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Comfort Systems
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Overview Fund Activity

625 hedge funds and large institutions have $10.7B invested in Comfort Systems in 2025 Q1 according to their latest regulatory filings, with 99 funds opening new positions, 272 increasing their positions, 198 reducing their positions, and 121 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
625
Holders Change
-35
Holders Change %
-5.3%
% of All Funds
8.49%
Holding in Top 10
4
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-60%
% of All Funds
0.05%
New
99
Increased
272
Reduced
198
Closed
121
Calls
$59.5M
Puts
$54.9M
Net Calls
+$4.64M
Net Calls Change
+$15.7M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
$165M
2
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$103M
3
Capital World Investors
Capital World Investors
California
$747M
4
Citadel Advisors
Citadel Advisors
Florida
$62.4M
5
Millennium Management
Millennium Management
New York
$102M

Top Sellers

1
BlackRock
BlackRock
New York
$1.27B
2
VNIM
Vaughan Nelson Investment Management
Texas
$0
3
Invesco
Invesco
Georgia
$324M
4
Goldman Sachs
Goldman Sachs
New York
$107M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$459M
Name Holding Trade Value Shares
Change 		Shares
Change %
Jane Street
101
Jane Street
New York
$14.3M -$2.65M -8,224 -16%
HCA
102
Harbor Capital Advisors
Illinois
$14.2M +$6.96M +21,598 +96%
Balyasny Asset Management
103
Balyasny Asset Management
Illinois
$14M +$8.84M +27,423 +170%
Tudor Investment Corp
104
Tudor Investment Corp
Connecticut
$13.8M +$13M +40,441 +1,737%
BAMF
105
BI Asset Management Fondsmaeglerselskab
Denmark
$13.4M +$1.23M +3,831 +10%
Universal-Beteiligungs- und Servicegesellschaft
106
Universal-Beteiligungs- und Servicegesellschaft
Germany
$13.1M -$2.54M -7,867 -16%
CF
107
Corebridge Financial
Texas
$12.8M -$314K -973 -2%
AG
108
Algert Global
California
$12.7M +$577K +1,789 +5%
VanEck Associates
109
VanEck Associates
New York
$12.5M +$1.21M +3,766 +11%
Truist Financial
110
Truist Financial
North Carolina
$12.3M -$444K -1,376 -3%
Macquarie Group
111
Macquarie Group
Australia
$11.5M +$10.6K +33 +0.1%
State Board of Administration of Florida Retirement System
112
State Board of Administration of Florida Retirement System
Florida
$11.4M -$139K -430 -1%
EF
113
Empowered Funds
Pennsylvania
$11M +$10.1M +31,295 +1,155%
California State Teachers Retirement System (CalSTRS)
114
California State Teachers Retirement System (CalSTRS)
California
$10.6M -$121K -374 -1%
Barclays
115
Barclays
United Kingdom
$10.5M -$3.81M -11,819 -27%
DCP
116
Distillate Capital Partners
Illinois
$10.3M -$1.2M -3,719 -10%
Canada Pension Plan Investment Board
117
Canada Pension Plan Investment Board
Ontario, Canada
$10.3M +$3.64M +11,300 +55%
MWM
118
Moran Wealth Management
Florida
$9.79M -$2.68M -8,323 -22%
ACA
119
Aptus Capital Advisors
Alabama
$9.43M +$1.03M +3,200 +12%
Bessemer Group
120
Bessemer Group
New Jersey
$9.39M -$11M -34,108 -54%
ACM
121
Aquatic Capital Management
Illinois
$9.05M +$8.17M +25,358 +928%
Canada Life
122
Canada Life
Manitoba, Canada
$9.01M -$538K -1,665 -6%
SEI Investments
123
SEI Investments
Pennsylvania
$8.78M +$445K +1,381 +5%
Asset Management One
124
Asset Management One
Japan
$8.73M +$2.52M +7,808 +41%
New York State Teachers Retirement System (NYSTRS)
125
New York State Teachers Retirement System (NYSTRS)
New York
$8.73M – – –
3 4
5
6 7