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Comfort Systems

1,038 hedge funds and large institutions have $31B invested in Comfort Systems in 2025 Q4 according to their latest regulatory filings, with 257 funds opening new positions, 353 increasing their positions, 337 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

217% more first-time investments, than exits

New positions opened: 257 | Existing positions closed: 81

17% more funds holding

Funds holding: 8841,038 (+154)

13% more capital invested

Capital invested by funds: $27.5B → $31B (+$3.51B)

5% more repeat investments, than reductions

Existing positions increased: 353 | Existing positions reduced: 337

0.45% less ownership

Funds ownership: 94.46%94.01% (-0.45%)

25% less funds holding in top 10

Funds holding in top 10: 2418 (-6)

51% less call options, than puts

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

Holders
1,038
Holders Change
+154
Holders Change %
+17.42%
% of All Funds
12.63%
Holding in Top 10
18
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-25%
% of All Funds
0.22%
New
257
Increased
353
Reduced
337
Closed
81
Calls
$235M
Puts
$480M
Net Calls
-$245M
Net Calls Change
-$177M
Name Holding Trade Value Shares
Change
Change in
Stake
GKIM
51
GW&K Investment Management
Massachusetts
$104M -$58.3M -63,170 -36%
Caisse de Depot et Placement du Quebec (CDPQ)
52
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$98.5M -$14.2M -15,349 -13%
TP
53
Third Point
New York
$98M -$87.7M -95,000 -48%
Principal Financial Group
54
Principal Financial Group
Iowa
$97.2M -$52.3M -56,609 -35%
Russell Investments Group
55
Russell Investments Group
United Kingdom
$94.5M -$4.34M -4,704 -4%
Janus Henderson Group
56
Janus Henderson Group
United Kingdom
$92.3M +$11.8M +12,746 +15%
Swiss National Bank
57
Swiss National Bank
Switzerland
$90.2M +$25.6M +27,780 +40%
WCM Investment Management
58
WCM Investment Management
California
$88.7M +$11.9M +12,883 +16%
KBC Group
59
KBC Group
Belgium
$85.6M +$83.8M +90,754 +9,308%
Allianz Asset Management
60
Allianz Asset Management
Germany
$84.8M +$12.2M +13,183 +17%
Raymond James Financial
61
Raymond James Financial
Florida
$80.6M -$13.8M -14,953 -15%
Robeco Institutional Asset Management
62
Robeco Institutional Asset Management
Netherlands
$79.1M +$76M +82,295 +3,378%
D.E. Shaw & Co
63
D.E. Shaw & Co
New York
$78.9M -$95.2M -103,093 -55%
Qube Research & Technologies (QRT)
64
Qube Research & Technologies (QRT)
United Kingdom
$77.6M -$123M -133,531 -62%
IC
65
IEQ Capital
California
$77.4M +$18.4M +19,889 +32%
CAM
66
Congress Asset Management
Massachusetts
$76.8M -$12.5M -13,539 -14%
Mitsubishi UFJ Asset Management
67
Mitsubishi UFJ Asset Management
Japan
$73.8M +$67.9M +73,491 +106,509%
Fiera Capital (Canada)
68
Fiera Capital (Canada)
Quebec, Canada
$72M +$17.5M +18,985 +33%
Sumitomo Mitsui Trust Group
69
Sumitomo Mitsui Trust Group
Japan
$69.7M +$68.7M +74,357 +24,703%
Allspring Global Investments
70
Allspring Global Investments
North Carolina
$65.6M +$60.3M +65,366 New
BA
71
Bridgewater Associates
Connecticut
$63.6M +$14.9M +16,116 +31%
Barclays
72
Barclays
United Kingdom
$63.1M +$2.66M +2,879 +4%
RhumbLine Advisers
73
RhumbLine Advisers
Massachusetts
$62.7M -$27.2M -29,484 -31%
Schroder Investment Management Group
74
Schroder Investment Management Group
United Kingdom
$62.2M +$20.9M +22,659 +51%
Squarepoint
75
Squarepoint
New York
$62.1M +$58.3M +63,199 +1,875%