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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, Q4 2024

Institutional positions in Comfort Systems USA Inc as of Dec 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
665
+84 vs. Q3 2024
Shares held
34.0M
+648.4K (+1.9%) vs. Q3 2024
Total value
$14.4B
+$1.39B (+10.7%) vs. Q3 2024
New holders
138
222 more added
Sold out
54
236 more reduced

10 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 665 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 heldQ4 2024: $14.4B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q3 2024.

Institutions holding FIX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Level Four Advisory Services, LLC4,513$1.91M0.08%+764+20.4%Added
Advisor Group Holdings, Inc.4,539$1.93M0.00%+76+1.7%Added
Sheaff Brock Investment Advisors, LLC4,647$1.97M0.17%+4,647New
Nomura Holdings Inc4,708$2.00M0.01%+4,708New
Ontario Teachers Pension Plan Board4,777$2.03M0.03%+3,328+229.7%Added
Consolidated Planning Corp4,783$2.03M0.28%+1,573+49.0%Added
Entropy Technologies, LP4,801$2.04M0.21%+1,000+26.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main4,808$2.04M0.00%+1,568+48.4%Added
Private Client Services, LLC4,899$2.08M1.12%−788−13.9%Reduced
Pictet Asset Management Holding SA4,909$2.08M0.00%+370+8.2%Added
Consolidated Portfolio Review Corp4,986$2.11M0.33%+4,986New
CenterBook Partners LP5,009$2.12M0.13%+5,009New
CWM, LLC5,033$2.13M0.01%+1,564+45.1%Added
Redhawk Wealth Advisors, Inc.5,056$2.14M0.29%+37+0.7%Added
BNP Paribas5,157$2.21M0.09%00.0%Unchanged
Cim, LLC5,249$2.23M0.32%−113−2.1%Reduced
M&T Bank Corp5,328$2.26M0.01%−52−1.0%Reduced
Cowa, LLC5,328$2.26M1.04%−1,048−16.4%Reduced
PDT Partners, LLC5,434$2.30M0.20%−20.0%Reduced
Shaker Investments LLC5,477$2.32M0.97%−30−0.5%Reduced
CBOE Vest Financial, LLC5,583$2.37M0.04%+1,670+42.7%Added
Cetera Investment Advisers5,647$2.39M0.01%+101+1.8%Added
Commonwealth Equity Services, LLC5,770$2.45M0.00%+1,704+41.9%Added
Vestcor Inc5,813$2.46M0.08%+427+7.9%Added
Meritage Portfolio Management5,940$2.52M0.16%+412+7.5%Added
Centiva Capital, LP6,082$2.58M0.10%+4,985+454.4%Added
Strategic Global Advisors, LLC6,213$2.63M0.48%+267+4.5%Added
LRT Capital Management, LLC6,366$2.70M2.11%+188+3.0%Added
The PNC Financial Services Group, Inc.6,451$2.74M0.00%+9+0.1%Added
Hunter Associates Investment Management LLC6,541$2.77M0.42%−224−3.3%Reduced
RFG Advisory, LLC6,725$2.85M0.08%+275+4.3%Added
Horizon Investment Services, LLC6,802$2.88M1.23%−74−1.1%Reduced
Point72 Europe (London) LLP6,831$2.90M0.17%+6,831New
Diversified Trust Co7,070$3.00M0.07%+7,070New
Ameritas Investment Partners, Inc.7,106$3.01M0.10%−190−2.6%Reduced
Regents Gate Capital LLP7,193$3.05M1.21%+7,193New
Oregon Public Employees Retirement Fund7,202$3.05M0.06%−70−1.0%Reduced
Xponance, Inc.7,233$3.07M0.03%+308+4.4%Added
U.S. Capital Wealth Advisors, LLC7,270$3.08M0.10%+7,270New
MML Investors Services, LLC7,376$3.13M0.01%−1,219−14.2%Reduced
New Mexico Educational Retirement Board7,400$3.14M0.11%00.0%Unchanged
Redwood Investments, LLC7,669$3.25M0.87%−15,026−66.2%Reduced
New Age Alpha Advisors, LLC7,722$3.27M0.13%+7,722New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,836$3.32M0.02%−30.0%Reduced
Northwestern Mutual Investment Management Company, LLC7,885$3.34M0.07%−5−0.1%Reduced
Zacks Investment Management7,982$3.38M0.03%−668−7.7%Reduced
