Thermon Group HoldingsTHR

13F holders, Q1 2026 (March 31)
217holders +24
61new positions
38sold out
5famous investors
$50.28avg. 13F price*

At the end of Q1 2026, 217 institutions reported holding Thermon Group Holdings Inc. (THR) in their 13F filings, up 24 from Q4 2025. 61 opened new positions and 38 sold out. The largest holders were FMR LLC ($149.7M), BlackRock, Inc. ($130.4M) and Dimensional Fund Advisors LP ($87.2M). 5 famous investors held it, including George Soros (0.4% of Soros Fund Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Thermon Group Holdings Inc.
CUSIP
88362T103
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 146Q1 2024Q2 2024: 155Q2 2024Q3 2024: 151Q3 2024Q4 2024: 168Q4 2024Q1 2025: 161Q1 2025Q2 2025: 168Q2 2025Q3 2025: 158Q3 2025Q4 2025: 193Q4 2025Q1 2026: 217Q1 2026Q2 2026: 3Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions61$180.3M
Exits38$91.6M

All 13F filers, Q4 2025 → Q1 2026: 7,375,605 shares bought and 7,311,052 shares sold, net +64,553 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 217 holders

FMR LLC 0.01% Add +22.9% 2,970,723 $149.7M
BlackRock, Inc. 0.00% Reduce -3.5% 2,588,149 $130.4M
Dimensional Fund Advisors LP 0.02% Reduce -0.0% 1,730,100 $87.2M
Vanguard Portfolio Management LLC 0.00% — 1,404,091 $70.8M
Vanguard Capital Management LLC 0.00% — 1,387,057 $69.9M
Medina Value Partners, LLC 10.20% Reduce -7.4% 966,319 $48.7M
GW&K Investment Management, LLC 0.42% Reduce -41.5% 952,518 $48.0M
Geode Capital Management, LLC 0.00% Add +6.5% 832,516 $42.0M
Westwood Holdings Group Inc. 0.29% Reduce -19.9% 782,763 $39.5M
State Street Corp. 0.00% Add +1.4% 772,529 $38.9M
Magnetar Financial LLC 0.41% New 757,996 $38.2M
Arrowstreet Capital, Limited Partnership 0.02% Add +33.7% 679,685 $34.3M
William Blair Investment Management, LLC 0.11% Reduce -27.0% 647,539 $32.6M
Harvey Partners, LLC 2.65% Reduce -16.2% 646,728 $32.6M
Needham Investment Management LLC 1.63% Add +2.0% 632,500 $31.9M
Citigroup Inc. 0.02% Add +4861.6% 577,926 $29.1M
Ameriprise Financial Inc. 0.01% Reduce -15.4% 569,672 $28.7M
Van Lanschot Kempen Investment Management N.V. 0.23% Reduce -25.1% 516,471 $26.0M
Qube Research & Technologies Ltd 0.04% Add +305.2% 508,956 $25.7M
Goldman Sachs Group Inc. 0.00% Add +102.1% 486,880 $24.5M
Alpine Associates Management Inc. 1.44% New 485,882 $24.5M
Swedbank AB 0.02% Reduce -32.3% 470,000 $23.7M
New South Capital Management Inc. 1.11% Reduce -3.4% 458,387 $23.1M
Balyasny Asset Management L.P. 0.05% Add +2990.2% 450,549 $22.7M
Soros Fund Management 0.42% New 448,088 $22.6M
Nuveen, LLC 0.01% Add +94.0% 428,179 $21.6M
AQR Arbitrage LLC 0.41% New 416,851 $21.0M
Kennedy Capital Management LLC 0.39% Reduce -3.9% 368,773 $18.6M
Two Sigma Investments, LP 0.02% Add +304.7% 356,278 $18.0M
Assenagon Asset Management S.A. 0.03% Add +35.2% 345,731 $17.4M
UBS Group AG 0.00% Add +10.3% 336,551 $17.0M
Deutsche Bank AG 0.01% Add +1.1% 319,662 $16.1M
Northern Trust Corp. 0.00% Reduce -20.7% 313,446 $15.8M
First Eagle Investment Management, LLC 0.03% Reduce -23.8% 305,373 $15.4M
Invesco Ltd. 0.00% Add +8.0% 294,827 $14.9M
Charles Schwab Investment Management Inc. 0.00% Reduce -20.7% 269,314 $13.6M
Janus Henderson Group PLC 0.01% Reduce -2.9% 243,471 $12.3M
Meros Investment Management, LP 5.27% Reduce -28.9% 241,463 $12.2M
