Thermon Group Holdings, Inc.
THRDelisted Jun 1, 2026- Industry
- Electrical Industrial Apparatus
- SEC CIK
- 0001489096
Thermon Group Holdings, Inc. was delisted on Jun 1, 2026; its insiders filed their last Form 4 on Jun 3, 2026; 217 institutions reported holding it in 13F filings for Q1 2026, worth $1.65B in total; Soros Fund Management was the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Thermon Group Holdings, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 193
- +36 vs. Q3 2025
- Shares held
- 33.0M
- −201.8K (−0.6%) vs. Q3 2025
- Total value
- $1.23B
- +$340.1M (+38.4%) vs. Q3 2025
- New holders
- 49
- 56 more added
- Sold out
- 13
- 70 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting THR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 3 | $4.78M |
| Q1 2026 | 217 | $1.65B |
| Q4 2025 | 193 | $1.23B |
| Q3 2025 | 158 | $885.2M |
| Q2 2025 | 169 | $905.2M |
| Q1 2025 | 160 | $868.2M |
| Q4 2024 | 169 | $933.8M |
| Q3 2024 | 151 | $948.2M |
| Q2 2024 | 155 | $980.3M |
| Q1 2024 | 146 | $1.08B |
| Q4 2023 | 159 | $1.04B |
| Q3 2023 | 150 | $878.5M |
| Q2 2023 | 153 | $839.7M |
| Q1 2023 | 155 | $793.2M |
| Q4 2022 | 134 | $629.9M |
| Q3 2022 | 120 | $488.7M |
| Q2 2022 | 108 | $449.0M |
| Q1 2022 | 113 | $508.2M |
| Q4 2021 | 107 | $529.5M |
| Q3 2021 | 95 | $545.0M |
| Q2 2021 | 94 | $536.1M |
| Q1 2021 | 98 | $616.5M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Thermon Group Holdings, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,069,937 | $114.1M | 0.00% | −98,994−3.1% | Reduced |
| BlackRock, Inc. | 2,681,650 | $99.7M | 0.00% | +146,250+5.8% | Added |
| FMR LLC | 2,417,762 | $89.8M | 0.00% | −5,771−0.2% | Reduced |
| Dimensional Fund Advisors LP | 1,730,579 | $64.3M | 0.01% | −38,635−2.2% | Reduced |
| GW&K Investment Management, LLC | 1,627,257 | $60.5M | 0.52% | +197,715+13.8% | Added |
| Morgan Stanley | 1,175,768 | $43.7M | 0.00% | +456,243+63.4% | Added |
| Medina Singh Partners, LLC | 1,043,526 | $38.8M | 9.06% | +56,361+5.7% | Added |
| Westwood Holdings Group Inc. | 976,821 | $36.3M | 0.30% | −510,342−34.3% | Reduced |
| William Blair Investment Management, LLC | 887,451 | $33.0M | 0.09% | −92,897−9.5% | Reduced |
| Geode Capital Management, LLC | 782,077 | $29.1M | 0.00% | +1,574+0.2% | Added |
| Harvey Partners, LLC | 772,070 | $28.7M | 2.58% | +570+0.1% | Added |
| State Street Corp | 761,840 | $28.3M | 0.00% | −20,588−2.6% | Reduced |
| Wellington Management Group LLP | 731,373 | $27.2M | 0.00% | −124,866−14.6% | Reduced |
| Swedbank AB | 694,000 | $25.8M | 0.02% | −64,000−8.4% | Reduced |
| Kempen Capital Management N.V. | 689,677 | $25.6M | 0.22% | −435,373−38.7% | Reduced |
| Ameriprise Financial Inc | 673,335 | $25.0M | 0.01% | +183,549+37.5% | Added |
| Needham Investment Management LLC | 620,000 | $23.0M | 1.46% | −3,500−0.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 508,339 | $18.9M | 0.01% | +79,693+18.6% | Added |
| New South Capital Management Inc | 474,599 | $17.6M | 0.81% | −19,020−3.9% | Reduced |
| Brown Advisory Inc | 456,417 | $17.0M | 0.02% | −425,149−48.2% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 437,552 | $16.3M | 0.05% | −55,230−11.2% | Reduced |
