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THR

Thermon Group Holdings
THR

Delisted

THR was delisted on the 29th of May, 2026.

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115 hedge funds and large institutions have $868M invested in Thermon Group Holdings in 2018 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 36 increasing their positions, 33 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

163% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 8

12% more capital invested

Capital invested by funds: $774M → $868M (+$93M)

12% more funds holding

Funds holding: 103 → 115 (+12)

9% more repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 33

0.85% less ownership

Funds ownership: 104.2% → 103.35% (-0.85%)

Holders
115
Holders Change
+12
Holders Change %
+11.65%
% of All Funds
2.63%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.02%
New
21
Increased
36
Reduced
33
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AL
AJO LP
Pennsylvania
+$4.85M
2
DCM
Driehaus Capital Management
Illinois
+$2.67M
3
UIC
Uniplan Investment Counsel
Wisconsin
+$2.42M
4
GKIM
GW&K Investment Management
Massachusetts
+$2.32M
5
BlackRock
BlackRock
New York
+$2.18M

Top Sellers

Rank Fund Capital Flow
1
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$5.77M
2
Millennium Management
Millennium Management
New York
-$3.97M
3
Wellington Management Group
Wellington Management Group
Massachusetts
-$3.72M
4
PL
PWMCO LLC
Illinois
-$3.7M
5
NSCM
New South Capital Management
Tennessee
-$2.72M
Name Holding Trade Value Shares
Change 		Change in
Stake
Impax Asset Management Group
26
Impax Asset Management Group
United Kingdom
$6.12M +$5.98M +237,230 New
AL
27
AJO LP
Pennsylvania
$5.58M +$4.85M +192,463 +800%
GKIM
28
GW&K Investment Management
Massachusetts
$4.99M +$2.32M +91,850 +90%
Charles Schwab
29
Charles Schwab
California
$4.64M +$4.01K +159 +0.1%
Wells Fargo
30
Wells Fargo
California
$3.92M +$90.7K +3,596 +2%
D.E. Shaw & Co
31
D.E. Shaw & Co
New York
$3.58M -$321K -12,746 -8%
Bank of New York Mellon
32
Bank of New York Mellon
New York
$3.5M +$25.2K +1,001 +0.7%
SCM
33
Sterling Capital Management
North Carolina
$3.27M -$98.6K -3,910 -3%
Millennium Management
34
Millennium Management
New York
$3.13M -$3.97M -157,335 -56%
TA
35
Teachers Advisors
New York
$3.05M +$46.6K +1,850 +2%
DCM
36
Driehaus Capital Management
Illinois
$2.73M +$2.67M +105,832 New
Ohio Public Employees Retirement System (OPERS)
37
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.6M -$408K -16,190 -14%
UIC
38
Uniplan Investment Counsel
Wisconsin
$2.48M +$2.42M +96,006 New
PL
39
PWMCO LLC
Illinois
$2.19M -$3.7M -146,836 -63%
Morgan Stanley
40
Morgan Stanley
New York
$1.72M -$169K -6,685 -9%
Citadel Advisors
41
Citadel Advisors
Florida
$1.57M -$1.43M -56,785 -48%
TD Asset Management
42
TD Asset Management
Ontario, Canada
$1.5M +$310K +12,300 +27%
Swiss National Bank
43
Swiss National Bank
Switzerland
$1.46M – – –
Hotchkis & Wiley Capital Management
44
Hotchkis & Wiley Capital Management
California
$1.32M +$344K +13,644 +36%
Barrow, Hanley, Mewhinney & Strauss
45
Barrow, Hanley, Mewhinney & Strauss
Texas
$1.29M -$140K -5,549 -10%
State of New Jersey Common Pension Fund D
46
State of New Jersey Common Pension Fund D
New Jersey
$1.29M – – –
California State Teachers Retirement System (CalSTRS)
47
California State Teachers Retirement System (CalSTRS)
California
$1.28M -$454 -18 -0%
California Public Employees Retirement System
48
California Public Employees Retirement System
California
$1.18M -$737K -29,215 -39%
William Blair & Company
49
William Blair & Company
Illinois
$1.1M +$1.08M +42,869 New
PPA
50
Parametric Portfolio Associates
Washington
$1.06M +$222K +8,809 +27%
1
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THR Hedge Fund Activity: Q3 2018 in Review

115 of the 4,374 institutional investors tracked by Wall St. Rank reported a position in Thermon Group Holdings (THR) for Q3 2018, worth a combined $868M — up 12% from $774M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new THR positions and 8 closed out — a net gain of 13 holders — while 36 added to existing stakes and 33 trimmed.

The largest buyer was AJO LP, adding an estimated $4.85M. The largest seller was Janus Henderson Group, cutting an estimated $5.77M.

  • 115 institutional investors held Thermon Group Holdings (THR) as of Q3 2018, up from 103 in Q2 2018.
  • Funds reported $868M of Thermon Group Holdings stock for Q3 2018, up 12% quarter-over-quarter.
  • 21 funds opened new Thermon Group Holdings positions in Q3 2018 and 8 closed out, a net change of +13 holders.
  • The largest Thermon Group Holdings buyer in Q3 2018 was AJO LP, an estimated $4.85M added.
  • The largest Thermon Group Holdings seller in Q3 2018 was Janus Henderson Group, an estimated $5.77M sold.

Based on aggregated 13F filings for Q3 2018.