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Thermon Group Holdings
THR

Overview Fund Activity

160 hedge funds and large institutions have $885M invested in Thermon Group Holdings in 2025 Q1 according to their latest regulatory filings, with 19 funds opening new positions, 59 increasing their positions, 54 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
160
Holders Change
-8
Holders Change %
-4.76%
% of All Funds
2.17%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
19
Increased
59
Reduced
54
Closed
26
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
William Blair Investment Management
William Blair Investment Management
Illinois
$31.3M
2
Invesco
Invesco
Georgia
$7.49M
3
MVP
Medina Value Partners
California
$22.6M
4
Fidelity Investments
Fidelity Investments
Massachusetts
$66.9M
5
LN
Lightrock Netherlands
Netherlands
$6.88M

Top Sellers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$76.5M
2
VLKIM
Van Lanschot Kempen Investment Management
Netherlands
$40.2M
3
Goldman Sachs
Goldman Sachs
New York
$8.13M
4
Vanguard Group
Vanguard Group
Pennsylvania
$91.2M
5
NSCM
New South Capital Management
Tennessee
$16.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$91.2M -$3.02M -108,393 -3%
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$76.5M -$22M -791,270 -22%
BlackRock
3
BlackRock
New York
$74M +$984K +35,345 +1%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$66.9M +$2.28M +81,857 +4%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$49.4M +$444K +15,938 +0.9%
VLKIM
6
Van Lanschot Kempen Investment Management
Netherlands
$40.2M -$7.56M -271,332 -16%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$34.8M -$1.53M -55,109 -4%
William Blair Investment Management
8
William Blair Investment Management
Illinois
$31.3M +$7.37M +264,685 +31%
Brown Advisory
9
Brown Advisory
Maryland
$27.1M -$525K -18,859 -2%
MVP
10
Medina Value Partners
California
$22.6M +$5.46M +195,909 +32%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$22M +$810K +29,092 +4%
State Street
12
State Street
Massachusetts
$21.5M -$258K -9,271 -1%
HP
13
Harvey Partners
New York
$19.6M -$1.73M -62,000 -8%
NIM
14
Needham Investment Management
New York
$17.9M -$348K -12,500 -2%
Swedbank
15
Swedbank
Sweden
$17.3M – – –
GKIM
16
GW&K Investment Management
Massachusetts
$16.5M +$259K +9,292 +2%
NSCM
17
New South Capital Management
Tennessee
$16.5M -$2.06M -73,885 -11%
Ameriprise
18
Ameriprise
Minnesota
$15.2M +$868K +31,181 +6%
Hotchkis & Wiley Capital Management
19
Hotchkis & Wiley Capital Management
California
$12.9M +$533K +19,130 +4%
Wells Fargo
20
Wells Fargo
California
$10.9M -$29.7K -1,068 -0.3%
Charles Schwab
21
Charles Schwab
California
$10.5M -$910K -32,685 -8%
First Eagle Investment Management
22
First Eagle Investment Management
New York
$9.82M +$922K +33,100 +10%
Northern Trust
23
Northern Trust
Illinois
$9.18M -$200K -7,191 -2%
KCM
24
Kennedy Capital Management
Missouri
$8.51M -$783K -28,109 -8%
Goldman Sachs
25
Goldman Sachs
New York
$8.13M -$3.59M -128,887 -31%
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