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 |
|---|---|---|---|---|---|
| Covestor Ltd | 5 | $0 | 0.00% | −1−16.7% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 1 | $50 | 0.00% | +1 | New |
| Freestone Grove Partners LP | 1 | $50 | 0.00% | +1 | New |
| Essential Partners LLC | 2 | $101 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 2 | $151 | 0.00% | −43−95.6% | Reduced |
| Stone House Investment Management, LLC | 7 | $353 | 0.00% | +7 | New |
| Bare Financial Services, Inc | 10 | $504 | 0.00% | +10 | New |
| Rothschild Investment LLC | 11 | $554 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 12 | $605 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 13 | $655 | 0.00% | +13 | New |
| Decker Retirement Planning Inc. | 15 | $756 | 0.00% | +15 | New |
| Transamerica Financial Advisors, Inc. | 17 | $856 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 24 | $1.21K | 0.00% | +23+2,300.0% | Added |
| Parallel Advisors, LLC | 29 | $1.46K | 0.00% | +23+383.3% | Added |
| Caitong International Asset Management Co., Ltd | 31 | $1.56K | 0.00% | −365−92.2% | Reduced |
| Fifth Third Bancorp | 32 | $1.59K | 0.00% | +32 | New |
| Farther Finance Advisors, LLC | 38 | $1.97K | 0.00% | +7+22.6% | Added |
| Quarry LP | 42 | $2.12K | 0.00% | −77−64.7% | Reduced |
| IMA Wealth, Inc. | 45 | $2.27K | 0.00% | −3−6.3% | Reduced |
| EverSource Wealth Advisors, LLC | 59 | $2.97K | 0.00% | +7+13.5% | Added |
| Root Financial Partners, LLC | 67 | $3.38K | 0.00% | +67 | New |
| True Wealth Design, LLC | 77 | $3.88K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 89 | $4.49K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 100 | $4.90K | 0.00% | 00.0% | Unchanged |
| Bullock Wealth Management Group | 118 | $6.11K | 0.00% | +118 | New |
| Optiver Holding B.V. | 122 | $6.15K | 0.00% | +64+110.3% | Added |
| Huntington National Bank | 144 | $7.26K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 189 | $9.53K | 0.00% | +74+64.3% | Added |
| Harbor Capital Advisors, Inc. | 199 | $10.0K | 0.00% | −12−5.7% | Reduced |
| Danske Bank A/S | 200 | $10.1K | 0.00% | −1,500−88.2% | Reduced |
| Larson Financial Group LLC | 227 | $11.4K | 0.00% | −236−51.0% | Reduced |
| Sunbelt Securities, Inc. | 260 | $13.1K | 0.00% | +100+62.5% | Added |
| Quadrant Capital Group LLC | 283 | $14.3K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 379 | $19.1K | 0.00% | +379 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 406 | $20.5K | 0.00% | +168+70.6% | Added |
| USA Financial Portformulas Corp | 417 | $21.0K | 0.00% | +417 | New |
| Nisa Investment Advisors, LLC | 607 | $30.6K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 615 | $31.0K | 0.00% | +15+2.5% | Added |
| CWM, LLC | 685 | $34.5K | 0.00% | +113+19.8% | Added |
| Assetmark, Inc | 869 | $43.8K | 0.00% | −661−43.2% | Reduced |
| NBC Securities, Inc. | 1,014 | $51.1K | 0.00% | +1,014 | New |
| Truvestments Capital LLC | 1,323 | $66.7K | 0.01% | +1,323 | New |
| Federated Hermes, Inc. | 1,490 | $75.1K | 0.00% | −1,989−57.2% | Reduced |
| State of Alaska, Department of Revenue | 1,826 | $92.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,002 | $100.9K | 0.00% | +182+10.0% | Added |
| Jones Financial Companies LLLP | 2,521 | $129.0K | 0.00% | +2,521 | New |
| Ameritas Investment Partners, Inc. | 2,747 | $138.4K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 3,011 | $152.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,088 | $155.6K | 0.00% | −1,978−39.0% | Reduced |
| Simplex Trading, LLC | 3,196 | $161.1K | 0.00% | −9,296−74.4% | Reduced |
| Great West Life Assurance Co | 3,483 | $176.0K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 4,035 | $203.4K | 0.00% | +4,035 | New |
