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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.

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
1
AQR Capital Management
Connecticut
$165M
2
Jacobs Levy Equity Management
2
Jacobs Levy Equity Management
New Jersey
$103M
3
NL
3
Nuveen LLC
North Carolina
$74.6M
4
Capital World Investors
4
Capital World Investors
California
$747M
5
Citadel Advisors
5
Citadel Advisors
Florida
$62.4M

Top Sellers

1
BlackRock
1
BlackRock
New York
$1.27B
2
Norges Bank
2
Norges Bank
Norway
$0
3
VNIM
3
Vaughan Nelson Investment Management
Texas
$0
4
Invesco
4
Invesco
Georgia
$324M
5
Goldman Sachs
5
Goldman Sachs
New York
$107M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$1.27B 3,952,940 -958,796 -20%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.23B 3,802,542 +21,847 +0.6%
Capital World Investors
3
Capital World Investors
California
$747M 2,317,433 +170,348 +8%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$459M 1,424,242 -272,793 -16%
State Street
5
State Street
Massachusetts
$358M 1,111,185 +7,008 +0.6%
Invesco
6
Invesco
Georgia
$324M 1,004,133 -398,915 -28%
Westfield Capital Management
7
Westfield Capital Management
Massachusetts
$287M 889,639 +4,512 +0.5%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$264M 818,865 +49,331 +6%
Fuller & Thaler Asset Management
9
Fuller & Thaler Asset Management
California
$208M 645,434 -3,031 -0.5%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$167M 519,437 +138,541 +36%
AQR Capital Management
11
AQR Capital Management
Connecticut
$165M 530,428 +273,453 +106%
First Trust Advisors
12
First Trust Advisors
Illinois
$160M 496,138 +32,348 +7%
Baillie Gifford & Co
13
Baillie Gifford & Co
United Kingdom
$144M 445,915 -159,444 -26%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$125M 388,638 +20,854 +6%
Morgan Stanley
15
Morgan Stanley
New York
$121M 374,079 +44,860 +14%
Royal London Asset Management
16
Royal London Asset Management
United Kingdom
$111M 344,517 +117,258 +52%
Goldman Sachs
17
Goldman Sachs
New York
$107M 332,736 -302,278 -48%
Jacobs Levy Equity Management
18
Jacobs Levy Equity Management
New Jersey
$103M 319,813 +239,692 +299%
Millennium Management
19
Millennium Management
New York
$102M 317,852 +150,547 +90%
Northern Trust
20
Northern Trust
Illinois
$102M 317,615 +2,794 +0.9%
Charles Schwab
21
Charles Schwab
California
$97.7M 303,229 +4,464 +1%
Federated Hermes
22
Federated Hermes
Pennsylvania
$96.7M 299,933 -167,905 -36%
AllianceBernstein
23
AllianceBernstein
Tennessee
$95.3M 295,744 -10,000 -3%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$90.3M 280,037 -2,564 -0.9%
Qube Research & Technologies (QRT)
25
Qube Research & Technologies (QRT)
United Kingdom
$81M 251,275 +129,529 +106%
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