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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 48 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
745
Holders Change
+121
Holders Change %
+19.39%
% 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
48
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
+$135M
2
Artisan Partners
Artisan Partners
Wisconsin
+$115M
3
TP
Third Point
New York
+$99.2M
4
Deutsche Bank
Deutsche Bank
Germany
+$88.3M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$78.4M

Top Sellers

1
Two Sigma Investments
Two Sigma Investments
New York
-$88.5M
2
Millennium Management
Millennium Management
New York
-$87M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$81M
4
Jennison Associates
Jennison Associates
New York
-$75.2M
5
Citadel Advisors
Citadel Advisors
Florida
-$69.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
KIA
476
Knollwood Investment Advisory
Maryland
$483K – – –
SOW
477
State of Wyoming
Wyoming
$479K +$105K +195 +28%
HWM
478
HB Wealth Management
Georgia
$475K -$323K -603 -40%
MA
479
Mezzasalma Advisors
New Jersey
$474K +$90.1K +168 +23%
CP
480
CenterBook Partners
Connecticut
$473K -$1.61M -3,007 -77%
SC
481
Syon Capital
California
$473K -$18.2K -34 -4%
BP
482
Ballentine Partners
Massachusetts
$471K +$471K +879 New
BTW
483
Boston Trust Walden
Massachusetts
$469K – – –
AFCM
484
Applied Finance Capital Management
Puerto Rico
$464K +$464K +866 New
SW
485
SkyOak Wealth
Michigan
$462K – – –
SFC
486
SYM Financial Corp
Indiana
$460K +$106K +197 +30%
LGF
487
LGT Group Foundation
Liechtenstein
$458K – – –
OR
488
Olympiad Research
Connecticut
$456K +$456K +851 New
CCA
489
Catalyst Capital Advisors
New York
$456K -$37.5K -70 -8%
AWM
490
AE Wealth Management
Kansas
$453K -$102K -190 -18%
MYAM
491
Meiji Yasuda Asset Management
Japan
$453K -$3.22K -6 -0.7%
Jones Financial Companies
492
Jones Financial Companies
Missouri
$452K +$273K +510 +152%
HFM
493
Harvest Fund Management
China
$448K +$448K +836 New
FFM
494
Forum Financial Management
Illinois
$448K +$1.07K +2 +0.2%
HIC
495
Holderness Investments Company
North Carolina
$443K +$443K +826 New
EI
496
Ethic Inc
New York
$441K -$909K -1,699 -67%
QIM
497
Quantitative Investment Management
Virginia
$438K -$3.24M -6,040 -88%
PA
498
Profund Advisors
Maryland
$436K -$29K -54 -6%
FT
499
Fiduciary Trust
Massachusetts
$431K +$4.29K +8 +1%
IPW
500
Impact Partnership Wealth
Georgia
$430K -$7.51K -14 -2%
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