,770 | $9.5M |
| Alliancebernstein L.P. | 0.00% | Add +637.5% | 250,167 | $9.3M |
| Public Employees Retirement System of Ohio | 0.03% | Reduce -2.3% | 169,388 | $8.5M |
| Morgan Stanley | 0.00% | Reduce -85.9% | 165,468 | $8.3M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -3.8% | 156,754 | $7.9M |
| Oberweis Asset Management Inc./ | 0.23% | New | 154,700 | $7.8M |
| Bank of America Corp. | 0.00% | Reduce -31.5% | 153,491 | $7.7M |
| RBF Capital, LLC | 0.37% | Reduce -3.2% | 150,000 | $7.6M |
| Lazard Asset Management LLC | 0.01% | Add +16.1% | 147,930 | $7.5M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +24.4% | 125,825 | $6.3M |
| Alberta Investment Management Corp | 0.04% | New | 114,567 | $5.8M |
| Atom Investors LP | 0.40% | Reduce -17.6% | 111,077 | $5.6M |
| Intrinsic Edge Capital Management LLC | 1.01% | Reduce -52.2% | 110,000 | $5.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.6% | 109,534 | $5.5M |
| De Lisle Partners LLP | 0.63% | New | 104,194 | $5.3M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.03% | Reduce -16.5% | 100,199 | $5.1M |
| Hudson Bay Capital Management LP | 0.03% | New | 100,000 | $5.0M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +37.8% | 94,180 | $4.7M |
| 1060 Capital, LLC | 5.49% | Reduce -28.3% | 89,625 | $4.5M |
| American Century Companies Inc. | 0.00% | Add +3.5% | 78,863 | $4.0M |
| Hirtle & Co., LLC | 0.15% | New | 75,000 | $3.8M |
| Hotchkis & Wiley Capital Management LLC | 0.01% | Reduce -84.9% | 66,219 | $3.3M |
| Swiss National Bank | 0.00% | No change | 65,200 | $3.3M |
| Informed Momentum Co LLC | 0.36% | Reduce -9.2% | 62,328 | $3.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.5% | 58,894 | $3.0M |
| Oliver Luxxe Assets LLC | 0.44% | Add +96.2% | 58,051 | $2.9M |
| Tudor Investment Corporation | 0.02% | New | 57,833 | $2.9M |
| Rice Hall James & Associates, LLC | 0.16% | No change | 57,048 | $2.9M |
| Martingale Asset Management L P | 0.07% | Add +10.1% | 54,709 | $2.8M |
| Riverpoint Wealth Management Holdings, LLC | 0.56% | Add +1.4% | 52,108 | $2.6M |
| Citadel Advisors | 0.00% | New | 46,955 | $2.4M |
| Kintayl Capital LP | 1.38% | New | 44,382 | $2.2M |
| Sei Investments Co. | 0.00% | Reduce -24.5% | 41,316 | $2.1M |
| California State Teachers Retirement System | 0.00% | Add +30.6% | 40,701 | $2.1M |
| Wells Fargo & Company | 0.00% | Reduce -38.6% | 40,167 | $2.0M |
| New York Life Investment Management LLC | 0.02% | New | 39,205 | $2.0M |
| Rhumbline Advisers | 0.00% | Reduce -2.9% | 38,824 | $2.0M |
| Principal Financial Group Inc. | 0.00% | Add +9.8% | 38,321 | $1.9M |
| Yakira Capital Management, Inc. | 0.56% | New | 38,096 | $1.9M |
| Polar Asset Management Partners Inc. | 0.06% | New | 37,987 | $1.9M |
| Stifel Financial Corp. | 0.00% | New | 34,416 | $1.7M |
| Sagefield Capital LP | 0.12% | New | 33,867 | $1.7M |
| Water Island Capital LLC | 0.23% | New | 32,987 | $1.7M |
| Victory Capital Management Inc. | 0.00% | Reduce -18.3% | 32,700 | $1.6M |
| Versor Investments LP | 3.96% | New | 32,074 | $1.6M |
| Credit Agricole S A | 0.01% | New | 31,000 | $1.6M |
| Susquehanna International Group, LLP | 0.00% | Add +53.8% | 28,808 | $1.5M |
| Legal & General Group Plc | 0.00% | Reduce -18.7% | 27,351 | $1.4M |
| Raymond James Financial Inc. | 0.00% | Add +0.6% | 26,335 | $1.3M |
| Aquatic Capital Management LLC | 0.04% | Add +2454100.0% | 24,542 | $1.2M |
| Barclays PLC | 0.00% | Reduce -62.5% | 23,173 | $1.2M |
| Y-Intercept (Hong Kong) Ltd | 0.02% | New | 22,830 | $1.2M |
| Cerity Partners LLC | 0.00% | Reduce -71.6% | 22,683 | $1.1M |
| Chicago Capital Management, LLC | 2.42% | New | 30,069 | $1.1M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 22,336 | $1.1M |
| Abc Arbitrage SA | 0.15% | New | 21,895 | $1.1M |
| Marshall Wace, LLP | 0.00% | New | 19,700 | $993K |
"% of holder's portfolio" is THR's weight in each manager's 13F, not the share of Thermon Group Holdings Inc. the manager owns.