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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 %
EAM
51
EULAV Asset Management
Florida
$71.1M 132,610 +2 +0%
Lord, Abbett & Co
52
Lord, Abbett & Co
New Jersey
$71M 132,340 +37,977 +40%
Lazard Asset Management
53
Lazard Asset Management
New York
$70.4M 131,329 +35,585 +37%
CG
54
Carmignac Gestion
France
$70.1M 130,699 -3,575 -3%
Renaissance Technologies
55
Renaissance Technologies
New York
$69.9M 130,300 -900 -0.7%
Russell Investments Group
56
Russell Investments Group
United Kingdom
$67.4M 125,729 +1,247 +1%
Zurich Cantonal Bank
57
Zurich Cantonal Bank
Switzerland
$66.7M 124,389 +113,987 +1,096%
CAM
58
Congress Asset Management
Massachusetts
$59.8M 111,445 +3,880 +4%
Raymond James Financial
59
Raymond James Financial
Florida
$58.6M 109,303 +19,936 +22%
Janus Henderson Group
60
Janus Henderson Group
United Kingdom
$55.5M 103,487 +1,894 +2%
FGP
61
Freestone Grove Partners
California
$55.4M 103,269 +85,284 +474%
UBS Group
62
UBS Group
Switzerland
$54.1M 100,861 +6,706 +7%
Qube Research & Technologies (QRT)
63
Qube Research & Technologies (QRT)
United Kingdom
$53.7M 100,137 -151,138 -60%
American Century Companies
64
American Century Companies
Missouri
$53.1M 99,035 +13,981 +16%
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$52.8M 98,395 -1,365 -1%
Victory Capital Management
66
Victory Capital Management
Texas
$52.6M 98,130 -74,441 -43%
SFI
67
Susquehanna Fundamental Investments
Pennsylvania
$51.1M 95,228 -1,300 -1%
Allianz Asset Management
68
Allianz Asset Management
Germany
$50.3M 93,895 +2,230 +2%
SFM
69
Systematic Financial Management
New Jersey
$49.3M 91,890 -2,299 -2%
RS
70
Robeco Schweiz
Switzerland
$47.3M 88,278 -40,974 -32%
RG
71
Renaissance Group
Kentucky
$46.9M 87,380 +5,775 +7%
SSA
72
Schonfeld Strategic Advisors
New York
$43.7M 81,497 +10,463 +15%
Envestnet Asset Management
73
Envestnet Asset Management
Illinois
$43.5M 81,065 +7,022 +9%
Retirement Systems of Alabama
74
Retirement Systems of Alabama
Alabama
$41.7M 77,825 -166 -0.2%
MPIA
75
Mountain Pacific Investment Advisers
Idaho
$41.3M 76,960 -421 -0.5%
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