| Amundi | 4,075 | $205.4K | 0.00% | +4,075 | New |
| Entropy Technologies, LP | 4,392 | $221.4K | 0.01% | −2,020−31.5% | Reduced |
| PenderFund Capital Management Ltd. | 4,400 | $221.8K | 0.03% | +4,400 | New |
| Jump Financial, LLC | 4,740 | $238.9K | 0.00% | −8,161−63.3% | Reduced |
| Graham Capital Management, L.P. | 4,828 | $243.3K | 0.01% | +4,828 | New |
| Swiss Life Asset Management Ltd | 4,931 | $248.5K | 0.00% | −988−16.7% | Reduced |
| Panagora Asset Management Inc | 5,215 | $262.8K | 0.00% | +5,215 | New |
| Prudential Financial Inc | 5,251 | $264.6K | 0.00% | −2,290−30.4% | Reduced |
| Pictet Asset Management Holding SA | 5,557 | $280.1K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 5,819 | $293.3K | 0.00% | −384−6.2% | Reduced |
| HSBC Holdings PLC | 5,929 | $296.3K | 0.00% | +5,929 | New |
| SG Americas Securities, LLC | 5,932 | $299.0K | 0.00% | −16,680−73.8% | Reduced |
| Congress Asset Management Co | 6,100 | $307.4K | 0.00% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 6,283 | $316.7K | 0.01% | +6,283 | New |
| Yorktown Management & Research Co Inc | 6,300 | $317.5K | 0.27% | +6,300 | New |
| Kestra Private Wealth Services, LLC | 6,662 | $335.8K | 0.00% | +6,662 | New |
| EP Wealth Advisors, LLC | 6,848 | $345.1K | 0.00% | +94+1.4% | Added |
| KLP Kapitalforvaltning AS | 7,100 | $357.8K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 7,170 | $361.4K | 0.04% | −1,986−21.7% | Reduced |
| Prelude Capital Management, LLC | 7,393 | $372.6K | 0.03% | +7,393 | New |
| Brown Advisory Inc | 7,603 | $383.2K | 0.00% | −448,814−98.3% | Reduced |
| BNP Paribas Arbitrage, SA | 7,675 | $386.8K | 0.00% | +147+2.0% | Added |
| Vanguard Investments Australia, Ltd. | 7,790 | $392.6K | 0.00% | +7,790 | New |
| Fiduciary Trust Co | 8,195 | $413.0K | 0.00% | −1,995−19.6% | Reduced |
| Royal Bank of Canada | 8,274 | $417.0K | 0.00% | −51,627−86.2% | Reduced |
| Quantinno Capital Management LP | 8,541 | $430.5K | 0.00% | +910+11.9% | Added |
| HRT Financial LP | 8,569 | $431.0K | 0.00% | +8,569 | New |
| Manufacturers Life Insurance Company, The | 8,752 | $441.1K | 0.00% | −1,152−11.6% | Reduced |
| Intech Investment Management LLC | 8,842 | $445.6K | 0.00% | −2,844−24.3% | Reduced |
| Arizona State Retirement System | 9,018 | $454.5K | 0.00% | −191−2.1% | Reduced |
| XTX Topco Ltd | 9,094 | $458.3K | 0.01% | +9,094 | New |
| GWM Advisors LLC | 9,105 | $458.9K | 0.00% | +5,917+185.6% | Added |
| Envestnet Asset Management Inc | 9,174 | $462.4K | 0.00% | −22,948−71.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 9,217 | $464.5K | 0.00% | 00.0% | Unchanged |
| Polen Capital Management LLC | 9,466 | $477.1K | 0.00% | +9,466 | New |
| Boston Partners | 9,734 | $490.6K | 0.00% | −2,053−17.4% | Reduced |
| US Bancorp | 10,035 | $505.8K | 0.00% | +35+0.4% | Added |
| State Board of Administration of Florida Retirement System | 10,091 | $508.6K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 10,111 | $509.6K | 0.00% | +3,674+57.1% | Added |
| Alps Advisors Inc | 10,620 | $535.2K | 0.00% | +10,620 | New |
| Sterling Capital Management LLC | 11,126 | $560.8K | 0.01% | +9,439+559.5% | Added |
| DRW Securities, LLC | 11,337 | $571.4K | 0.03% | +11,337 | New |
| ProShare Advisors LLC | 11,507 | $580.0K | 0.00% | +5,504+91.7% | Added |
| New York State Common Retirement Fund | 11,582 | $583.7K | 0.00% | −4,100−26.1% | Reduced |
| Advisor Group Holdings, Inc. | 11,730 | $591.2K | 0.00% | −1,159−9.0% | Reduced |
| Oxford Asset Management LLP | 12,496 | $629.8K | 0.25% | +12,496 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 12,689 | $639.5K | 0.00% | −14,870−54.0% | Reduced |
| Vanguard Global Advisers, LLC | 12,944 | $652.4K | 0.00% | +12,944 | New |