FIX icon

Comfort Systems

1,187 hedge funds and large institutions have $44.5B invested in Comfort Systems in 2026 Q1 according to their latest regulatory filings, with 245 funds opening new positions, 440 increasing their positions, 397 reducing their positions, and 72 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

11% more repeat investments, than reductions

Existing positions increased: 440 | Existing positions reduced: 397

1.69% less ownership

Funds ownership: 93.98%92.29% (-1.7%)

23% less call options, than puts

Call options by funds: $693M | Put options by funds: $894M

Holders
1,187
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$693M
Puts
$894M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Asset Management One
126
Asset Management One
Japan
$44.3M
RS
127
Robeco Schweiz
Switzerland
$43.4M
Aviva
128
Aviva
United Kingdom
$42.5M
National Bank of Canada
129
National Bank of Canada
Quebec, Canada
$42.3M
New York State Teachers Retirement System (NYSTRS)
130
New York State Teachers Retirement System (NYSTRS)
New York
$42.3M
SFM
131
Systematic Financial Management
New Jersey
$41.6M
BAMF
132
BI Asset Management Fondsmaeglerselskab
Denmark
$41.3M
Jennison Associates
133
Jennison Associates
New York
$41.2M
Citigroup
134
Citigroup
New York
$41.1M
RG
135
Renaissance Group
Kentucky
$40.5M
Pictet Asset Management
136
Pictet Asset Management
Switzerland
$40.2M
Universal-Beteiligungs- und Servicegesellschaft
137
Universal-Beteiligungs- und Servicegesellschaft
Germany
$39.9M
Adage Capital Partners
138
Adage Capital Partners
Massachusetts
$39.4M
Ensign Peak Advisors
139
Ensign Peak Advisors
Utah
$39.2M
Cetera Investment Advisers
140
Cetera Investment Advisers
Illinois
$38.5M
Truist Financial
141
Truist Financial
North Carolina
$38.3M
CS
142
Candriam SCA
Luxembourg
$37.3M
ZIG
143
Zurich Insurance Group
Switzerland
$37.1M
Holocene Advisors
144
Holocene Advisors
New York
$36.8M
Fidelity International
145
Fidelity International
Bermuda
$35.9M
GIM
146
Granahan Investment Management
Massachusetts
$35.9M
Mitsubishi UFJ Trust & Banking
147
Mitsubishi UFJ Trust & Banking
Japan
$35.5M
Stifel Financial
148
Stifel Financial
Missouri
$34.8M
State of Wisconsin Investment Board
149
State of Wisconsin Investment Board
Wisconsin
$33.8M
Wealth Enhancement Advisory Services
150
Wealth Enhancement Advisory Services
Minnesota
$33.5M