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, Q3 2025
Institutional positions in Thermon Group Holdings, Inc. as of Sep 30, 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
- 158
- −10 vs. Q2 2025
- Shares held
- 33.2M
- +903.3K (+2.8%) vs. Q2 2025
- Total value
- $885.2M
- −$20.0M (−2.2%) vs. Q2 2025
- New holders
- 20
- 63 more added
- Sold out
- 30
- 52 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Thermon Group Holdings, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,168,931 | $84.7M | 0.00% | −53,032−1.6% | Reduced |
| BlackRock, Inc. | 2,535,400 | $67.7M | 0.00% | −91,153−3.5% | Reduced |
| FMR LLC | 2,423,533 | $64.8M | 0.00% | +1,1930.0% | Added |
| Dimensional Fund Advisors LP | 1,769,214 | $47.3M | 0.01% | +740.0% | Added |
| Westwood Holdings Group Inc. | 1,487,163 | $39.7M | 0.28% | +169,927+12.9% | Added |
| GW&K Investment Management, LLC | 1,429,542 | $38.2M | 0.34% | +817,138+133.4% | Added |
| T. Rowe Price Investment Management, Inc. | 1,169,523 | $31.3M | 0.02% | −990,941−45.9% | Reduced |
| Kempen Capital Management N.V. | 1,125,050 | $30.1M | 0.27% | −46,070−3.9% | Reduced |
| Medina Singh Partners, LLC | 987,165 | $26.4M | 6.16% | +33,248+3.5% | Added |
| William Blair Investment Management, LLC | 980,348 | $26.2M | 0.07% | −59,447−5.7% | Reduced |
| Brown Advisory Inc | 881,566 | $23.6M | 0.03% | −225,522−20.4% | Reduced |
| Wellington Management Group LLP | 856,239 | $22.9M | 0.00% | −45,017−5.0% | Reduced |
| State Street Corp | 782,428 | $20.9M | 0.00% | +2,634+0.3% | Added |
| Geode Capital Management, LLC | 780,503 | $20.9M | 0.00% | −10,629−1.3% | Reduced |
| Harvey Partners, LLC | 771,500 | $20.6M | 1.88% | +131,769+20.6% | Added |
| Swedbank AB | 758,000 | $20.3M | 0.02% | +105,000+16.1% | Added |
| Morgan Stanley | 719,525 | $19.2M | 0.00% | +446,659+163.7% | Added |
| Needham Investment Management LLC | 623,500 | $16.7M | 1.16% | 00.0% | Unchanged |
| New South Capital Management Inc | 493,619 | $13.2M | 0.60% | −6,016−1.2% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 492,782 | $13.2M | 0.04% | +24,998+5.3% | Added |
| Ameriprise Financial Inc | 489,786 | $13.1M | 0.00% | −58,215−10.6% | Reduced |
| Kennedy Capital Management, Inc. | 440,165 | $11.8M | 0.26% | +121,634+38.2% | Added |
| Arrowstreet Capital, Limited Partnership | 428,646 | $11.5M | 0.01% | +144,757+51.0% | Added |
| First Eagle Investment Management, LLC | 391,978 | $10.5M | 0.02% | +42,867+12.3% | Added |
| Meros Investment Management, LP | 352,001 | $9.41M | 4.02% | +69,346+24.5% | Added |
| Charles Schwab Investment Management Inc | 348,952 | $9.32M | 0.00% | −5,345−1.5% | Reduced |
| Northern Trust Corp | 326,414 | $8.72M | 0.00% | −8,276−2.5% | Reduced |
| Deutsche Bank AG | 314,081 | $8.39M | 0.00% | +28,463+10.0% | Added |
| UBS Group AG | 288,370 | $7.71M | 0.00% | +213,935+287.4% | Added |
| JPMorgan Chase & Co | 262,237 | $7.01M | 0.00% | −1,843−0.7% | Reduced |
| Lightrock Netherlands B.V. | 307,075 | $6.98M | 1.83% | +60,350+24.5% | Added |
| Heartland Advisors Inc | 256,044 | $6.84M | 0.36% | +24,732+10.7% | Added |
| Assenagon Asset Management S.A. | 255,694 | $6.83M | 0.01% | +129,791+103.1% | Added |
| Goldman Sachs Group Inc | 240,087 | $6.42M | 0.00% | +23,411+10.8% | Added |
| Price T Rowe Associates Inc | 211,547 | $5.65M | 0.00% | +77,349+57.6% | Added |
| Public Employees Retirement System of Ohio | 197,425 | $5.28M | 0.02% | +15,287+8.4% | Added |
| Qube Research & Technologies Ltd | 178,112 | $4.76M | 0.01% | +15,751+9.7% | Added |
| Russell Investments Group, Ltd. | 172,123 | $4.60M | 0.01% | +40,339+30.6% | Added |
| RBF Capital, LLC | 170,000 | $4.54M | 0.21% | −4,684−2.7% | Reduced |
| Wedge Capital Management L L P | 165,479 | $4.42M | 0.07% | +106,925+182.6% | Added |
| Bank of America Corp | 164,939 | $4.41M | 0.00% | +57,715+53.8% | Added |
| Citadel Advisors LLC | 163,947 | $4.38M | 0.00% | +163,947 | New |
| Two Sigma Investments, LP | 156,246 | $4.17M | 0.01% | +133,617+590.5% | Added |
| Two Sigma Advisers, LP | 120,562 | $3.22M | 0.01% | +85,100+240.0% | Added |
| Intrinsic Edge Capital Management LLC | 120,000 | $3.21M | 0.49% | +120,000 | New |
| Bank of New York Mellon Corp | 117,860 | $3.15M | 0.00% | +1,893+1.6% | Added |