| Clifford Capital Partners LLC | 430,230 | $16.0M | 2.72% | +414,006+2,551.8% | Added |
| First Eagle Investment Management, LLC | 400,510 | $14.9M | 0.03% | +8,532+2.2% | Added |
| Northern Trust Corp | 395,198 | $14.7M | 0.00% | +68,784+21.1% | Added |
| Kennedy Capital Management, Inc. | 383,854 | $14.3M | 0.30% | −56,311−12.8% | Reduced |
| Charles Schwab Investment Management Inc | 339,736 | $12.6M | 0.00% | −9,216−2.6% | Reduced |
| Meros Investment Management, LP | 339,675 | $12.6M | 5.01% | −12,326−3.5% | Reduced |
| JPMorgan Chase & Co | 337,150 | $12.5M | 0.00% | +74,913+28.6% | Added |
| Deutsche Bank AG | 316,137 | $11.7M | 0.00% | +2,056+0.7% | Added |
| UBS Group AG | 305,070 | $11.3M | 0.00% | +16,700+5.8% | Added |
| Invesco Ltd. | 273,068 | $10.1M | 0.00% | +222,990+445.3% | Added |
| Assenagon Asset Management S.A. | 255,694 | $9.50M | 0.01% | 00.0% | Unchanged |
| Heartland Advisors Inc | 255,533 | $9.50M | 0.51% | −511−0.2% | Reduced |
| Janus Henderson Group PLC | 250,813 | $9.32M | 0.00% | +227,157+960.3% | Added |
| Lightrock Netherlands B.V. | 248,075 | $9.22M | 1.95% | −59,000−19.2% | Reduced |
| Goldman Sachs Group Inc | 240,903 | $8.95M | 0.00% | +816+0.3% | Added |
| Intrinsic Edge Capital Management LLC | 230,000 | $8.55M | 1.66% | +110,000+91.7% | Added |
| Bank of America Corp | 224,129 | $8.33M | 0.00% | +59,190+35.9% | Added |
| Nuveen, LLC | 220,653 | $8.20M | 0.00% | +152,546+224.0% | Added |
| Price T Rowe Associates Inc | 176,482 | $6.56M | 0.00% | −35,065−16.6% | Reduced |
| Public Employees Retirement System of Ohio | 173,434 | $6.44M | 0.02% | −23,991−12.2% | Reduced |
| Russell Investments Group, Ltd. | 162,859 | $6.05M | 0.01% | −9,264−5.4% | Reduced |
| RBF Capital, LLC | 155,000 | $5.76M | 0.26% | −15,000−8.8% | Reduced |
| Wedge Capital Management L L P | 142,253 | $5.29M | 0.09% | −23,226−14.0% | Reduced |
| Atom Investors LP | 134,849 | $5.01M | 0.40% | +88,006+187.9% | Added |
| Lazard Asset Management LLC | 127,382 | $4.73M | 0.01% | +127,382 | New |
| Qube Research & Technologies Ltd | 125,620 | $4.67M | 0.01% | −52,492−29.5% | Reduced |
| 1060 Capital, LLC | 125,000 | $4.64M | 11.88% | +125,000 | New |
| Diamond Hill Capital Management Inc | 120,015 | $4.46M | 0.02% | +23,560+24.4% | Added |
| Bank of New York Mellon Corp | 114,796 | $4.27M | 0.00% | −3,064−2.6% | Reduced |
| Jane Street Group, LLC | 107,907 | $4.01M | 0.00% | +72,225+202.4% | Added |
| Allspring Global Investments Holdings, LLC | 101,132 | $3.76M | 0.01% | +101,132 | New |
| Two Sigma Advisers, LP | 100,562 | $3.74M | 0.01% | −20,000−16.6% | Reduced |
| Two Sigma Investments, LP | 88,041 | $3.27M | 0.00% | −68,205−43.7% | Reduced |
| Cerity Partners LLC | 79,901 | $2.97M | 0.00% | +48,282+152.7% | Added |
| Dark Forest Capital Management LP | 77,101 | $2.87M | 0.13% | +10,798+16.3% | Added |
| American Century Companies Inc | 76,223 | $2.83M | 0.00% | −3,530−4.4% | Reduced |
| EAM Investors, LLC | 68,667 | $2.55M | 0.28% | +68,667 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 68,360 | $2.54M | 0.00% | +68,360 | New |
