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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 %
Deutsche Bank
26
Deutsche Bank
Germany
$7.68M +$16.8K +603 +0.2%
Invesco
27
Invesco
Georgia
$7.49M +$6.05M +217,352 +420%
Royal Bank of Canada
28
Royal Bank of Canada
Ontario, Canada
$7.21M +$30.1K +1,082 +0.4%
JPMorgan Chase & Co
29
JPMorgan Chase & Co
New York
$7.01M -$263K -9,459 -4%
LN
30
Lightrock Netherlands
Netherlands
$6.88M +$2.06M +73,948 +43%
MIM
31
Meros Investment Management
Texas
$6.86M +$654K +23,493 +11%
HA
32
Heartland Advisors
Wisconsin
$6.5M -$181K -6,482 -3%
UBS Group
33
UBS Group
Switzerland
$6.46M -$366K -13,143 -5%
Morgan Stanley
34
Morgan Stanley
New York
$5.7M -$1.95M -69,997 -25%
William Blair & Company
35
William Blair & Company
Illinois
$5.54M +$13.8K +495 +0.2%
Ohio Public Employees Retirement System (OPERS)
36
Ohio Public Employees Retirement System (OPERS)
Ohio
$5.07M -$2.01M -72,213 -28%
Qube Research & Technologies (QRT)
37
Qube Research & Technologies (QRT)
United Kingdom
$3.72M +$1.56M +55,854 +72%
Assenagon Asset Management
38
Assenagon Asset Management
Luxembourg
$3.51M – – –
Russell Investments Group
39
Russell Investments Group
United Kingdom
$3.37M -$14.1K -506 -0.4%
RHJA
40
Rice Hall James & Associates
California
$3.08M -$7.21K -259 -0.2%
Bank of New York Mellon
41
Bank of New York Mellon
New York
$3.06M +$17.6K +631 +0.6%
Bank of America
42
Bank of America
North Carolina
$2.9M +$858K +30,801 +42%
Renaissance Technologies
43
Renaissance Technologies
New York
$2.89M -$403K -14,462 -12%
NL
44
Nuveen LLC
North Carolina
$2.58M +$2.58M +92,526 New
Diamond Hill Capital Management
45
Diamond Hill Capital Management
Ohio
$2.56M +$664K +23,853 +35%
Arrowstreet Capital
46
Arrowstreet Capital
Massachusetts
$1.99M +$1.04M +37,260 +109%
UBS AM
47
UBS AM
Illinois
$1.97M -$179K -6,422 -8%
AE
48
AMH Equity
New York
$1.84M -$1.23M -44,000 -40%
Swiss National Bank
49
Swiss National Bank
Switzerland
$1.82M -$30.6K -1,100 -2%
American Century Companies
50
American Century Companies
Missouri
$1.69M +$303K +10,874 +22%
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