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Disclosery

THR THERMON GROUP HLDGS INC

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COM (common)

156 managers (158 13F filers) reported a position in THR shares at 2025-09-30, 33,176,229 shares in all. 19 filers opened a position and 30 filers sold out during the quarter.

Managers
156
13F filers
158
New
19
Added
63
Reduced
52
Sold out
30
Shares held by filers
33,176,229

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC3,168,931$84.7M<0.01%-53,03213F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.2,535,400$67.7M<0.01%-91,15313F-HRTimelineGroup
FMR LLCin group FMR LLC2,423,533$64.8M<0.01%+1,19313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,769,214$47.3M0.01%+7413F-HRTimelineGroup
WESTWOOD HOLDINGS GROUP INCin group WESTWOOD HOLDINGS GROUP INC1,487,163$39.7M0.28%+169,92713F-HRTimelineGroup
GW&K Investment Management, LLC1,429,542$38.2M0.34%+817,13813F-HRTimeline
T. Rowe Price Investment Management, In…1,169,523$31.2M0.02%-990,94113F-HRTimeline
VAN LANSCHOT KEMPEN INVESTMENT MANAGEME…1,125,050$30.1M0.27%-46,07013F-HRTimeline
Medina Value Partners, LLC987,165$26.4M6.16%+33,24813F-HRTimeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC980,348$26.2M0.07%-59,44713F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC881,566$23.6M0.03%-225,52213F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…856,239$22.9M<0.01%-45,01713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP782,428$20.9M<0.01%+2,63413F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC780,503$20.9M<0.01%-10,62913F-HRTimelineGroup
Harvey Partners, LLC771,500$20.6M1.88%+131,76913F-HRTimeline
Swedbank ABin group Swedbank AB758,000$20.3M0.02%+105,00013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY719,525$19.2M<0.01%+446,65913F-HR/ATimelineGroup
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…623,500$16.7M1.16%013F-HRTimelineGroup
NEW SOUTH CAPITAL MANAGEMENT INC493,619$13.2M0.6%-6,01613F-HRTimeline
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC492,782$13.2M0.04%+24,99813F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC489,786$13.1M<0.01%-58,21513F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC440,165$11.8M0.26%+121,63413F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …428,646$11.5M0.01%+144,75713F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…391,978$10.5M0.02%+42,86713F-HRTimelineGroup
Meros Investment Management, LP352,001$9.41M4.02%+69,34613F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co348,952$9.32M<0.01%-5,34513F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding343,893$9.19M+169,352Timeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP326,414$8.72M<0.01%-8,27613F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\314,081$8.39M<0.01%+28,46313F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding276,808$7.4M+218,717Timeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO262,237$7.01M<0.01%-1,84313F-HR/ATimelineGroup
Lightrock Netherlands B.V.307,075$6.98M1.83%+60,35013F-HRTimeline
HEARTLAND ADVISORS INC256,044$6.84M0.36%+24,73213F-HRTimeline
Assenagon Asset Management S.A.255,694$6.83M0.01%+129,79113F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC240,087$6.42M<0.01%+23,41113F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/211,547$5.65M<0.01%+77,34913F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…197,425$5.28M0.02%+15,28713F-HRTimeline
Qube Research & Technologies Ltd178,112$4.76M0.01%+15,75113F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…172,123$4.6M0.01%+40,33913F-HRTimelineGroup
RBF Capital, LLC170,000$4.54M0.21%-4,68413F-HRTimeline
WEDGE CAPITAL MANAGEMENT L L P/NC165,479$4.42M0.07%+106,92513F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/164,939$4.41M<0.01%+57,71513F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC163,947$4.38M<0.01%new13F-HRTimelineGroup
