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Comfort Systems

1,015 hedge funds and large institutions have $30.8B invested in Comfort Systems in 2025 Q4 according to their latest regulatory filings, with 241 funds opening new positions, 345 increasing their positions, 338 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

0.84% less ownership

Funds ownership: 94.41%93.57% (-0.84%)

29% less funds holding in top 10

Funds holding in top 10: 2417 (-7)

51% less call options, than puts

Call options by funds: $235M | Put options by funds: $480M

Holders
1,015
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$235M
Puts
$480M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MIM
101
Merewether Investment Management
Texas
$43.3M
NAMI
102
Nomura Asset Management International
Pennsylvania
$42.1M
Teacher Retirement System of Texas
103
Teacher Retirement System of Texas
Texas
$40.7M
Cerity Partners
104
Cerity Partners
New York
$38.6M
Kayne Anderson Rudnick Investment Management
105
Kayne Anderson Rudnick Investment Management
California
$38.1M
DCM
106
Driehaus Capital Management
Illinois
$37.8M
RG
107
Renaissance Group
Kentucky
$36.2M
BNP Paribas Asset Management
108
BNP Paribas Asset Management
France
$34.9M
Asset Management One
109
Asset Management One
Japan
$34M
CIBC World Market
110
CIBC World Market
Ontario, Canada
$33.7M
Bank of Montreal
111
Bank of Montreal
Ontario, Canada
$33.6M
Macquarie Group
112
Macquarie Group
Australia
$33.3M
PAM
113
Panagora Asset Management
Massachusetts
$33M
State Board of Administration of Florida Retirement System
114
State Board of Administration of Florida Retirement System
Florida
$31.8M
New York State Common Retirement Fund
115
New York State Common Retirement Fund
New York
$31.4M
BL
116
BWCP LP
Texas
$31.4M
Man Group
117
Man Group
United Kingdom
$31.1M
Credit Agricole
118
Credit Agricole
France
$30.9M
RS
119
Robeco Schweiz
Switzerland
$30.5M
Mariner
120
Mariner
Kansas
$29.9M
SSA
121
Schonfeld Strategic Advisors
New York
$29.1M
Carson Wealth (CWM LLC)
122
Carson Wealth (CWM LLC)
Nebraska
$28.3M
WCA
123
Waratah Capital Advisors
Ontario, Canada
$28.1M
Bessemer Group
124
Bessemer Group
New Jersey
$28M
New York State Teachers Retirement System (NYSTRS)
125
New York State Teachers Retirement System (NYSTRS)
New York
$27.9M