| Royal Bank of Canada | 117,863 | $3.15M | 0.00% | −128,096−52.1% | Reduced |
| Diamond Hill Capital Management Inc | 96,455 | $2.58M | 0.01% | −2,922−2.9% | Reduced |
| American Century Companies Inc | 79,753 | $2.13M | 0.00% | +10,260+14.8% | Added |
| D. E. Shaw & Co., Inc. | 70,349 | $1.88M | 0.00% | +56,468+406.8% | Added |
| Rice Hall James & Associates, LLC | 68,851 | $1.84M | 0.10% | −33,038−32.4% | Reduced |
| Nuveen, LLC | 68,107 | $1.82M | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 66,303 | $1.77M | 0.07% | +58,485+748.1% | Added |
| Renaissance Technologies LLC | 64,600 | $1.73M | 0.00% | −34,400−34.7% | Reduced |
| Swiss National Bank | 64,300 | $1.72M | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 60,102 | $1.61M | 0.00% | −46,535−43.6% | Reduced |
| Wells Fargo & Company | 58,155 | $1.55M | 0.00% | −27,279−31.9% | Reduced |
| Barclays PLC | 57,071 | $1.52M | 0.00% | −16,374−22.3% | Reduced |
| UBS Asset Management Americas Inc | 55,523 | $1.48M | 0.00% | −44,583−44.5% | Reduced |
| Riverpoint Wealth Management Holdings, LLC | 50,360 | $1.35M | 0.30% | +830+1.7% | Added |
| Invesco Ltd. | 50,078 | $1.34M | 0.00% | −3,266−6.1% | Reduced |
| Rhumbline Advisers | 48,151 | $1.29M | 0.00% | −1,867−3.7% | Reduced |
| Atom Investors LP | 46,843 | $1.25M | 0.09% | +46,843 | New |
| Victory Capital Management Inc | 44,835 | $1.20M | 0.00% | +4,600+11.4% | Added |
| Comerica Bank | 41,589 | $1.11M | 0.00% | +27,741+200.3% | Added |
| Legal & General Group Plc | 38,133 | $1.02M | 0.00% | +807+2.2% | Added |
| Verition Fund Management LLC | 35,707 | $954.1K | 0.01% | +12,994+57.2% | Added |
| Jane Street Group, LLC | 35,682 | $953.4K | 0.00% | −78,841−68.8% | Reduced |
| Jump Financial, LLC | 34,880 | $932.0K | 0.01% | −15,193−30.3% | Reduced |
| Alliancebernstein L.P. | 33,920 | $906.3K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 33,786 | $902.8K | 0.00% | +4,939+17.1% | Added |
| Cerity Partners LLC | 31,619 | $844.9K | 0.00% | +8,015+34.0% | Added |
| Hennion & Walsh Asset Management, Inc. | 31,267 | $835.5K | 0.03% | −786−2.5% | Reduced |
| California State Teachers Retirement System | 31,210 | $833.9K | 0.00% | −110.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 30,321 | $810.2K | 0.06% | −9,155−23.2% | Reduced |
| D.A. Davidson & Co. | 29,059 | $776.5K | 0.00% | +1,534+5.6% | Added |
| TD Asset Management Inc | 26,694 | $713.3K | 0.00% | −2,466−8.5% | Reduced |
| Raymond James Financial Inc | 26,232 | $700.9K | 0.00% | +150+0.6% | Added |
| BNP Paribas Arbitrage, SA | 25,821 | $689.9K | 0.00% | +22,585+697.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 25,764 | $688.4K | 0.00% | +17,983+231.1% | Added |
| Principal Financial Group Inc | 24,478 | $654.1K | 0.00% | +5,118+26.4% | Added |
| North Star Investment Management Corp. | 24,200 | $646.6K | 0.04% | 00.0% | Unchanged |
| Citigroup Inc | 24,052 | $642.7K | 0.00% | −4,245−15.0% | Reduced |
| Janus Henderson Group PLC | 23,656 | $632.3K | 0.00% | +9,081+62.3% | Added |
| Numerai GP LLC | 21,092 | $563.6K | 0.08% | +21,092 | New |
| NJ State Employees Deferred Compensation Plan | 20,000 | $534.4K | 0.06% | 00.0% | Unchanged |
| Vident Advisory, LLC | 19,925 | $532.4K | 0.01% | +19,925 | New |
| MetLife Investment Management | 19,875 | $531.1K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 18,852 | $503.7K | 0.20% | −5,338−22.1% | Reduced |
| SEI Investments Co | 18,493 | $494.1K | 0.00% | +1,723+10.3% | Added |
| Globeflex Capital L P | 18,095 | $483.5K | 0.07% | −5,785−24.2% | Reduced |
| Toroso Investments, LLC | 17,959 | $479.9K | 0.00% | −839−4.5% | Reduced |
| Voya Investment Management LLC | 16,963 | $453.3K | 0.00% | −5,783−25.4% | Reduced |
| Commerce Bank | 16,473 | $440.2K | 0.00% | +5,525+50.5% | Added |
| Clifford Capital Partners LLC | 16,224 | $433.5K | 0.07% | +4,878+43.0% | Added |
| Teacher Retirement System of Texas | 15,507 | $414.3K | 0.00% | +15,507 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 15,275 | $408.1K | 0.00% | −2,983−16.3% | Reduced |
| SG Americas Securities, LLC | 14,813 | $396.0K | 0.00% | +14,813 | New |
| Man Group plc | 14,639 | $391.2K | 0.00% | +1,603+12.3% | Added |
| Boston Partners | 14,467 | $386.6K | 0.00% | +2,972+25.9% | Added |