INTRINSIC EDGE CAPITAL MANAGEMENT LLC120,000$3.21M0.49%new13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp117,860$3.15M<0.01%+1,89313F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA117,863$3.15M<0.01%-128,09613F-HRTimelineGroup
Diamond Hill Capital Management, LLC (I…96,455$2.58M0.01%-2,92213F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC79,753$2.13M<0.01%+10,26013F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.70,349$1.88M<0.01%+56,46813F-HRTimelineGroup
RICE HALL JAMES & ASSOCIATES, LLC68,851$1.84M0.1%-33,03813F-HRTimeline
Nuveen, LLCin group TIAA68,107$1.82M<0.01%013F-HRTimelineGroup
DARK FOREST CAPITAL MANAGEMENT LP66,303$1.77M0.07%+58,48513F-HR/ATimeline
RENAISSANCE TECHNOLOGIES LLC64,600$1.73M<0.01%-34,40013F-HRTimeline
Swiss National Bank64,300$1.72M<0.01%013F-HRTimeline
BLAIR WILLIAM & CO/IL60,102$1.61M<0.01%-46,53513F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN58,155$1.55M<0.01%-27,27913F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC57,071$1.52M<0.01%-16,37413F-HR/ATimelineGroup
Riverpoint Wealth Management Holdings, …50,360$1.35M0.3%+83013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.50,078$1.34M<0.01%-3,26613F-HRTimelineGroup
RHUMBLINE ADVISERS48,151$1.29M<0.01%-1,86713F-HRTimeline
Atom Investors LP46,843$1.25M0.09%new13F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC44,835$1.2M<0.01%+4,60013F-HRTimeline
COMERICA BANK41,589$1.11M<0.01%+27,74113F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc38,133$1.02M<0.01%+80713F-HRTimelineGroup
Verition Fund Management LLC35,707$954K0.01%+12,99413F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC35,682$953K<0.01%-78,84113F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC34,880$932K0.01%-15,19313F-HR/ATimelineGroup
ALLIANCEBERNSTEIN L.P.33,920$906K<0.01%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC33,786$903K<0.01%+4,93913F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC31,619$845K<0.01%+8,01513F-HRTimelineGroup
Hennion & Walsh Asset Management, Inc.31,267$835K0.03%-78613F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…31,210$834K<0.01%-1113F-HRTimeline
Campbell & CO Investment Adviser LLC30,321$810K0.06%-9,15513F-HRTimeline
D.A. DAVIDSON & CO.29,059$776K<0.01%+1,53413F-HRTimeline
TD Asset Management Inc26,694$713K<0.01%-2,46613F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC26,232$701K<0.01%+15013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS25,821$690K<0.01%+22,58513F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…25,764$688K<0.01%+17,98313F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC24,478$654K<0.01%+5,11813F-HRTimelineGroup
North Star Investment Management Corp.24,200$647K0.04%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC24,052$643K<0.01%-4,24513F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson23,656$632K<0.01%+9,08113F-HRTimelineGroup
Numerai GP LLC21,092$564K0.08%new13F-HRTimeline
NJ State Employees Deferred Compensatio…20,000$534K0.06%013F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC19,925$532K0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…19,875$531K<0.01%013F-HRTimelineGroup
EntryPoint Capital, LLC18,852$504K0.2%-5,33813F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO18,493$494K<0.01%+1,72313F-HRTimelineGroup
GLOBEFLEX CAPITAL L P18,095$483K0.07%-5,78513F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC17,959$480K<0.01%-83913F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC16,963$453K<0.01%-5,78313F-HRTimelineGroup
COMMERCE BANKin group COMMERCE BANK16,473$440K<0.01%+5,52513F-HRTimelineGroup
LONE PEAK GLOBAL INVESTORS LLC16,224$434K0.07%+4,87813F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS15,507$414K<0.01%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…15,275$408K<0.01%-2,98313F-HRTimelineGroup
SG Americas Securities, LLC14,813$396K<0.01%new13F-HRTimeline
