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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
Two Sigma Investments, LP40,868$17.3M0.04%+3,193+8.5%Added
Corebridge Financial, Inc.40,548$17.2M0.09%−1,918−4.5%Reduced
Intech Investment Management LLC40,453$17.2M0.17%+13,713+51.3%Added
Swedbank AB40,000$17.0M0.02%−50,000−55.6%Reduced
Truist Financial Corp39,628$16.8M0.03%−13,732−25.7%Reduced
Lazard Asset Management LLC39,162$16.6M0.02%−833−2.1%Reduced
Soros Capital Management LLC39,135$16.6M2.60%+39,135New
Moran Wealth Management, LLC38,684$16.4M0.52%−2,603−6.3%Reduced
Two Sigma Advisers, LP38,400$16.3M0.04%+5,000+15.0%Added
BI Asset Management Fondsmaeglerselskab A/S37,859$16.1M0.17%+28,327+297.2%Added
Algert Global LLC37,600$15.9M0.38%+3,381+9.9%Added
Mitsubishi UFJ Trust & Banking Corp37,053$15.7M0.04%−3,762−9.2%Reduced
State Board of Administration of Florida Retirement System35,731$15.2M0.03%−150−0.4%Reduced
Distillate Capital Partners LLC35,681$15.1M0.74%+35,681New
Macquarie Group Ltd35,674$15.1M0.02%+1,690+5.0%Added
Van Eck Associates Corp34,961$14.8M0.02%+9,999+40.1%Added
California State Teachers Retirement System33,343$14.1M0.02%−405−1.2%Reduced
Allspring Global Investments Holdings, LLC30,006$12.9M0.02%−43,370−59.1%Reduced
Stansberry Asset Management, LLC30,080$12.8M1.66%+116+0.4%Added
Great West Life Assurance Co29,551$12.5M0.02%+783+2.7%Added
New York State Teachers Retirement System27,079$11.5M0.02%+1,385+5.4%Added
Manufacturers Life Insurance Company, The26,954$11.4M0.01%−2,367−8.1%Reduced
Engineers Gate Manager LP26,129$11.1M0.19%+8,833+51.1%Added
Aptus Capital Advisors, LLC26,063$11.1M0.13%+4,812+22.6%Added
Credit Agricole S A25,948$11.0M0.04%+2,798+12.1%Added
SEI Investments Co25,860$11.0M0.01%−4,956−16.1%Reduced
Citadel Advisors LLC25,545$10.8M0.01%−15,876−38.3%Reduced
Schonfeld Strategic Advisors LLC25,390$10.8M0.07%+20,498+419.0%Added
Danske Bank A/S24,156$10.2M0.03%+4,643+23.8%Added
Robeco Schweiz AG23,100$9.80M0.21%+900+4.1%Added
Strategic Planning Group, LLC22,882$9.70M1.78%+15,546+211.9%Added
LPL Financial LLC22,598$9.58M0.00%+6,438+39.8%Added
Harbor Capital Advisors, Inc.22,448$9.52M0.42%+125+0.6%Added
Susquehanna International Group, LLP22,153$9.39M0.01%+20,210+1,040.1%Added
Navellier & Associates Inc21,788$9.24M1.11%+9,637+79.3%Added
Trexquant Investment LP21,701$9.20M0.11%−16,670−43.4%Reduced
MetLife Investment Management21,544$9.14M0.05%+1,569+7.9%Added
Congress Wealth Management LLC20,835$8.84M0.12%−26,216−55.7%Reduced
Citigroup Inc20,522$8.70M0.01%+1,811+9.7%Added
Canada Pension Plan Investment Board20,500$8.69M0.01%+4,600+28.9%Added
New York State Common Retirement Fund20,423$8.66M0.01%−2,967−12.7%Reduced
Lisanti Capital Growth, LLC19,625$8.32M2.00%+5,225+36.3%Added
Asset Management One Co.,Ltd.19,227$8.29M0.03%+19,227New
Kennedy Capital Management, Inc.19,330$8.20M0.18%−261−1.3%Reduced
Pallas Capital Advisors LLC19,231$8.16M0.35%−368−1.9%Reduced
Peterson Wealth Services19,057$8.08M2.43%−260−1.3%Reduced
Mutual of America Capital Management LLC18,743$7.95M0.09%−478−2.5%Reduced
