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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, Q2 2025

Institutional positions in Thermon Group Holdings, Inc. as of Jun 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
169
+10 vs. Q1 2025
Shares held
32.3M
+1.10M (+3.5%) vs. Q1 2025
Total value
$905.2M
+$37.0M (+4.3%) vs. Q1 2025
New holders
31
63 more added
Sold out
21
54 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 169 institutions
Q1 2021: 98 institutionsQ2 2021: 94 institutionsQ3 2021: 95 institutionsQ4 2021: 107 institutionsQ1 2022: 113 institutionsQ2 2022: 108 institutionsQ3 2022: 120 institutionsQ4 2022: 134 institutionsQ1 2023: 155 institutionsQ2 2023: 153 institutionsQ3 2023: 150 institutionsQ4 2023: 159 institutionsQ1 2024: 146 institutionsQ2 2024: 155 institutionsQ3 2024: 151 institutionsQ4 2024: 169 institutionsQ1 2025: 160 institutionsQ2 2025: 169 institutionsQ3 2025: 158 institutionsQ4 2025: 193 institutionsQ1 2026: 217 institutionsQ2 2026: 3 institutions
Value heldQ2 2025: $905.2M
Q1 2021: $616.5MQ2 2021: $536.1MQ3 2021: $545.0MQ4 2021: $529.5MQ1 2022: $508.2MQ2 2022: $449.0MQ3 2022: $488.7MQ4 2022: $629.9MQ1 2023: $793.2MQ2 2023: $839.7MQ3 2023: $878.5MQ4 2023: $1.04BQ1 2024: $1.08BQ2 2024: $980.3MQ3 2024: $948.2MQ4 2024: $933.8MQ1 2025: $868.2MQ2 2025: $905.2MQ3 2025: $885.2MQ4 2025: $1.23BQ1 2026: $1.65BQ2 2026: $4.78M
Institutions holding THR and their total value by quarter
QuarterHoldersValue
Q2 20263$4.78M
Q1 2026217$1.65B
Q4 2025193$1.23B
Q3 2025158$885.2M
Q2 2025169$905.2M
Q1 2025160$868.2M
Q4 2024169$933.8M
Q3 2024151$948.2M
Q2 2024155$980.3M
Q1 2024146$1.08B
Q4 2023159$1.04B
Q3 2023150$878.5M
Q2 2023153$839.7M
Q1 2023155$793.2M
Q4 2022134$629.9M
Q3 2022120$488.7M
Q2 2022108$449.0M
Q1 2022113$508.2M
Q4 2021107$529.5M
Q3 202195$545.0M
Q2 202194$536.1M
Q1 202198$616.5M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Thermon Group Holdings, Inc.; share changes are against Q1 2025.

Institutions holding THR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Legal & General Group Plc37,326$1.05M0.00%+127+0.3%Added
Quest Partners LLC37,632$1.06M0.10%+37,181+8,244.1%Added
Campbell & CO Investment Adviser LLC39,476$1.11M0.07%−6,220−13.6%Reduced
Victory Capital Management Inc40,235$1.13M0.00%−2,565−6.0%Reduced
PDT Partners, LLC46,429$1.30M0.07%+17,796+62.2%Added
Riverpoint Wealth Management Holdings, LLC49,530$1.39M0.33%+843+1.7%Added
Rhumbline Advisers50,018$1.40M0.00%+1,826+3.8%Added
Susquehanna International Group, LLP50,025$1.40M0.00%+3,359+7.2%Added
Jump Financial, LLC50,073$1.41M0.02%+38,754+342.4%Added
Invesco Ltd.53,344$1.50M0.00%−215,751−80.2%Reduced
Lazard Asset Management LLC54,444$1.53M0.00%+12,592+30.1%Added
Wedge Capital Management L L P58,554$1.64M0.03%+9,201+18.6%Added
Swiss National Bank64,300$1.81M0.00%−1,000−1.5%Reduced
Nuveen, LLC68,107$1.91M0.00%−24,419−26.4%Reduced
American Century Companies Inc69,493$1.95M0.00%+8,693+14.3%Added
Trexquant Investment LP70,803$1.99M0.02%+24,895+54.2%Added
Barclays PLC73,445$2.06M0.00%+26,542+56.6%Added
UBS Group AG74,435$2.09M0.00%−157,602−67.9%Reduced
Gsa Capital Partners LLP80,889$2.27M0.16%+53,199+192.1%Added
Wells Fargo & Company85,434$2.40M0.00%−307,727−78.3%Reduced
Renaissance Technologies LLC99,000$2.78M0.00%−4,900−4.7%Reduced
Diamond Hill Capital Management Inc99,377$2.79M0.01%+7,323+8.0%Added
UBS Asset Management Americas Inc100,106$2.81M0.00%+29,259+41.3%Added
Rice Hall James & Associates, LLC101,889$2.86M0.15%−8,662−7.8%Reduced
Blair William & Co106,637$2.99M0.01%−92,287−46.4%Reduced
Bank of America Corp107,224$3.01M0.00%+3,060+2.9%Added
Jane Street Group, LLC114,523$3.22M0.01%+75,393+192.7%Added
Bank of New York Mellon Corp115,967$3.26M0.00%+6,069+5.5%Added