JPMorgan Chase & Co. 0.00% Reduce -30.4% 234,793 $11.5M
Vanguard Fiduciary Trust Co. 0.00% — 213,453 $10.8M
Millennium Management 0.01% Add +971.7% 212,505 $10.7M
Jane Street Group, LLC 0.01% Add +90.5% 205,581 $10.4M
T. Rowe Price Associates Inc. 0.00% Add +10.8% 195,526 $9.9M
Silvercrest Asset Management Group LLC 0.07% New 187,770 $9.5M
Alliancebernstein L.P. 0.00% Add +637.5% 250,167 $9.3M
Public Employees Retirement System of Ohio 0.03% Reduce -2.3% 169,388 $8.5M
Morgan Stanley 0.00% Reduce -85.9% 165,468 $8.3M
Russell Investments Group, Ltd. 0.01% Reduce -3.8% 156,754 $7.9M
Oberweis Asset Management Inc./ 0.23% New 154,700 $7.8M
Bank of America Corp. 0.00% Reduce -31.5% 153,491 $7.7M
RBF Capital, LLC 0.37% Reduce -3.2% 150,000 $7.6M
Lazard Asset Management LLC 0.01% Add +16.1% 147,930 $7.5M
Allspring Global Investments Holdings, LLC 0.01% Add +24.4% 125,825 $6.3M
Alberta Investment Management Corp 0.04% New 114,567 $5.8M
Atom Investors LP 0.40% Reduce -17.6% 111,077 $5.6M
Intrinsic Edge Capital Management LLC 1.01% Reduce -52.2% 110,000 $5.5M
Bank of New York Mellon Corp 0.00% Reduce -4.6% 109,534 $5.5M
De Lisle Partners LLP 0.63% New 104,194 $5.3M
Diamond Hill Capital Management, LLC (Investment Advisor) 0.03% Reduce -16.5% 100,199 $5.1M
Hudson Bay Capital Management LP 0.03% New 100,000 $5.0M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Add +37.8% 94,180 $4.7M
1060 Capital, LLC 5.49% Reduce -28.3% 89,625 $4.5M
American Century Companies Inc. 0.00% Add +3.5% 78,863 $4.0M
Hirtle & Co., LLC 0.15% New 75,000 $3.8M
Hotchkis & Wiley Capital Management LLC 0.01% Reduce -84.9% 66,219 $3.3M
Swiss National Bank 0.00% No change 65,200 $3.3M
Informed Momentum Co LLC 0.36% Reduce -9.2% 62,328 $3.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +2.5% 58,894 $3.0M
Oliver Luxxe Assets LLC 0.44% Add +96.2% 58,051 $2.9M
Tudor Investment Corporation 0.02% New 57,833 $2.9M
Rice Hall James & Associates, LLC 0.16% No change 57,048 $2.9M
Martingale Asset Management L P 0.07% Add +10.1% 54,709 $2.8M
Riverpoint Wealth Management Holdings, LLC 0.56% Add +1.4% 52,108 $2.6M
Citadel Advisors 0.00% New 46,955 $2.4M
Kintayl Capital LP 1.38% New 44,382 $2.2M
Sei Investments Co. 0.00% Reduce -24.5% 41,316 $2.1M
California State Teachers Retirement System 0.00% Add +30.6% 40,701 $2.1M
Wells Fargo & Company 0.00% Reduce -38.6% 40,167 $2.0M
New York Life Investment Management LLC 0.02% New 39,205 $2.0M
Rhumbline Advisers 0.00% Reduce -2.9% 38,824 $2.0M
Principal Financial Group Inc. 0.00% Add +9.8% 38,321 $1.9M
Yakira Capital Management, Inc. 0.56% New 38,096 $1.9M
Polar Asset Management Partners Inc. 0.06% New 37,987 $1.9M
Stifel Financial Corp. 0.00% New 34,416 $1.7M
Sagefield Capital LP 0.12% New 33,867 $1.7M
Water Island Capital LLC 0.23% New 32,987 $1.7M
Victory Capital Management Inc. 0.00% Reduce -18.3% 32,700 $1.6M
Versor Investments LP 3.96% New 32,074 $1.6M
Credit Agricole S A 0.01% New 31,000 $1.6M
Susquehanna International Group, LLP 0.00% Add +53.8% 28,808 $1.5M
Legal & General Group Plc 0.00% Reduce -18.7% 27,351 $1.4M
Raymond James Financial Inc. 0.00% Add +0.6% 26,335 $1.3M
Aquatic Capital Management LLC 0.04% Add +2454100.0% 24,542 $1.2M
Barclays PLC 0.00% Reduce -62.5% 23,173 $1.2M
Y-Intercept (Hong Kong) Ltd 0.02% New 22,830 $1.2M
Cerity Partners LLC 0.00% Reduce -71.6% 22,683 $1.1M
