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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 %
AIM
26
Artemis Investment Management
United Kingdom
$80M +$47.7M +147,885 +147%
HRCM
27
Hood River Capital Management
Florida
$76.9M +$2.07M +6,427 +3%
NL
28
Nuveen LLC
North Carolina
$74.6M +$74.6M +231,544 New
VOYA Investment Management
29
VOYA Investment Management
Georgia
$73.7M -$1.47M -4,582 -2%
Capital International Investors
30
Capital International Investors
California
$71M -$11M -34,257 -13%
Citadel Advisors
31
Citadel Advisors
Florida
$62.4M +$54.2M +168,176 +658%
Two Sigma Investments
32
Two Sigma Investments
New York
$59M +$45.8M +142,183 +348%
GKIM
33
GW&K Investment Management
Massachusetts
$56.8M -$5.7M -17,682 -9%
Capital Research Global Investors
34
Capital Research Global Investors
California
$56.6M -$24.6M -76,411 -30%
Victory Capital Management
35
Victory Capital Management
Texas
$55.6M +$41.3M +128,209 +289%
Ameriprise
36
Ameriprise
Minnesota
$54.4M +$8.46M +26,254 +18%
D.E. Shaw & Co
37
D.E. Shaw & Co
New York
$54.4M +$27.4M +84,882 +101%
Principal Financial Group
38
Principal Financial Group
Iowa
$53.2M -$2.78M -8,623 -5%
Franklin Resources
39
Franklin Resources
California
$51.4M -$4.77M -14,814 -8%
ClearBridge Investments
40
ClearBridge Investments
New York
$50.3M +$32.5M +100,961 +183%
Arrowstreet Capital
41
Arrowstreet Capital
Massachusetts
$48.7M -$6.12M -18,993 -11%
Caisse de Depot et Placement du Quebec (CDPQ)
42
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$48.1M +$15.3M +47,325 +47%
Comerica Bank
43
Comerica Bank
Texas
$47.1M +$1.52M +4,712 +3%
T. Rowe Price Associates
44
T. Rowe Price Associates
Maryland
$46.8M -$858K -2,663 -2%
Jennison Associates
45
Jennison Associates
New York
$46M -$7M -21,731 -13%
UBS AM
46
UBS AM
Illinois
$45.7M -$5.72M -17,748 -11%
CG
47
Carmignac Gestion
France
$43.3M +$43.3M +134,274 New
EAM
48
EULAV Asset Management
Florida
$42.7M -$4.03M -12,500 -9%
Renaissance Technologies
49
Renaissance Technologies
New York
$42.3M +$25.8M +79,900 +156%
Bank of America
50
Bank of America
North Carolina
$41.9M +$13.9M +43,021 +49%
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