Millennium Management LLC117,633$3.30M0.00%+108,400+1,174.0%Added
Assenagon Asset Management S.A.125,903$3.54M0.01%00.0%Unchanged
Russell Investments Group, Ltd.131,784$3.70M0.00%+10,879+9.0%Added
Price T Rowe Associates Inc134,198$3.77M0.00%+86,096+179.0%Added
Cubist Systematic Strategies, LLC159,810$4.49M0.05%+159,810New
Qube Research & Technologies Ltd162,361$4.56M0.01%+28,925+21.7%Added
RBF Capital, LLC174,684$4.91M0.24%+174,684New
Public Employees Retirement System of Ohio182,138$5.11M0.02%00.0%Unchanged
Lightrock Netherlands B.V.246,725$5.90M1.62%00.0%Unchanged
Goldman Sachs Group Inc216,676$6.08M0.00%−75,229−25.8%Reduced
Heartland Advisors Inc231,312$6.50M0.36%−2,103−0.9%Reduced
Royal Bank of Canada245,959$6.91M0.00%−12,893−5.0%Reduced
JPMorgan Chase & Co264,080$7.42M0.00%+12,428+4.9%Added
Morgan Stanley272,866$7.66M0.00%+68,092+33.3%Added
Meros Investment Management, LP282,655$7.94M3.77%+36,478+14.8%Added
Arrowstreet Capital, Limited Partnership283,889$7.97M0.01%+212,578+298.1%Added
Deutsche Bank AG285,618$8.02M0.00%+9,897+3.6%Added
Kennedy Capital Management, Inc.318,531$8.94M0.21%+13,000+4.3%Added
Northern Trust Corp334,690$9.40M0.00%+4,972+1.5%Added
First Eagle Investment Management, LLC349,111$9.80M0.02%−3,400−1.0%Reduced
Charles Schwab Investment Management Inc354,297$9.95M0.00%−23,592−6.2%Reduced
Hotchkis & Wiley Capital Management LLC467,784$13.1M0.04%+5,600+1.2%Added
New South Capital Management Inc499,635$14.0M0.68%−91,355−15.5%Reduced
Ameriprise Financial Inc548,001$15.4M0.00%+1,029+0.2%Added
GW&K Investment Management, LLC612,404$17.2M0.15%+20,142+3.4%Added
Needham Investment Management LLC623,500$17.5M1.40%−19,000−3.0%Reduced
Harvey Partners, LLC639,731$18.0M1.79%−63,269−9.0%Reduced
Swedbank AB653,000$18.3M0.02%+653,000New
State Street Corp779,794$21.9M0.00%+7,763+1.0%Added
Geode Capital Management, LLC791,132$22.2M0.00%+2,078+0.3%Added
Wellington Management Group LLP901,256$25.3M0.00%−346,665−27.8%Reduced
Medina Singh Partners, LLC953,917$26.8M7.33%+141,164+17.4%Added
William Blair Investment Management, LLC1,039,795$29.2M0.08%−82,523−7.4%Reduced
Brown Advisory Inc1,107,088$31.1M0.04%+133,145+13.7%Added
Kempen Capital Management N.V.1,171,120$32.9M0.31%−271,350−18.8%Reduced
Westwood Holdings Group Inc.1,317,236$37.0M0.27%+1,309,045+15,981.5%Added
Dimensional Fund Advisors LP1,769,140$49.7M0.01%−4,687−0.3%Reduced
T. Rowe Price Investment Management, Inc.2,160,464$60.7M0.04%−584,922−21.3%Reduced
FMR LLC2,422,340$68.0M0.00%+21,425+0.9%Added
BlackRock, Inc.2,626,553$73.8M0.00%−31,206−1.2%Reduced
Vanguard Group Inc3,221,963$90.5M0.00%−52,943−1.6%Reduced
AMH Equity Ltd0$00.00%−66,000−100.0%Sold out
First Trust Advisors LP0$00.00%−42,189−100.0%Sold out
SG Americas Securities, LLC0$00.00%−20,346−100.0%Sold out
Yarbrough Capital, LLC0$00.00%−17,192−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−16,339−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−15,049−100.0%Sold out
Norges Bank0$00.00%−8,000−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−8,000−100.0%Sold out
Congress Asset Management Co0$00.00%−7,895−100.0%Sold out
CIBC World Markets Corp0$00.00%−7,400−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−7,243−100.0%Sold out
ProShare Advisors LLC0$00.00%−7,220−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−1,003−100.0%Sold out
Signaturefd, LLC0$00.00%−367−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−323−100.0%Sold out
Mather Group, LLC.0$00.00%−92−100.0%Sold out
Versant Capital Management, Inc0$00.00%−90−100.0%Sold out
Toth Financial Advisory Corp0$00.00%−50−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−20−100.0%Sold out
Boston Private Wealth LLC0$00.00%−19−100.0%Sold out
Amundi0$00.00%−1−100.0%Sold out
Lindbrook Capital, LLC––––Not filed