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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
CIBC Asset Management
251
CIBC Asset Management
Ontario, Canada
$11.8M
Walleye Capital
252
Walleye Capital
New York
$11.7M
ECM
253
Engle Capital Management
Connecticut
$11.6M
Two Sigma Investments
254
Two Sigma Investments
New York
$11.6M
COPPSERS
255
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$11.3M
AAM
256
Advisors Asset Management
Colorado
$11.3M
Pathstone Holdings
257
Pathstone Holdings
New Jersey
$11.2M
LF
258
Lansforsakringar Fondforvaltning
Sweden
$11M
ACM
259
Aquatic Capital Management
Illinois
$11M
NPIC
260
Neumeier Poma Investment Counsel
California
$10.6M
AB
261
Amalgamated Bank
New York
$10.5M
HighTower Advisors
262
HighTower Advisors
Illinois
$10.5M
LIP
263
Lighthouse Investment Partners
Florida
$10.5M
DAC
264
Dividend Assets Capital
South Carolina
$10.4M
BS
265
Banco Santander
Spain
$10.4M
Janney Montgomery Scott
266
Janney Montgomery Scott
Pennsylvania
$10.4M
PTPFOECYE
267
PBU - The Pension Fund of Early Childhood & Youth Educators
$10.4M
DWM
268
Diversify Wealth Management
Utah
$10.3M
CI Investments Inc
269
CI Investments Inc
Ontario, Canada
$10.3M
PP
270
Prudential plc
United Kingdom
$10.3M
HA
271
Huntleigh Advisors
Missouri
$10.3M
II
272
IFM Investors
Australia
$10.2M
JF
273
Jump Financial
Illinois
$10.1M
AI
274
AdvisorShares Investments
Maryland
$10M
Cambridge Investment Research Advisors
275
Cambridge Investment Research Advisors
Iowa
$10M