CIBC World Markets Inc.7,982$3.38M0.01%+2,863+55.9%Added
KLP Kapitalforvaltning AS8,100$3.43M0.02%+8,100New
Janney Montgomery Scott LLC8,294$3.52M0.01%+2,094+33.8%Added
Quantbot Technologies LP8,323$3.53M0.13%+8,323New
Thrivent Financial for Lutherans8,348$3.54M0.01%−8−0.1%Reduced
State of Michigan Retirement System8,400$3.56M0.02%00.0%Unchanged
4D Advisors, LLC8,500$3.60M2.53%+8,500New
Cambridge Investment Research Advisors, Inc.8,558$3.63M0.01%+776+10.0%Added
Quadrature Capital Ltd8,692$3.69M0.07%+8,692New
Freedom Day Solutions, LLC8,986$3.81M1.14%+192+2.2%Added
Handelsbanken Fonder AB9,137$3.88M0.01%+1,500+19.6%Added
Dorchester Wealth Management Co9,360$3.97M0.79%−150−1.6%Reduced
Jump Financial, LLC9,513$4.03M0.08%+7,939+504.4%Added
Y-Intercept (Hong Kong) Ltd9,538$4.04M0.27%+9,538New
Monument Capital Management9,753$4.14M1.14%+70+0.7%Added
Louisiana State Employees Retirement System9,800$4.16M0.08%−100−1.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,851$4.18M0.01%+1,700+20.9%Added
Crown Advisors Management, Inc.10,000$4.24M2.72%00.0%Unchanged
Bank of Montreal10,036$4.26M0.00%−8,766−46.6%Reduced
Anderson Hoagland & Co8,448$4.26M0.44%−357−4.1%Reduced
Pacer Advisors, Inc.10,063$4.27M0.01%+1,820+22.1%Added
David J Yvars Group10,107$4.29M2.61%−54−0.5%Reduced
Harvest Investment Services, LLC10,118$4.29M1.05%+4,343+75.2%Added
Toroso Investments, LLC10,189$4.32M0.04%+4,986+95.8%Added
Arizona State Retirement System10,354$4.39M0.03%+68+0.7%Added
O'Shaughnessy Asset Management, LLC10,385$4.40M0.04%−231−2.2%Reduced
South Dakota Investment Council10,565$4.48M0.09%00.0%Unchanged
Pathstone Holdings, LLC10,656$4.52M0.02%−2,011−15.9%Reduced
Assenagon Asset Management S.A.11,290$4.79M0.01%−5,117−31.2%Reduced
Teachers Retirement System of the State of Kentucky11,314$4.80M0.04%−550−4.6%Reduced
Brinker Capital Investments, LLC11,659$4.94M0.05%−2,250−16.2%Reduced
Orion Portfolio Solutions, LLC11,659$4.94M0.05%−2,250−16.2%Reduced
F/M Investments LLC11,756$4.99M0.18%−29,282−71.4%Reduced
Bain Capital Public Equity, LP11,761$4.99M3.33%+1,263+12.0%Added
US Bancorp11,830$5.02M0.01%+495+4.4%Added
Edgestream Partners, L.P.11,914$5.05M0.22%+8,664+266.6%Added
HSBC Holdings PLC12,335$5.26M0.00%+2,929+31.1%Added
HighTower Advisors, LLC12,410$5.26M0.01%−76−0.6%Reduced
Premier Fund Managers Ltd12,340$5.29M0.19%−1,090−8.1%Reduced
DekaBank Deutsche Girozentrale12,523$5.33M0.01%00.0%Unchanged
Yousif Capital Management, LLC12,568$5.33M0.06%−566−4.3%Reduced
Police & Firemen's Retirement System of New Jersey12,703$5.39M0.05%+12,703New
EAM Global Investors LLC12,773$5.42M0.97%+7+0.1%Added
State of New Jersey Common Pension Fund D12,817$5.44M0.02%−444−3.3%Reduced
Markel Group Inc.SuperinvestorMarkel Group13,000$5.51M0.05%00.0%Unchanged
Brevan Howard Capital Management LP13,015$5.52M0.14%−532−3.9%Reduced
Aubrey Capital Management Ltd13,300$5.64M2.14%−4,400−24.9%Reduced
Teacher Retirement System of Texas13,507$5.73M0.02%−2,726−16.8%Reduced
State of Wisconsin Investment Board13,524$5.73M0.01%+3,394+33.5%Added
Creative Planning13,551$5.75M0.01%+884+7.0%Added
Nicholas Company, Inc.13,564$5.75M0.09%−2,417−15.1%Reduced
Public Employees Retirement System of Ohio14,240$6.04M0.02%+1,257+9.7%Added
Ieq Capital, LLC14,362$6.09M0.06%+12,422+640.3%Added
State of Tennessee, Treasury Department14,523$6.16M0.02%−409−2.7%Reduced