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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.

Q1 2026 vs. Q4 2025

How the institutions holding Thermon Group Holdings, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of THR: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1933217+27
Shares33.0M3.10M32.9M+3.00M (+10.1%)
Value$1.23B$115.3M$1.65B+$542.8M (+48.9%)

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (67)

Institutions that held Thermon Group Holdings, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to THR in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Portfolio Management LLC1,404,091$70.8M0.00%
Vanguard Capital Management LLC1,387,057$69.9M0.00%
Magnetar Financial LLC757,996$38.2M0.39%
Alpine Associates Management Inc.485,882$24.5M1.44%
Soros Fund Management LLCSuperinvestorSoros Fund Management448,088$22.6M0.31%
CNH Partners LLC416,851$21.0M0.35%
Vanguard Fiduciary Trust Co213,453$10.8M0.00%
Silvercrest Asset Management Group LLC187,770$9.46M0.07%
Oberweis Asset Management Inc154,700$7.80M0.23%
Alberta Investment Management Corp114,567$5.77M0.04%
De Lisle Partners LLP104,194$5.25M0.63%
Hudson Bay Capital Management LP100,000$5.04M0.03%
Hirtle Callaghan & Co LLC75,000$3.78M0.13%
Tudor Investment Corp Et Al57,833$2.91M0.02%
Citadel Advisors LLC46,955$2.37M0.00%
Kintayl Capital LP44,382$2.24M1.38%
New York Life Investment Management LLC39,205$1.98M0.02%
Yakira Capital Management, Inc.38,096$1.92M0.56%
Polar Asset Management Partners Inc.37,987$1.91M0.05%
Stifel Financial Corp34,416$1.73M0.00%
Sagefield Capital LP33,867$1.71M0.12%
Water Island Capital LLC32,987$1.66M0.22%
Versor Investments LP32,074$1.62M3.96%
Credit Agricole S A31,000$1.56M0.01%
Y-Intercept (Hong Kong) Ltd22,830$1.15M0.02%
Chicago Capital Management, LLC30,069$1.14M0.95%
Vanguard Asset Management, Ltd22,336$1.13M0.00%
Abc Arbitrage SA21,895$1.10M0.15%
Marshall Wace, LLP19,700$992.9K0.00%
Harvest Management LLC19,200$967.7K0.51%
Horizon Investment Services, LLC18,112$912.8K0.32%
CSS LLC16,000$806.4K0.04%
Squarepoint Ops LLC13,998$705.5K0.00%
LMR Partners LLP13,688$689.9K0.01%
Concentric Capital Strategies, LP13,288$669.7K0.06%
Vanguard Global Advisers, LLC12,944$652.4K0.00%
Oxford Asset Management LLP12,496$629.8K0.25%
DRW Securities, LLC11,337$571.4K0.03%
Alps Advisors Inc10,620$535.2K0.00%
Polen Capital Management LLC9,466$477.1K0.00%
XTX Topco Ltd9,094$458.3K0.01%
HRT Financial LP8,569$431.0K0.00%
Vanguard Investments Australia, Ltd.7,790$392.6K0.00%
Prelude Capital Management, LLC7,393$372.6K0.03%
Kestra Private Wealth Services, LLC6,662$335.8K0.00%
Yorktown Management & Research Co Inc6,300$317.5K0.27%
Susquehanna Fundamental Investments, LLC6,283$316.7K0.01%
HSBC Holdings PLC5,929$296.3K0.00%
Panagora Asset Management Inc5,215$262.8K0.00%
Graham Capital Management, L.P.4,828$243.3K0.01%
PenderFund Capital Management Ltd.4,400$221.8K0.03%
Amundi4,075$205.4K0.00%
Mercer Global Advisors Inc4,035$203.4K0.00%
Jones Financial Companies LLLP2,521$129.0K0.00%
Truvestments Capital LLC1,323$66.7K0.01%
NBC Securities, Inc.1,014$51.1K0.00%
USA Financial Portformulas Corp417$21.0K0.00%
Group One Trading, L.P.379$19.1K0.00%
Bullock Wealth Management Group118$6.11K0.00%
Root Financial Partners, LLC67$3.38K0.00%
Fifth Third Bancorp32$1.59K0.00%
Decker Retirement Planning Inc.15$7560.00%
Northwestern Mutual Wealth Management Co13$6550.00%
Bare Financial Services, Inc10$5040.00%
Stone House Investment Management, LLC7$3530.00%
Twin Peaks Wealth Advisors, LLC1$500.00%
Freestone Grove Partners LP1$500.00%

Sold out (40)

Institutions that held Thermon Group Holdings, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of THR in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Wellington Management Group LLP731,373$27.2M
Clifford Capital Partners LLC430,230$16.0M
Heartland Advisors Inc255,533$9.50M
Lightrock Netherlands B.V.248,075$9.22M
Wedge Capital Management L L P142,253$5.29M
Two Sigma Advisers, LP100,562$3.74M
Dark Forest Capital Management LP77,101$2.87M
Peregrine Asset Advisers, Inc.61,413$2.28M
Blair William & Co61,065$2.27M
Integrated Quantitative Investments LLC56,108$2.08M
Man Group plc48,447$1.80M
CWM Advisors, LLC32,853$1.22M
D.A. Davidson & Co.28,678$1.07M
Campbell & CO Investment Adviser LLC27,917$1.04M
North Star Investment Management Corp.24,200$899.3K
Globeflex Capital L P23,005$854.9K
Numerai GP LLC17,361$645.1K
Denali Advisors LLC17,157$637.6K
Snowden Capital Advisors LLC15,432$573.5K
Brevan Howard Capital Management LP15,288$568.1K
Walleye Capital LLC15,018$558.1K
D. E. Shaw & Co., Inc.14,358$533.5K
Aster Capital Management (DIFC) Ltd13,923$517.4K
EntryPoint Capital, LLC13,472$500.6K
Legato Capital Management LLC12,558$466.7K
Cambridge Investment Research Advisors, Inc.12,469$463.0K
Renaissance Technologies LLC11,800$438.5K
Verition Fund Management LLC11,232$417.4K
Lighthouse Investment Partners, LLC10,830$402.4K
Equitable Trust Co8,854$329.0K
Quest Partners LLC8,353$310.4K
Bailard, Inc.7,800$289.8K
Captrust Financial Advisors6,296$234.0K
Aristides Capital LLC5,501$204.4K
Kemnay Advisory Services Inc.2,626$97.6K
Nkcfo LLC2,295$85.0K
Amalgamated Bank1,033$38.0K
First Horizon Corp652$24.2K
Rockefeller Capital Management L.P.387$14.4K
T. Rowe Price Investment Management, Inc.9$1.00K

Not filed for Q1 2026 yet (3)

Institutions that held Thermon Group Holdings, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding THR in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc3,069,937$114.1M
Comerica Bank34,032$1.26M
CIBC Private Wealth Group, LLC23$855