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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 %
PIM
251
Penobscot Investment Management
Massachusetts
$3.54M +$1.53M +2,853 +76%
SIC
252
Schwartz Investment Counsel
Michigan
$3.54M – – –
SGA
253
Strategic Global Advisors
California
$3.48M +$250K +466 +8%
Janney Montgomery Scott
254
Janney Montgomery Scott
Pennsylvania
$3.45M +$992K +1,850 +40%
LCM
255
LRT Capital Management
Texas
$3.45M -$182K -339 -5%
HIS
256
Horizon Investment Services
Indiana
$3.41M -$319K -594 -9%
PF
257
Prosperitas Financial
California
$3.33M +$3.33M +6,217 New
CAMG
258
CWA Asset Management Group
Florida
$3.33M +$3.33M +6,212 New
OHIS
259
Oak Harvest Investment Services
Texas
$3.28M +$3.28M +6,113 New
MPM
260
Meritage Portfolio Management
Kansas
$3.27M -$150K -280 -4%
IAA
261
Independent Advisor Alliance
North Carolina
$3.14M +$3.14M +5,863 New
SAM
262
Secure Asset Management
Michigan
$3.11M -$309K -577 -9%
GCM
263
Graham Capital Management
Connecticut
$3.11M +$950K +1,772 +44%
VVP
264
Venture Visionary Partners
Ohio
$3.08M +$3.08M +5,745 New
Fiera Capital (Canada)
265
Fiera Capital (Canada)
Quebec, Canada
$3.04M -$30K -56 -1%
PNC Financial Services Group
266
PNC Financial Services Group
Pennsylvania
$3.03M +$60.1K +112 +2%
Canada Pension Plan Investment Board
267
Canada Pension Plan Investment Board
Ontario, Canada
$3M -$14M -26,200 -82%
NS
268
Night Squared
New York
$3M +$3M +5,598 New
IMRF
269
Illinois Municipal Retirement Fund
Illinois
$2.98M +$1.91M +3,567 +179%
DT
270
Diversified Trust
Tennessee
$2.94M -$13.9K -26 -0.5%
CAPTRUST Financial Advisors
271
CAPTRUST Financial Advisors
North Carolina
$2.92M +$1.2M +2,242 +70%
HA
272
Huntleigh Advisors
Missouri
$2.91M +$2.91M +5,431 New
Pictet Asset Management
273
Pictet Asset Management
Switzerland
$2.81M -$105K -195 -4%
PAG
274
Private Advisor Group
New Jersey
$2.78M +$2.32M +4,317 +498%
AAM
275
Advisors Asset Management
Colorado
$2.76M +$832K +1,552 +43%
9 10
11
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