Man Group plcin group Man Group plc14,639$391K<0.01%+1,60313F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp14,467$387K<0.01%+2,97213F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC14,346$383K<0.01%+32713F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.14,295$382K<0.01%-18,68613F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P13,426$359K0.01%-1313F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.13,226$353K<0.01%+11,34713F-HRTimelineGroup
Integrated Quantitative Investments LLC12,100$323K0.09%-24,80013F-HRTimeline
AlphaQuest LLC11,780$315K0.02%-25,85213F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND11,582$309K<0.01%013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …11,318$302K<0.01%-81413F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\10,128$271K<0.01%+10,00013F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM9,838$263K<0.01%+613F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…9,566$256K<0.01%013F-HRTimeline
Penn Capital Management Company, LLC9,511$254K0.02%+1,58113F-HRTimeline
Police & Firemen's Retirement System of…9,217$246K<0.01%+1,71413F-HRTimeline
Fiduciary Trust Coin group Fiduciary Trust Co8,375$224K<0.01%new13F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd8,012$214K0.01%new13F-HRTimeline
PDT Partners, LLC7,788$208K0.01%-38,64113F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…7,729$207K<0.01%013F-HRTimeline
MQS Management LLC7,675$205K0.12%-3,88213F-HRTimeline
State of Wyoming6,195$166K0.02%-51413F-HRTimeline
KLP KAPITALFORVALTNING AS6,100$163K<0.01%013F-HRTimeline
Sterling Capital Management LLC6,041$161K<0.01%+5113F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…5,995$160K<0.01%+2,19213F-HRTimelineGroup
Aquatic Capital Management LLC4,351$116K<0.01%-2,59513F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co3,483$92K<0.01%013F-HRTimelineGroup
NewEdge Advisors, LLC3,089$82.5K<0.01%new13F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…3,011$80K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,747$73.4K<0.01%-57613F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.2,615$69.9K<0.01%+40913F-HRTimelineGroup
State of Alaska, Department of Revenue1,826$48K<0.01%new13F-HRTimeline
DANSKE BANK A/S1,700$45.4K<0.01%013F-HR/ATimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,637$43.7K<0.01%-1,61813F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC1,530$40.9K<0.01%+62013F-HRTimelineGroup
AMALGAMATED BANK1,138$30K<0.01%013F-HRTimeline
SIMPLEX TRADING, LLC693$18K<0.01%new13F-HRTimeline
FIRST HORIZON CORP617$16.5K<0.01%13F-HRTimeline
MAI Capital Management600$16K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC516$14K<0.01%-31113F-HRTimelineGroup
Arax Advisory Partners504$13.5K<0.01%+45913F-HRTimeline
NISA INVESTMENT ADVISORS, LLC415$11.1K<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC283$7.56K<0.01%new13F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.228$6.09K<0.01%new13F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.215$6K<0.01%+7813F-HRTimeline
Sunbelt Securities, Inc.160$4.28K<0.01%013F-HRTimeline
MATHER GROUP, LLC.157$4.2K<0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK144$3.85K<0.01%013F-HRTimelineGroup
GAMMA Investing LLC143$3.82K<0.01%-2013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…112$2.99K<0.01%013F-HRTimelineGroup
Point72 Asia (Singapore) Pte. Ltd.87$2.33K<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC83$2.2K<0.01%013F-HRTimeline
True Wealth Design, LLC77$2.06K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…44$1.18K<0.01%-38013F-HRTimelineGroup
SJS Investment Consulting Inc.36$962<0.01%013F-HRTimeline
Larson Financial Group LLC11$294<0.01%013F-HRTimeline
Parallel Advisors, LLC6$160<0.01%-1713F-HRTimeline
Allworth Financial LP1$27<0.01%new13F-HRTimeline
IFP Advisors, Inc1$27<0.01%+113F-HR/ATimeline
SBI Securities Co., Ltd.1$27<0.01%new13F-HRTimeline
Covestor Ltd3$00%-1,10913F-HRTimelineValue filed as zero, left out of ratios.