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 |
|---|---|---|---|---|---|
| Harvest Management LLC | 19,200 | $967.7K | 0.51% | +19,200 | New |
| MetLife Investment Management | 18,481 | $931.4K | 0.00% | −156−0.8% | Reduced |
| Toroso Investments, LLC | 18,133 | $913.9K | 0.00% | +524+3.0% | Added |
| Horizon Investment Services, LLC | 18,112 | $912.8K | 0.32% | +18,112 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,740 | $894.1K | 0.00% | +10,011+129.5% | Added |
| Teacher Retirement System of Texas | 16,299 | $821.5K | 0.00% | +4,635+39.7% | Added |
| STRS Ohio | 16,100 | $811.4K | 0.00% | −3,000−15.7% | Reduced |
| CSS LLC | 16,000 | $806.4K | 0.04% | +16,000 | New |
| Virtu Financial LLC | 15,543 | $783.0K | 0.03% | +768+5.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 15,235 | $767.8K | 0.00% | −30−0.2% | Reduced |
| Commerce Bank | 14,497 | $730.6K | 0.00% | −1,876−11.5% | Reduced |
| AQR Capital Management LLC | 14,374 | $724.4K | 0.00% | −20,686−59.0% | Reduced |
| Squarepoint Ops LLC | 13,998 | $705.5K | 0.00% | +13,998 | New |
| Hennion & Walsh Asset Management, Inc. | 13,748 | $692.9K | 0.02% | −351−2.5% | Reduced |
| LMR Partners LLP | 13,688 | $689.9K | 0.01% | +13,688 | New |
| Concentric Capital Strategies, LP | 13,288 | $669.7K | 0.06% | +13,288 | New |
| Quantbot Technologies LP | 13,133 | $661.9K | 0.03% | +13,110+57,000.0% | Added |
| Vanguard Global Advisers, LLC | 12,944 | $652.4K | 0.00% | +12,944 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 12,689 | $639.5K | 0.00% | −14,870−54.0% | Reduced |
| Oxford Asset Management LLP | 12,496 | $629.8K | 0.25% | +12,496 | New |
| Advisor Group Holdings, Inc. | 11,730 | $591.2K | 0.00% | −1,159−9.0% | Reduced |
| New York State Common Retirement Fund | 11,582 | $583.7K | 0.00% | −4,100−26.1% | Reduced |
| ProShare Advisors LLC | 11,507 | $580.0K | 0.00% | +5,504+91.7% | Added |
| DRW Securities, LLC | 11,337 | $571.4K | 0.03% | +11,337 | New |
| Sterling Capital Management LLC | 11,126 | $560.8K | 0.01% | +9,439+559.5% | Added |
| Alps Advisors Inc | 10,620 | $535.2K | 0.00% | +10,620 | New |
| Creative Planning | 10,111 | $509.6K | 0.00% | +3,674+57.1% | Added |
| State Board of Administration of Florida Retirement System | 10,091 | $508.6K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 10,035 | $505.8K | 0.00% | +35+0.4% | Added |
| Boston Partners | 9,734 | $490.6K | 0.00% | −2,053−17.4% | Reduced |
| Polen Capital Management LLC | 9,466 | $477.1K | 0.00% | +9,466 | New |
| Police & Firemen's Retirement System of New Jersey | 9,217 | $464.5K | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 9,174 | $462.4K | 0.00% | −22,948−71.4% | Reduced |
| GWM Advisors LLC | 9,105 | $458.9K | 0.00% | +5,917+185.6% | Added |
| XTX Topco Ltd | 9,094 | $458.3K | 0.01% | +9,094 | New |
| Arizona State Retirement System | 9,018 | $454.5K | 0.00% | −191−2.1% | Reduced |
| Intech Investment Management LLC | 8,842 | $445.6K | 0.00% | −2,844−24.3% | Reduced |
| Manufacturers Life Insurance Company, The | 8,752 | $441.1K | 0.00% | −1,152−11.6% | Reduced |
| HRT Financial LP | 8,569 | $431.0K | 0.00% | +8,569 | New |
| Quantinno Capital Management LP | 8,541 | $430.5K | 0.00% | +910+11.9% | Added |
| Royal Bank of Canada | 8,274 | $417.0K | 0.00% | −51,627−86.2% | Reduced |
| Fiduciary Trust Co | 8,195 | $413.0K | 0.00% | −1,995−19.6% | Reduced |
| Vanguard Investments Australia, Ltd. | 7,790 | $392.6K | 0.00% | +7,790 | New |
| BNP Paribas Arbitrage, SA | 7,675 | $386.8K | 0.00% | +147+2.0% | Added |
| Brown Advisory Inc | 7,603 | $383.2K | 0.00% | −448,814−98.3% | Reduced |
| Prelude Capital Management, LLC | 7,393 | $372.6K | 0.03% | +7,393 | New |
| State of Wyoming | 7,170 | $361.4K | 0.04% | −1,986−21.7% | Reduced |
