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Comfort Systems
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Overview Fund Activity

745 hedge funds and large institutions have $18.1B invested in Comfort Systems in 2025 Q2 according to their latest regulatory filings, with 178 funds opening new positions, 265 increasing their positions, 225 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
745
Holders Change
+120
Holders Change %
+19.2%
% of All Funds
9.99%
Holding in Top 10
16
Holding in Top 10 Change
+12
Holding in Top 10 Change %
+300%
% of All Funds
0.21%
New
178
Increased
265
Reduced
225
Closed
49
Calls
$78.2M
Puts
$62.1M
Net Calls
+$16.1M
Net Calls Change
+$11.4M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
$419M
2
Artisan Partners
Artisan Partners
Wisconsin
$115M
3
TP
Third Point
New York
$99.2M
4
Deutsche Bank
Deutsche Bank
Germany
$115M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$842M

Top Sellers

1
Two Sigma Investments
Two Sigma Investments
New York
$9.61M
2
Millennium Management
Millennium Management
New York
$83.4M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$53.7M
4
Jennison Associates
Jennison Associates
New York
$1.36M
5
Citadel Advisors
Citadel Advisors
Florida
$34.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$2.08B -$38.5M -71,740 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$2.02B -$16.2M -30,124 -0.8%
Capital World Investors
3
Capital World Investors
California
$1.19B -$48.4M -90,280 -4%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$842M +$78.4M +146,248 +10%
State Street
5
State Street
Massachusetts
$576M -$20.1M -37,408 -3%
Invesco
6
Invesco
Georgia
$531M -$7.13M -13,300 -1%
Westfield Capital Management
7
Westfield Capital Management
Massachusetts
$502M +$25.1M +46,773 +5%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$441M +$1.63M +3,032 +0.4%
AQR Capital Management
9
AQR Capital Management
Connecticut
$419M +$135M +252,007 +48%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$288M +$9.37M +17,469 +3%
Fuller & Thaler Asset Management
11
Fuller & Thaler Asset Management
California
$286M -$60.2M -112,303 -17%
Norges Bank
12
Norges Bank
Norway
$257M +$257M +479,287 New
Baillie Gifford & Co
13
Baillie Gifford & Co
United Kingdom
$232M -$7.17M -13,373 -3%
First Trust Advisors
14
First Trust Advisors
Illinois
$212M -$54M -100,773 -20%
Royal London Asset Management
15
Royal London Asset Management
United Kingdom
$183M -$1.33M -2,472 -0.7%
Northern Trust
16
Northern Trust
Illinois
$180M +$9.78M +18,245 +6%
Morgan Stanley
17
Morgan Stanley
New York
$178M -$22.5M -42,009 -11%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$175M -$33.8M -63,055 -16%
Charles Schwab
19
Charles Schwab
California
$162M -$557K -1,039 -0.3%
Jacobs Levy Equity Management
20
Jacobs Levy Equity Management
New Jersey
$161M -$10.3M -19,259 -6%
Federated Hermes
21
Federated Hermes
Pennsylvania
$160M -$1.07M -1,989 -0.7%
VOYA Investment Management
22
VOYA Investment Management
Georgia
$159M +$36.2M +67,822 +30%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$148M -$2.1M -3,913 -1%
AllianceBernstein
24
AllianceBernstein
Tennessee
$146M -$13.1M -24,361 -8%
Goldman Sachs
25
Goldman Sachs
New York
$135M -$43.2M -80,622 -24%
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