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Comfort Systems

866 hedge funds and large institutions have $27.4B invested in Comfort Systems in 2025 Q3 according to their latest regulatory filings, with 205 funds opening new positions, 277 increasing their positions, 303 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

9% less repeat investments, than reductions

Existing positions increased: 277 | Existing positions reduced: 303

1.4% less ownership

Funds ownership: 95.71%94.3% (-1.4%)

32% less call options, than puts

Call options by funds: $145M | Put options by funds: $213M

Holders
866
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$145M
Puts
$213M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
UBS Group
51
UBS Group
Switzerland
$105M
BCPEMI
52
Bain Capital Public Equity Management II
Massachusetts
$100M
Caisse de Depot et Placement du Quebec (CDPQ)
53
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$99.8M
EAM
54
EULAV Asset Management
Florida
$99.5M
Handelsbanken Fonder
55
Handelsbanken Fonder
Sweden
$94.4M
UBS AM
56
UBS AM
Illinois
$93.8M
American Century Companies
57
American Century Companies
Missouri
$87.7M
Russell Investments Group
58
Russell Investments Group
United Kingdom
$87.4M
Raymond James Financial
59
Raymond James Financial
Florida
$83.6M
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$79.8M
CAM
61
Congress Asset Management
Massachusetts
$79.1M
BGC
62
Blue Grotto Capital
Georgia
$78.9M
Royal Bank of Canada
63
Royal Bank of Canada
Ontario, Canada
$78.7M
AIM
64
Artemis Investment Management
United Kingdom
$77M
GIM
65
Granahan Investment Management
Massachusetts
$76.6M
Jane Street
66
Jane Street
New York
$71.4M
Janus Henderson Group
67
Janus Henderson Group
United Kingdom
$71.2M
Victory Capital Management
68
Victory Capital Management
Texas
$70.9M
Envestnet Asset Management
69
Envestnet Asset Management
Illinois
$70.8M
WCM Investment Management
70
WCM Investment Management
California
$64.8M
Allianz Asset Management
71
Allianz Asset Management
Germany
$64.1M
Retirement Systems of Alabama
72
Retirement Systems of Alabama
Alabama
$63.8M
Citadel Advisors
73
Citadel Advisors
Florida
$57.1M
RS
74
Robeco Schweiz
Switzerland
$57.1M
Swiss National Bank
75
Swiss National Bank
Switzerland
$56.9M