Chicago Capital Management, LLC 2.42% New 30,069 $1.1M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 22,336 $1.1M
Abc Arbitrage SA 0.15% New 21,895 $1.1M
Marshall Wace, LLP 0.00% New 19,700 $993K
Harvest Management LLC 0.51% New 19,200 $968K
MetLife Investment Management, LLC 0.00% Reduce -0.8% 18,481 $931K
Tidal Investments LLC 0.00% Add +3.0% 18,133 $914K
Horizon Investment Services, LLC 0.32% New 18,112 $913K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +129.5% 17,740 $894K
Teacher Retirement System of Texas 0.00% Add +39.7% 16,299 $821K
STRS Ohio 0.00% Reduce -15.7% 16,100 $811K
CSS LLC 0.13% New 16,000 $806K
Virtu Financial LLC 0.03% Add +5.2% 15,543 $783K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -0.2% 15,235 $768K
Commerce Bank 0.00% Reduce -11.5% 14,497 $731K
AQR Capital Management 0.00% Reduce -59.0% 14,374 $724K
Squarepoint Ops LLC 0.00% New 13,998 $705K
Hennion & Walsh Asset Management, Inc. 0.02% Reduce -2.5% 13,748 $693K
LMR Partners LLP 0.01% New 13,688 $690K
Concentric Capital Strategies, LP 0.06% New 13,288 $670K
Quantbot Technologies LP 0.03% Add +57000.0% 13,133 $662K
Vanguard Global Advisers, LLC 0.00% — 12,944 $652K
Connor, Clark & Lunn Investment Management Ltd. 0.00% Reduce -54.0% 12,689 $640K
Oxford Asset Management LLP 0.25% New 12,496 $630K
Osaic Holdings, Inc. 0.00% Reduce -9.0% 11,730 $591K
New York State Common Retirement Fund 0.00% Reduce -26.1% 11,582 $584K
ProShare Advisors LLC 0.00% Add +91.7% 11,507 $580K
DRW Securities, LLC 0.03% New 11,337 $571K
Sterling Capital Management LLC 0.01% Add +559.5% 11,126 $561K
Alps Advisors Inc. 0.00% New 10,620 $535K
Creative Planning 0.00% Add +57.1% 10,111 $510K
State Board of Administration of Florida Retirement System 0.00% No change 10,091 $509K
US Bancorp \de 0.00% Add +0.3% 10,035 $506K
Boston Partners 0.00% Reduce -17.4% 9,734 $491K
Polen Capital Management LLC 0.00% New 9,466 $477K
Police & Firemen's Retirement System of New Jersey 0.00% No change 9,217 $465K
Envestnet Asset Management Inc. 0.00% Reduce -71.4% 9,174 $462K
NewEdge Advisors, LLC 0.00% Add +185.6% 9,105 $459K
XTX Topco Ltd 0.01% New 9,094 $458K
Arizona State Retirement System 0.00% Reduce -2.1% 9,018 $455K
Intech Investment Management LLC 0.00% Reduce -24.3% 8,842 $446K
Manufacturers Life Insurance Company, The 0.00% Reduce -11.6% 8,752 $441K
HRT Financial LP 0.00% New 8,569 $431K
Quantinno Capital Management LP 0.00% Add +11.9% 8,541 $430K
Royal Bank of Canada 0.00% Reduce -86.2% 8,274 $417K
Fiduciary Trust Co 0.00% Reduce -19.6% 8,195 $413K
Vanguard Investments Australia, Ltd. 0.00% — 7,790 $393K
BNP Paribas Financial Markets 0.00% Add +1.9% 7,675 $387K
Brown Advisory Inc. 0.00% Reduce -98.3% 7,603 $383K
Prelude Capital Management, LLC 0.03% New 7,393 $373K
State of Wyoming 0.04% Reduce -21.7% 7,170 $361K
KLP Kapitalforvaltning As 0.00% No change 7,100 $358K
EP Wealth Advisors, LLC 0.00% Add +1.4% 6,848 $345K
Kestra Private Wealth Services, LLC 0.00% New 6,662 $336K
Yorktown Management & Research Co Inc 0.27% New 6,300 $318K
Susquehanna Fundamental Investments, LLC 0.01% New 6,283 $317K
Congress Asset Management Co. 0.00% No change 6,100 $307K
SG Americas Securities, LLC 0.00% Reduce -73.8% 5,932 $299K
HSBC Holdings PLC 0.00% New 5,929 $296K
Voya Investment Management LLC 0.00% Reduce -6.2% 5,819 $293K
