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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$4.02B +$578M +625,567 +17%
BlackRock
2
BlackRock
New York
$3.22B -$488M -528,953 -13%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$1.56B -$204M -221,310 -12%
Capital World Investors
4
Capital World Investors
California
$1.53B -$147M -158,778 -9%
State Street
5
State Street
Massachusetts
$1.33B +$346M +375,118 +36%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$1.1B +$307M +332,441 +39%
AQR Capital Management
7
AQR Capital Management
Connecticut
$952M +$170M +184,362 +22%
JP Morgan Chase
8
JP Morgan Chase
New York
$660M -$25.4M -27,527 -4%
Westfield Capital Management
9
Westfield Capital Management
Massachusetts
$624M -$152M -164,360 -20%
Invesco
10
Invesco
Georgia
$609M -$380M -411,581 -39%
Norges Bank
11
Norges Bank
Norway
$470M +$465M +503,173 New
First Trust Advisors
12
First Trust Advisors
Illinois
$450M -$28.8M -31,158 -6%
Morgan Stanley
13
Morgan Stanley
New York
$403M +$79.4M +86,013 +25%
Northern Trust
14
Northern Trust
Illinois
$298M +$8.73M +9,459 +3%
Federated Hermes
15
Federated Hermes
Pennsylvania
$296M -$6.29M -6,813 -2%
Deutsche Bank
16
Deutsche Bank
Germany
$292M +$68.7M +74,412 +31%
Fuller & Thaler Asset Management
17
Fuller & Thaler Asset Management
California
$270M -$75.3M -81,584 -22%
Charles Schwab
18
Charles Schwab
California
$267M +$72.7M +78,753 +38%
Baillie Gifford & Co
19
Baillie Gifford & Co
United Kingdom
$256M -$127M -138,042 -33%
AT
20
AMF Tjänstepension
Sweden
$254M -$49.2M -53,306 -16%
Lord, Abbett & Co
21
Lord, Abbett & Co
New Jersey
$253M -$2M -2,167 -0.8%
Jacobs Levy Equity Management
22
Jacobs Levy Equity Management
New Jersey
$250M -$4.22M -4,568 -2%
CHP
23
Castle Hook Partners
New York
$250M -$10.2M -11,098 -4%
Dimensional Fund Advisors
24
Dimensional Fund Advisors
Texas
$248M -$36.1M -39,147 -13%
HRCM
25
Hood River Capital Management
Florida
$229M +$4.31M +4,666 +2%