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Comfort Systems USA Inc

FIX
Exchange
NYSE
Industry
Electrical Work
SEC CIK
0001035983

In the last 90 days, Comfort Systems USA Inc insiders filed 0 open-market purchases and 3 sales; 1,357 institutions reported holding it in 13F filings for Q2 2026, worth $64.6B in total; superinvestors Coatue Management and Markel Group hold it.

13F holders, Q1 2024

Institutional positions in Comfort Systems USA Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
505
+61 vs. Q4 2023
Shares held
34.7M
+52.9K (+0.2%) vs. Q4 2023
Total value
$11.0B
+$3.89B (+54.5%) vs. Q4 2023
New holders
109
124 more added
Sold out
48
225 more reduced

3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting FIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 505 institutions
Q1 2021: 252 institutionsQ2 2021: 282 institutionsQ3 2021: 269 institutionsQ4 2021: 291 institutionsQ1 2022: 280 institutionsQ2 2022: 277 institutionsQ3 2022: 299 institutionsQ4 2022: 337 institutionsQ1 2023: 348 institutionsQ2 2023: 378 institutionsQ3 2023: 400 institutionsQ4 2023: 447 institutionsQ1 2024: 505 institutionsQ2 2024: 555 institutionsQ3 2024: 591 institutionsQ4 2024: 665 institutionsQ1 2025: 632 institutionsQ2 2025: 755 institutionsQ3 2025: 888 institutionsQ4 2025: 1,043 institutionsQ1 2026: 1,206 institutionsQ2 2026: 1,357 institutions
Value heldQ1 2024: $11.0B
Q1 2021: $2.57BQ2 2021: $2.67BQ3 2021: $2.43BQ4 2021: $3.41BQ1 2022: $3.11BQ2 2022: $2.88BQ3 2022: $3.35BQ4 2022: $3.92BQ1 2023: $5.03BQ2 2023: $5.62BQ3 2023: $5.97BQ4 2023: $7.16BQ1 2024: $11.0BQ2 2024: $10.5BQ3 2024: $13.1BQ4 2024: $14.4BQ1 2025: $10.9BQ2 2025: $18.1BQ3 2025: $27.5BQ4 2025: $31.1BQ1 2026: $44.6BQ2 2026: $64.6B
Institutions holding FIX and their total value by quarter
QuarterHoldersValue
Q2 20261,357$64.6B
Q1 20261,206$44.6B
Q4 20251,043$31.1B
Q3 2025888$27.5B
Q2 2025755$18.1B
Q1 2025632$10.9B
Q4 2024665$14.4B
Q3 2024591$13.1B
Q2 2024555$10.5B
Q1 2024505$11.0B
Q4 2023447$7.16B
Q3 2023400$5.97B
Q2 2023378$5.62B
Q1 2023348$5.03B
Q4 2022337$3.92B
Q3 2022299$3.35B
Q2 2022277$2.88B
Q1 2022280$3.11B
Q4 2021291$3.41B
Q3 2021269$2.43B
Q2 2021282$2.67B
Q1 2021252$2.57B

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q4 2023.

Institutions holding FIX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Invesco Ltd.1,268,799$403.1M0.09%+13,817+1.1%Added
Capital World Investors2,153,707$684.3M0.11%+451,852+26.6%Added
FMR LLC2,176,868$691.6M0.05%+1,460,167+203.7%Added
Vanguard Group Inc3,909,392$1.24B0.02%−4,710−0.1%Reduced
BlackRock Inc.4,482,218$1.42B0.03%−324,971−6.8%Reduced
Westwood Holdings Group Inc.0$00.00%−151,989−100.0%Sold out
Tributary Capital Management, LLC0$00.00%−101,427−100.0%Sold out
Blue Grotto Capital, LLC0$00.00%−85,819−100.0%Sold out
HRT Financial LP0$00.00%−85,011−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−51,793−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−34,409−100.0%Sold out
Third Avenue Management LLC0$00.00%−19,434−100.0%Sold out
Point72 Middle East FZE0$00.00%−14,080−100.0%Sold out
Bridgewater Associates, LP0$00.00%−7,854−100.0%Sold out
Cinctive Capital Management LP0$00.00%−7,502−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−6,605−100.0%Sold out
Twinbeech Capital LP0$00.00%−4,083−100.0%Sold out
First National Bank of Omaha0$00.00%−4,040−100.0%Sold out
Azzad Asset Management Inc0$00.00%−3,765−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−3,704−100.0%Sold out
Pearl River Capital, LLC0$00.00%−3,406−100.0%Sold out
Marathon Trading Investment Management LLC0$00.00%−3,000−100.0%Sold out
Qsemble Capital Management, LP0$00.00%−2,679−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−2,484−100.0%Sold out
ClearAlpha Technologies LP0$00.00%−2,413−100.0%Sold out
New York Life Investment Management LLC0$00.00%−2,366−100.0%Sold out
Guidance Capital, Inc0$00.00%−1,881−100.0%Sold out
Axq Capital, LP0$00.00%−1,848−100.0%Sold out
AE Wealth Management LLC0$00.00%−1,778−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−1,322−100.0%Sold out
Kapitalo Investimentos Ltda0$00.00%−1,292−100.0%Sold out
B. Metzler seel. Sohn & Co. AG0$00.00%−1,225−100.0%Sold out
FDx Advisors, Inc.0$00.00%−1,201−100.0%Sold out
Heritage Wealth Management, LLC0$00.00%−1,195−100.0%Sold out
Equitable Holdings, Inc.0$00.00%−1,180−100.0%Sold out
DRW Securities, LLC0$00.00%−1,100−100.0%Sold out
Cipher Capital LP0$00.00%−1,095−100.0%Sold out
AIA Group Ltd0$00.00%−1,084−100.0%Sold out
Gallacher Capital Management LLC0$00.00%−1,079−100.0%Sold out
Verition Fund Management LLC0$00.00%−1,027−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−700−100.0%Sold out
Archer Investment Corp0$00.00%−492−100.0%Sold out
Quest Partners LLC0$00.00%−389−100.0%Sold out
BI Asset Management Fondsmaeglerselskab A/S0$00.00%−368−100.0%Sold out
Advisory Services Network, LLC0$00.00%−301−100.0%Sold out
Lee Financial Co0$00.00%−141−100.0%Sold out
Point72 Europe (London) LLP0$00.00%−57−100.0%Sold out
Scarborough Advisors, LLC0$00.00%−55−100.0%Sold out
Bokf, NA0$00.00%−29−100.0%Sold out
McGlone Suttner Wealth Management, Inc.0$00.00%−16−100.0%Sold out
Cornerstone Planning Group LLC0$00.00%−12−100.0%Sold out
Abound Wealth Management0$00.00%−4−100.0%Sold out
Horizon Investments, LLC0$00.00%−3−100.0%Sold out
Putnam Investments LLC––––Not filed
DFPG Investments, LLC––––Not filed
Aware Super Pty Ltd as trustee of Aware Super––––Not filed