Thermon Group Holdings, Inc. (THR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

33,183,163Shares Outstanding

33,706,804Shares held by institutions

$1,746,012,447Value of institutional holdings

101.58%Institutional ownership %

2.04%Shares Changed QoQ

188No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Thermon Group Holdings, Inc. (NYSE:THR) is held by 188 institutional investors per 13F filings through December 2025.

Collectively, these holders controlled 100.9% of Thermon Group Holdings's outstanding shares in December 2025, down from 101.1% in September 2025.
Their total shares held in THR increased 1.65% from the prior quarter, while the number of investors in Thermon Group Holdings increased 11.9% year over year.
Activity in THR broke down as 102 buyers, 69 sellers, and 17 unchanged among 188 total holders.
Altogether, these fund groups held 33.47Mn shares in THR by December 2025, up by 543.06K shares quarter on quarter, and up 349.11K shares year over year.
VANGUARD GROUP INC leads ownership in THR with 3.07Mn shares as of December 31, 2025, equal to 9.25% of outstanding shares.
Leading buyers of Thermon Group Holdings shares for the quarter ending December 2025 were Swedbank AB (630.0K), Morgan Stanley (456.24K), CLIFFORD CAPITAL PARTNERS LLC (414.01K), Goldman Sachs Group Inc (241.72K), Janus Henderson Group Plc (227.16K).
The largest sellers of Thermon Group Holdings for the quarter ending December 2025 were T. Rowe Price Investment Management, Inc. (1.17Mn), Westwood Holdings Group Inc (510.34K), VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. (435.37K), BROWN ADVISORY INC (425.15K), Jpmorgan Chase & Co (187.32K).
Per Business Quant data, the top 10 holders of Thermon Group Holdings for the quarter ending December 2025 are VANGUARD GROUP INC (3.07Mn), BlackRock, Inc. (2.68Mn), FMR LLC (2.42Mn), DIMENSIONAL FUND ADVISORS LP (1.73Mn), GW&K Investment Management, LLC (1.63Mn), Swedbank AB (1.39Mn), Morgan Stanley (1.18Mn), Medina Value Partners, LLC (1.04Mn), Westwood Holdings Group Inc (976.82K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (887.45K).

188 Institutional Holders

33,706,804 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	3,069,937	-98,994	-3.12%	$114,078,858.00
BlackRock, Inc.	31 Dec, 2025	2,681,650	146,250	5.77%	$99,650,114.00
FMR LLC	31 Dec, 2025	2,417,762	-5,771	-0.24%	$89,844,036.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,730,579	-38,635	-2.18%	$64,308,526.00
GW&K Investment Management, LLC	31 Dec, 2025	1,627,257	197,715	13.83%	$60,469.00
Swedbank AB	31 Dec, 2025	1,388,000	630,000	83.11%	$51,578,080.00
Morgan Stanley	31 Dec, 2025	1,175,768	456,243	63.41%	$43,691,573.00
Medina Value Partners, LLC	31 Dec, 2025	1,043,526	56,361	5.71%	$38,777,426.00
Westwood Holdings Group Inc	31 Dec, 2025	976,821	-510,342	-34.32%	$36,298,668.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	887,451	-92,897	-9.48%	$32,977,679.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	782,077	1,574	0.20%	$29,066,788.00
Harvey Partners, LLC	31 Dec, 2025	772,070	570	0.07%	$28,690,121.00
State Street Corp	31 Dec, 2025	761,840	-20,588	-2.63%	$28,309,974.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	731,373	-124,866	-14.58%	$27,177,820.00
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	31 Dec, 2025	689,677	-435,373	-38.70%	$25,628,397.00
Ameriprise Financial Inc	31 Dec, 2025	673,335	183,549	37.48%	$25,019,865.00
NEEDHAM INVESTMENT MANAGEMENT LLC	31 Dec, 2025	620,000	-3,500	-0.56%	$23,039,200.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	508,339	79,693	18.59%	$18,889,877.00
Goldman Sachs Group Inc	31 Dec, 2025	481,806	241,719	100.68%	$17,903,910.00
NEW SOUTH CAPITAL MANAGEMENT INC	31 Dec, 2025	474,599	-19,020	-3.85%	$17,636,099.00

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