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, Q1 2026
Institutional positions in Thermon Group Holdings, Inc. as of Mar 31, 2026. 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
THR is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 217
- +27 vs. Q4 2025
- Shares held
- 32.9M
- +3.00M (+10.1%) vs. Q4 2025
- Total value
- $1.65B
- +$542.8M (+48.9%) vs. Q4 2025
- New holders
- 67
- 56 more added
- Sold out
- 40
- 73 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Thermon Group Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quantbot Technologies LP | 13,133 | $661.9K | 0.03% | +13,110+57,000.0% | Added |
| Concentric Capital Strategies, LP | 13,288 | $669.7K | 0.06% | +13,288 | New |
| LMR Partners LLP | 13,688 | $689.9K | 0.01% | +13,688 | New |
| Hennion & Walsh Asset Management, Inc. | 13,748 | $692.9K | 0.02% | −351−2.5% | Reduced |
| Squarepoint Ops LLC | 13,998 | $705.5K | 0.00% | +13,998 | New |
| AQR Capital Management LLC | 14,374 | $724.4K | 0.00% | −20,686−59.0% | Reduced |
| Commerce Bank | 14,497 | $730.6K | 0.00% | −1,876−11.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 15,235 | $767.8K | 0.00% | −30−0.2% | Reduced |
| Virtu Financial LLC | 15,543 | $783.0K | 0.03% | +768+5.2% | Added |
| CSS LLC | 16,000 | $806.4K | 0.04% | +16,000 | New |
| STRS Ohio | 16,100 | $811.4K | 0.00% | −3,000−15.7% | Reduced |
| Teacher Retirement System of Texas | 16,299 | $821.5K | 0.00% | +4,635+39.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,740 | $894.1K | 0.00% | +10,011+129.5% | Added |
| Horizon Investment Services, LLC | 18,112 | $912.8K | 0.32% | +18,112 | New |
| Toroso Investments, LLC | 18,133 | $913.9K | 0.00% | +524+3.0% | Added |
| MetLife Investment Management | 18,481 | $931.4K | 0.00% | −156−0.8% | Reduced |
| Harvest Management LLC | 19,200 | $967.7K | 0.51% | +19,200 | New |
| Marshall Wace, LLP | 19,700 | $992.9K | 0.00% | +19,700 | New |
| Abc Arbitrage SA | 21,895 | $1.10M | 0.15% | +21,895 | New |
| Vanguard Asset Management, Ltd | 22,336 | $1.13M | 0.00% | +22,336 | New |
| Chicago Capital Management, LLC | 30,069 | $1.14M | 0.95% | +30,069 | New |
| Cerity Partners LLC | 22,683 | $1.14M | 0.00% | −57,218−71.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 22,830 | $1.15M | 0.02% | +22,830 | New |
| Barclays PLC | 23,173 | $1.17M | 0.00% | −38,675−62.5% | Reduced |
| Aquatic Capital Management LLC | 24,542 | $1.24M | 0.04% | +24,541+2,454,100.0% | Added |
| Raymond James Financial Inc | 26,335 | $1.33M | 0.00% | +148+0.6% | Added |
| Legal & General Group Plc | 27,351 | $1.38M | 0.00% | −6,307−18.7% | Reduced |
| Susquehanna International Group, LLP | 28,808 | $1.45M | 0.00% | +10,081+53.8% | Added |
| Credit Agricole S A | 31,000 | $1.56M | 0.01% | +31,000 | New |
| Versor Investments LP | 32,074 | $1.62M | 3.96% | +32,074 | New |
| Victory Capital Management Inc | 32,700 | $1.65M | 0.00% | −7,300−18.3% | Reduced |
| Water Island Capital LLC | 32,987 | $1.66M | 0.22% | +32,987 | New |
| Sagefield Capital LP | 33,867 | $1.71M | 0.12% | +33,867 | New |
| Stifel Financial Corp | 34,416 | $1.73M | 0.00% | +34,416 | New |
| Polar Asset Management Partners Inc. | 37,987 | $1.91M | 0.05% | +37,987 | New |
| Yakira Capital Management, Inc. | 38,096 | $1.92M | 0.56% | +38,096 | New |
| Principal Financial Group Inc | 38,321 | $1.93M | 0.00% | +3,435+9.8% | Added |
| Rhumbline Advisers | 38,824 | $1.96M | 0.00% | −1,163−2.9% | Reduced |
| New York Life Investment Management LLC | 39,205 | $1.98M | 0.02% | +39,205 | New |
| Wells Fargo & Company | 40,167 | $2.02M | 0.00% | −25,278−38.6% | Reduced |
| California State Teachers Retirement System | 40,701 | $2.05M | 0.00% | +9,534+30.6% | Added |
| SEI Investments Co | 41,316 | $2.08M | 0.00% | −13,379−24.5% | Reduced |
| Kintayl Capital LP | 44,382 | $2.24M | 1.38% | +44,382 | New |
| Citadel Advisors LLC | 46,955 | $2.37M | 0.00% | +46,955 | New |
| Riverpoint Wealth Management Holdings, LLC | 52,108 | $2.63M | 0.56% | +740+1.4% | Added |
| Martingale Asset Management L P | 54,709 | $2.76M | 0.07% | +5,012+10.1% | Added |
| Rice Hall James & Associates, LLC | 57,048 | $2.88M | 0.16% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 57,833 | $2.91M | 0.02% | +57,833 | New |
