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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 %
TSS
776
Two Sigma Securities
New York
– – -979 Closed
LCM
777
Laurion Capital Management
New York
– – -842 Closed
BFM
778
Boothbay Fund Management
New York
– – -801 Closed
QCM
779
Qsemble Capital Management
New York
– – -741 Closed
AC
780
AXQ Capital
New Jersey
– – -710 Closed
CIM
781
Contravisory Investment Management
Massachusetts
– – -490 Closed
WF
782
Wayfinding Financial
Washington
– – -157 Closed
WA
783
Whipplewood Advisors
Colorado
– – -43 Closed
MG
784
Mather Group
Illinois
– – -15 Closed
BT
785
Banque Transatlantique
France
– – -13 Closed
PIM
786
Plato Investment Management
Australia
– – -11 Closed
GFPC
787
Global Financial Private Client
Florida
– – -8 Closed
CA
788
Continuum Advisory
Idaho
– – -8 Closed
FPF
789
First Pacific Financial
Washington
– – -8 Closed
HCP
790
Hexagon Capital Partners
Arkansas
– – -2 Closed
Group One Trading
791
Group One Trading
Illinois
– – – –
OAJ
792
Ogorek Anthony Joseph
New York
$0 1 – –
BI
793
Binnacle Investments
Iowa
– – – –
IMC Chicago
794
IMC Chicago
Illinois
– – – –
CM
795
Caption Management
Oklahoma
– – – –
CSS
796
Cubist Systematic Strategies
Connecticut
– – – –
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