Pictet Asset Management Holding SA 0.00% No change 5,557 $280K
Prudential Financial Inc. 0.00% Reduce -30.4% 5,251 $265K
Panagora Asset Management Inc. 0.00% New 5,215 $263K
Swiss Life Asset Management Ltd 0.00% Reduce -16.7% 4,931 $249K
Graham Capital Management, L.P. 0.01% New 4,828 $243K
Jump Financial, LLC 0.00% Reduce -63.3% 4,740 $239K
PenderFund Capital Management Ltd. 0.10% New 4,400 $222K
Entropy Technologies, LP 0.01% Reduce -31.5% 4,392 $221K
Amundi 0.00% New 4,075 $205K
Mercer Global Advisors Inc. 0.00% New 4,035 $203K
CANADA LIFE ASSURANCE Co 0.00% No change 3,483 $176K
Simplex Trading, LLC 0.01% Reduce -74.4% 3,196 $161K
PNC Financial Services Group, Inc. 0.00% Reduce -39.0% 3,088 $156K
New York State Teachers Retirement System 0.00% No change 3,011 $152K
Ameritas Investment Partners, Inc. 0.00% No change 2,747 $138K
Jones Financial Companies LLLP 0.00% New 2,521 $129K
Tower Research Capital LLC (TRC) 0.00% Add +10.0% 2,002 $101K
State of Alaska, Department of Revenue 0.00% No change 1,826 $92K
Federated Hermes, Inc. 0.00% Reduce -57.2% 1,490 $75K
Truvestments Capital LLC 0.01% New 1,323 $67K
Lanark Financial, Inc. 0.00% New 1,014 $51K
Assetmark, Inc. 0.00% Reduce -43.2% 869 $44K
Cwm, LLC 0.00% Add +19.8% 685 $35K
MAI Capital Management 0.00% Add +2.5% 615 $31K
Nisa Investment Advisors, LLC 0.00% No change 607 $31K
USA Financial Formulas 0.00% New 417 $21K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +70.6% 406 $20K
Group One Trading LLC 0.00% New 379 $19K
Quadrant Capital Group LLC 0.00% No change 283 $14K
Sunbelt Securities, Inc. 0.00% Add +62.5% 260 $13K
Larson Financial Group LLC 0.00% Reduce -51.0% 227 $11K
Danske Bank A/S 0.00% Reduce -88.2% 200 $10K
Harbor Capital Advisors, Inc. 0.00% Reduce -5.7% 199 $10K
GAMMA Investing LLC 0.00% Add +64.3% 189 $10K
Huntington National Bank 0.00% No change 144 $7K
Optiver Holding B.V. 0.00% Add +110.3% 122 $6K
Bullock Wealth Management Group 0.00% New 118 $6K
Smartleaf Asset Management LLC 0.00% No change 100 $5K
Los Angeles Capital Management LLC 0.00% No change 89 $4K
True Wealth Design, LLC 0.00% No change 77 $4K
Root Financial Partners, LLC 0.00% New 67 $3K
EverSource Wealth Advisors, LLC 0.00% Add +13.5% 59 $3K
IMA Advisory Services, Inc. 0.00% Reduce -6.3% 45 $2K
Quarry LP 0.00% Reduce -64.7% 42 $2K
Farther Finance Advisors, LLC 0.00% Add +22.6% 38 $2K
Fifth Third Bancorp 0.00% New 32 $2K
Caitong International Asset Management Co., Ltd 0.00% Reduce -92.2% 31 $2K
Parallel Advisors, LLC 0.00% Add +383.3% 29 $1K
Allworth Financial LP 0.00% Add +2300.0% 24 $1K
Transamerica Financial Advisors, LLC 0.00% No change 17 $856
Decker Retirement Planning Inc. 0.00% New 15 $756
Northwestern Mutual Wealth Management Co. 0.00% New 13 $655
SJS Investment Consulting Inc. 0.00% No change 12 $605
Rothschild Investment LLC 0.00% No change 11 $554
Bare Financial Services, Inc 0.00% New 10 $504
Stone House Investment Management, LLC 0.00% New 7 $353
Arax Advisory Partners 0.00% Reduce -95.6% 2 $151
Essential Partners LLC 0.00% No change 2 $101
Twin Peaks Wealth Advisors, LLC 0.00% New 1 $50
Freestone Grove Partners LP 0.00% New 1 $50
Covestor Ltd 0.00% Reduce -16.7% 5 $0

"% of holder's portfolio" is THR's weight in each manager's 13F, not the share of Thermon Group Holdings Inc. the manager owns.