| KLP Kapitalforvaltning AS | 7,100 | $357.8K | 0.00% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 6,848 | $345.1K | 0.00% | +94+1.4% | Added |
| Kestra Private Wealth Services, LLC | 6,662 | $335.8K | 0.00% | +6,662 | New |
| Yorktown Management & Research Co Inc | 6,300 | $317.5K | 0.27% | +6,300 | New |
| Susquehanna Fundamental Investments, LLC | 6,283 | $316.7K | 0.01% | +6,283 | New |
| Congress Asset Management Co | 6,100 | $307.4K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 5,932 | $299.0K | 0.00% | −16,680−73.8% | Reduced |
| HSBC Holdings PLC | 5,929 | $296.3K | 0.00% | +5,929 | New |
| Voya Investment Management LLC | 5,819 | $293.3K | 0.00% | −384−6.2% | Reduced |
| Pictet Asset Management Holding SA | 5,557 | $280.1K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 5,251 | $264.6K | 0.00% | −2,290−30.4% | Reduced |
| Panagora Asset Management Inc | 5,215 | $262.8K | 0.00% | +5,215 | New |
| Swiss Life Asset Management Ltd | 4,931 | $248.5K | 0.00% | −988−16.7% | Reduced |
| Graham Capital Management, L.P. | 4,828 | $243.3K | 0.01% | +4,828 | New |
| Jump Financial, LLC | 4,740 | $238.9K | 0.00% | −8,161−63.3% | Reduced |
| PenderFund Capital Management Ltd. | 4,400 | $221.8K | 0.03% | +4,400 | New |
| Entropy Technologies, LP | 4,392 | $221.4K | 0.01% | −2,020−31.5% | Reduced |
| Amundi | 4,075 | $205.4K | 0.00% | +4,075 | New |
| Mercer Global Advisors Inc | 4,035 | $203.4K | 0.00% | +4,035 | New |
| Great West Life Assurance Co | 3,483 | $176.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,196 | $161.1K | 0.00% | −9,296−74.4% | Reduced |
| The PNC Financial Services Group, Inc. | 3,088 | $155.6K | 0.00% | −1,978−39.0% | Reduced |
| New York State Teachers Retirement System | 3,011 | $152.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,747 | $138.4K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 2,521 | $129.0K | 0.00% | +2,521 | New |
| Tower Research Capital LLC (TRC) | 2,002 | $100.9K | 0.00% | +182+10.0% | Added |
| State of Alaska, Department of Revenue | 1,826 | $92.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,490 | $75.1K | 0.00% | −1,989−57.2% | Reduced |
| Truvestments Capital LLC | 1,323 | $66.7K | 0.01% | +1,323 | New |
| NBC Securities, Inc. | 1,014 | $51.1K | 0.00% | +1,014 | New |
| Assetmark, Inc | 869 | $43.8K | 0.00% | −661−43.2% | Reduced |
| CWM, LLC | 685 | $34.5K | 0.00% | +113+19.8% | Added |
| MAI Capital Management | 615 | $31.0K | 0.00% | +15+2.5% | Added |
| Nisa Investment Advisors, LLC | 607 | $30.6K | 0.00% | 00.0% | Unchanged |
| USA Financial Portformulas Corp | 417 | $21.0K | 0.00% | +417 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 406 | $20.5K | 0.00% | +168+70.6% | Added |
| Group One Trading, L.P. | 379 | $19.1K | 0.00% | +379 | New |
| Quadrant Capital Group LLC | 283 | $14.3K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 260 | $13.1K | 0.00% | +100+62.5% | Added |
| Larson Financial Group LLC | 227 | $11.4K | 0.00% | −236−51.0% | Reduced |
| Danske Bank A/S | 200 | $10.1K | 0.00% | −1,500−88.2% | Reduced |
| Harbor Capital Advisors, Inc. | 199 | $10.0K | 0.00% | −12−5.7% | Reduced |
| GAMMA Investing LLC | 189 | $9.53K | 0.00% | +74+64.3% | Added |
| Huntington National Bank | 144 | $7.26K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 122 | $6.15K | 0.00% | +64+110.3% | Added |
| Bullock Wealth Management Group | 118 | $6.11K | 0.00% | +118 | New |
| Smartleaf Asset Management LLC | 100 | $4.90K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 89 | $4.49K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 77 | $3.88K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 67 | $3.38K | 0.00% | +67 | New |
| EverSource Wealth Advisors, LLC | 59 | $2.97K | 0.00% | +7+13.5% | Added |
| IMA Wealth, Inc. | 45 | $2.27K | 0.00% | −3−6.3% | Reduced |
| Quarry LP | 42 | $2.12K | 0.00% | −77−64.7% | Reduced |