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Comfort Systems
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Overview Fund Activity

741 hedge funds and large institutions have $18B invested in Comfort Systems in 2025 Q2 according to their latest regulatory filings, with 177 funds opening new positions, 264 increasing their positions, 223 reducing their positions, and 49 closing their positions.

Holders
741
Holders Change
+116
Holders Change %
+18.56%
% of All Funds
9.95%
Holding in Top 10
16
Holding in Top 10 Change
+12
Holding in Top 10 Change %
+300%
% of All Funds
0.21%
New
177
Increased
264
Reduced
223
Closed
49
Calls
$63.2M
Puts
$33.3M
Net Calls
+$29.8M
Net Calls Change
+$25.2M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$257M
2
AQR Capital Management
2
AQR Capital Management
Connecticut
$419M
3
Artisan Partners
3
Artisan Partners
Wisconsin
$115M
4
TP
4
Third Point
New York
$99.2M
5
Deutsche Bank
5
Deutsche Bank
Germany
$115M

Top Sellers

1
Two Sigma Investments
1
Two Sigma Investments
New York
$9.61M
2
Millennium Management
2
Millennium Management
New York
$83.4M
3
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$53.7M
4
Jennison Associates
4
Jennison Associates
New York
$1.36M
5
Citadel Advisors
5
Citadel Advisors
Florida
$34.5M
Name Market Value Shares Shares
Change 		Shares
Change %
HRCM
26
Hood River Capital Management
Florida
$131M 243,385 +4,905 +2%
AIM
27
Artemis Investment Management
United Kingdom
$121M 225,330 -22,908 -9%
NL
28
Nuveen LLC
North Carolina
$115M 213,791 -17,753 -8%
Deutsche Bank
29
Deutsche Bank
Germany
$115M 213,753 +164,634 +335%
Artisan Partners
30
Artisan Partners
Wisconsin
$115M 213,631 +213,631 New
ClearBridge Investments
31
ClearBridge Investments
New York
$113M 209,906 +53,734 +34%
Capital International Investors
32
Capital International Investors
California
$111M 206,942 -13,429 -6%
GKIM
33
GW&K Investment Management
Massachusetts
$109M 203,065 +26,744 +15%
D.E. Shaw & Co
34
D.E. Shaw & Co
New York
$105M 195,002 +26,217 +16%
Franklin Resources
35
Franklin Resources
California
$102M 190,737 +31,145 +20%
T. Rowe Price Associates
36
T. Rowe Price Associates
Maryland
$102M 189,993 +44,867 +31%
TP
37
Third Point
New York
$99.2M 185,000 +185,000 New
Bank of America
38
Bank of America
North Carolina
$97.1M 181,114 +51,059 +39%
Ameriprise
39
Ameriprise
Minnesota
$96.2M 179,421 +10,526 +6%
Caisse de Depot et Placement du Quebec (CDPQ)
40
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$96M 179,024 +29,951 +20%
UBS AM
41
UBS AM
Illinois
$95M 177,228 +35,493 +25%
Capital Research Global Investors
42
Capital Research Global Investors
California
$94.2M 175,660 – –
Principal Financial Group
43
Principal Financial Group
Iowa
$93M 173,384 +8,300 +5%
EWM
44
Evercore Wealth Management
New York
$85.1M 158,670 +32,137 +25%
Millennium Management
45
Millennium Management
New York
$83.4M 155,549 -162,303 -51%
Comerica Bank
46
Comerica Bank
Texas
$81.1M 151,279 +5,085 +3%
Arrowstreet Capital
47
Arrowstreet Capital
Massachusetts
$80.2M 149,607 -1,627 -1%
DZ Bank
48
DZ Bank
Germany
$79.5M 148,312 +136,807 +1,189%
Handelsbanken Fonder
49
Handelsbanken Fonder
Sweden
$72.5M 135,137 +19,000 +16%
BGC
50
Blue Grotto Capital
Georgia
$71.8M 133,817 +33,817 +34%
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