| Wells Fargo & Company | 65,445 | $2.43M | 0.00% | +7,290+12.5% | Added |
| Swiss National Bank | 65,200 | $2.42M | 0.00% | +900+1.4% | Added |
| Barclays PLC | 61,848 | $2.30M | 0.00% | +4,777+8.4% | Added |
| Peregrine Asset Advisers, Inc. | 61,413 | $2.28M | 0.64% | +61,413 | New |
| Blair William & Co | 61,065 | $2.27M | 0.01% | +963+1.6% | Added |
| Royal Bank of Canada | 59,901 | $2.23M | 0.00% | −57,962−49.2% | Reduced |
| UBS Asset Management Americas Inc | 57,437 | $2.13M | 0.00% | +1,914+3.4% | Added |
| Rice Hall James & Associates, LLC | 57,048 | $2.12M | 0.12% | −11,803−17.1% | Reduced |
| Integrated Quantitative Investments LLC | 56,108 | $2.08M | 0.45% | +44,008+363.7% | Added |
| SEI Investments Co | 54,695 | $2.03M | 0.00% | +36,202+195.8% | Added |
| Riverpoint Wealth Management Holdings, LLC | 51,368 | $1.91M | 0.41% | +1,008+2.0% | Added |
| Martingale Asset Management L P | 49,697 | $1.85M | 0.05% | +36,271+270.2% | Added |
| Man Group plc | 48,447 | $1.80M | 0.00% | +33,808+230.9% | Added |
| Victory Capital Management Inc | 40,000 | $1.49M | 0.00% | −4,835−10.8% | Reduced |
| Rhumbline Advisers | 39,987 | $1.49M | 0.00% | −8,164−17.0% | Reduced |
| AQR Capital Management LLC | 35,060 | $1.30M | 0.00% | +1,274+3.8% | Added |
| Principal Financial Group Inc | 34,886 | $1.30M | 0.00% | +10,408+42.5% | Added |
| Comerica Bank | 34,032 | $1.26M | 0.01% | −7,557−18.2% | Reduced |
| Alliancebernstein L.P. | 33,920 | $1.26M | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 33,658 | $1.25M | 0.00% | −4,475−11.7% | Reduced |
| CWM Advisors, LLC | 32,853 | $1.22M | 0.11% | +32,853 | New |
| Envestnet Asset Management Inc | 32,122 | $1.19M | 0.00% | +32,122 | New |
| California State Teachers Retirement System | 31,167 | $1.16M | 0.00% | −43−0.1% | Reduced |
| Oliver Luxxe Assets LLC | 29,591 | $1.10M | 0.17% | +29,591 | New |
| D.A. Davidson & Co. | 28,678 | $1.07M | 0.01% | −381−1.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 27,917 | $1.04M | 0.05% | −2,404−7.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 27,559 | $1.02M | 0.00% | +1,795+7.0% | Added |
| Raymond James Financial Inc | 26,187 | $973.1K | 0.00% | −45−0.2% | Reduced |
| North Star Investment Management Corp. | 24,200 | $899.3K | 0.06% | 00.0% | Unchanged |
| Globeflex Capital L P | 23,005 | $854.9K | 0.13% | +4,910+27.1% | Added |
| SG Americas Securities, LLC | 22,612 | $840.0K | 0.00% | +7,799+52.6% | Added |
| Millennium Management LLC | 19,828 | $736.8K | 0.00% | +19,828 | New |
| STRS Ohio | 19,100 | $709.8K | 0.00% | +19,100 | New |
| Susquehanna International Group, LLP | 18,727 | $695.9K | 0.00% | +18,727 | New |
| MetLife Investment Management | 18,637 | $692.6K | 0.00% | −1,238−6.2% | Reduced |
| Toroso Investments, LLC | 17,609 | $654.4K | 0.00% | −350−1.9% | Reduced |
| Numerai GP LLC | 17,361 | $645.1K | 0.08% | −3,731−17.7% | Reduced |
| Denali Advisors LLC | 17,157 | $637.6K | 0.07% | +17,157 | New |
| Commerce Bank | 16,373 | $608.4K | 0.00% | −100−0.6% | Reduced |
| New York State Common Retirement Fund | 15,682 | $582.7K | 0.00% | +4,100+35.4% | Added |
| Snowden Capital Advisors LLC | 15,432 | $573.5K | 0.01% | +15,432 | New |