| Oliver Luxxe Assets LLC | 58,051 | $2.93M | 0.44% | +28,460+96.2% | Added |
| UBS Asset Management Americas Inc | 58,894 | $2.97M | 0.00% | +1,457+2.5% | Added |
| EAM Investors, LLC | 62,328 | $3.14M | 0.36% | −6,339−9.2% | Reduced |
| Swiss National Bank | 65,200 | $3.29M | 0.00% | 00.0% | Unchanged |
| Hotchkis & Wiley Capital Management LLC | 66,219 | $3.34M | 0.01% | −371,333−84.9% | Reduced |
| Hirtle Callaghan & Co LLC | 75,000 | $3.78M | 0.13% | +75,000 | New |
| American Century Companies Inc | 78,863 | $3.97M | 0.00% | +2,640+3.5% | Added |
| 1060 Capital, LLC | 89,625 | $4.52M | 5.49% | −35,375−28.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 94,180 | $4.75M | 0.01% | +25,820+37.8% | Added |
| Hudson Bay Capital Management LP | 100,000 | $5.04M | 0.03% | +100,000 | New |
| Diamond Hill Capital Management Inc | 100,199 | $5.05M | 0.03% | −19,816−16.5% | Reduced |
| De Lisle Partners LLP | 104,194 | $5.25M | 0.63% | +104,194 | New |
| Bank of New York Mellon Corp | 109,534 | $5.52M | 0.00% | −5,262−4.6% | Reduced |
| Intrinsic Edge Capital Management LLC | 110,000 | $5.54M | 1.01% | −120,000−52.2% | Reduced |
| Atom Investors LP | 111,077 | $5.60M | 0.40% | −23,772−17.6% | Reduced |
| Alberta Investment Management Corp | 114,567 | $5.77M | 0.04% | +114,567 | New |
| Allspring Global Investments Holdings, LLC | 125,825 | $6.34M | 0.01% | +24,693+24.4% | Added |
| Lazard Asset Management LLC | 147,930 | $7.46M | 0.01% | +20,548+16.1% | Added |
| RBF Capital, LLC | 150,000 | $7.56M | 0.37% | −5,000−3.2% | Reduced |
| Bank of America Corp | 153,491 | $7.74M | 0.00% | −70,638−31.5% | Reduced |
| Oberweis Asset Management Inc | 154,700 | $7.80M | 0.23% | +154,700 | New |
| Russell Investments Group, Ltd. | 156,754 | $7.90M | 0.01% | −6,105−3.7% | Reduced |
| Morgan Stanley | 165,468 | $8.34M | 0.00% | −1,010,300−85.9% | Reduced |
| Public Employees Retirement System of Ohio | 169,388 | $8.54M | 0.03% | −4,046−2.3% | Reduced |
| Alliancebernstein L.P. | 250,167 | $9.30M | 0.00% | +216,247+637.5% | Added |
| Silvercrest Asset Management Group LLC | 187,770 | $9.46M | 0.07% | +187,770 | New |
| Price T Rowe Associates Inc | 195,526 | $9.86M | 0.00% | +19,044+10.8% | Added |
| Jane Street Group, LLC | 205,581 | $10.4M | 0.01% | +97,674+90.5% | Added |
| Millennium Management LLC | 212,505 | $10.7M | 0.01% | +192,677+971.7% | Added |
| Vanguard Fiduciary Trust Co | 213,453 | $10.8M | 0.00% | +213,453 | New |
| JPMorgan Chase & Co | 234,793 | $11.5M | 0.00% | −102,357−30.4% | Reduced |
| Meros Investment Management, LP | 241,463 | $12.2M | 5.27% | −98,212−28.9% | Reduced |
| Janus Henderson Group PLC | 243,471 | $12.3M | 0.01% | −7,342−2.9% | Reduced |
| Charles Schwab Investment Management Inc | 269,314 | $13.6M | 0.00% | −70,422−20.7% | Reduced |
| Invesco Ltd. | 294,827 | $14.9M | 0.00% | +21,759+8.0% | Added |
| First Eagle Investment Management, LLC | 305,373 | $15.4M | 0.03% | −95,137−23.8% | Reduced |
| Northern Trust Corp | 313,446 | $15.8M | 0.00% | −81,752−20.7% | Reduced |
| Deutsche Bank AG | 319,662 | $16.1M | 0.01% | +3,525+1.1% | Added |
| UBS Group AG | 336,551 | $17.0M | 0.00% | +31,481+10.3% | Added |
| Assenagon Asset Management S.A. | 345,731 | $17.4M | 0.03% | +90,037+35.2% | Added |
| Two Sigma Investments, LP | 356,278 | $18.0M | 0.01% | +268,237+304.7% | Added |
| Kennedy Capital Management, Inc. | 368,773 | $18.6M | 0.39% | −15,081−3.9% | Reduced |
| CNH Partners LLC | 416,851 | $21.0M | 0.35% | +416,851 | New |
| Nuveen, LLC | 428,179 | $21.6M | 0.01% | +207,526+94.1% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 448,088 | $22.6M | 0.31% | +448,088 | New |
| Balyasny Asset Management LLC | 450,549 | $22.7M | 0.04% | +435,969+2,990.2% | Added |
| New South Capital Management Inc | 458,387 | $23.1M | 1.11% | −16,212−3.4% | Reduced |
| Swedbank AB | 470,000 | $23.7M | 0.02% | −224,000−32.3% | Reduced |
| Alpine Associates Management Inc. | 485,882 | $24.5M | 1.44% | +485,882 | New |
| Goldman Sachs Group Inc | 486,880 | $24.5M | 0.00% | +245,977+102.1% | Added |
| Qube Research & Technologies Ltd | 508,956 | $25.7M | 0.04% | +383,336+305.2% | Added |
| Kempen Capital Management N.V. | 516,471 | $26.0M | 0.23% | −173,206−25.1% | Reduced |