Acadian Asset Management LLC17,920$7.59M0.02%−44,039−71.1%Reduced
Amalgamated Bank17,868$7.58M0.06%−83−0.5%Reduced
Beacon Harbor Wealth Advisors, Inc.17,318$7.34M1.71%+96+0.6%Added
RE Advisers Corp17,288$7.33M0.18%−7,000−28.8%Reduced
Ensign Peak Advisors, Inc16,968$7.20M0.01%+784+4.8%Added
Cerity Partners LLC17,476$7.06M0.02%+859+5.2%Added
Walleye Capital LLC16,537$7.01M0.07%+1,157+7.5%Added
TownSquare Capital, LLC16,407$6.96M0.08%−11,716−41.7%Reduced
Fred Alger Management, LLC16,229$6.88M0.03%+2,053+14.5%Added
Thames Capital Management LLC16,155$6.85M1.86%+16,155New
Balyasny Asset Management LLC16,134$6.84M0.02%+14,789+1,099.6%Added
Stifel Financial Corp16,123$6.84M0.01%−2,934−15.4%Reduced
Pinebridge Investments, L.P.15,789$6.70M0.05%+8,274+110.1%Added
Nisa Investment Advisors, LLC15,787$6.69M0.03%−2,374−13.1%Reduced
Treasurer of the State of North Carolina15,454$6.55M0.03%−6,039−28.1%Reduced
Mariner, LLC15,268$6.48M0.01%+2,790+22.4%Added
Prudential Financial Inc14,263$6.34M0.01%−7,831−35.4%Reduced
Gotham Asset Management, LLC14,747$6.25M0.06%+1,383+10.3%Added
State of Tennessee, Treasury Department14,523$6.16M0.02%−409−2.7%Reduced
Ieq Capital, LLC14,362$6.09M0.06%+12,422+640.3%Added
Public Employees Retirement System of Ohio14,240$6.04M0.02%+1,257+9.7%Added
Nicholas Company, Inc.13,564$5.75M0.09%−2,417−15.1%Reduced
Creative Planning13,551$5.75M0.01%+884+7.0%Added
State of Wisconsin Investment Board13,524$5.73M0.01%+3,394+33.5%Added
Teacher Retirement System of Texas13,507$5.73M0.02%−2,726−16.8%Reduced
Aubrey Capital Management Ltd13,300$5.64M2.14%−4,400−24.9%Reduced
Brevan Howard Capital Management LP13,015$5.52M0.14%−532−3.9%Reduced
Markel Group Inc.SuperinvestorMarkel Group13,000$5.51M0.05%00.0%Unchanged
State of New Jersey Common Pension Fund D12,817$5.44M0.02%−444−3.3%Reduced
EAM Global Investors LLC12,773$5.42M0.97%+7+0.1%Added
Police & Firemen's Retirement System of New Jersey12,703$5.39M0.05%+12,703New
Yousif Capital Management, LLC12,568$5.33M0.06%−566−4.3%Reduced
DekaBank Deutsche Girozentrale12,523$5.33M0.01%00.0%Unchanged
Premier Fund Managers Ltd12,340$5.29M0.19%−1,090−8.1%Reduced
HighTower Advisors, LLC12,410$5.26M0.01%−76−0.6%Reduced
HSBC Holdings PLC12,335$5.26M0.00%+2,929+31.1%Added
Edgestream Partners, L.P.11,914$5.05M0.22%+8,664+266.6%Added
US Bancorp11,830$5.02M0.01%+495+4.4%Added
Bain Capital Public Equity, LP11,761$4.99M3.33%+1,263+12.0%Added
F/M Investments LLC11,756$4.99M0.18%−29,282−71.4%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
Teachers Retirement System of the State of Kentucky11,314$4.80M0.04%−550−4.6%Reduced
Assenagon Asset Management S.A.11,290$4.79M0.01%−5,117−31.2%Reduced
Pathstone Holdings, LLC10,656$4.52M0.02%−2,011−15.9%Reduced
South Dakota Investment Council10,565$4.48M0.09%00.0%Unchanged
O'Shaughnessy Asset Management, LLC10,385$4.40M0.04%−231−2.2%Reduced
Arizona State Retirement System10,354$4.39M0.03%+68+0.7%Added
Toroso Investments, LLC10,189$4.32M0.04%+4,986+95.8%Added
Harvest Investment Services, LLC10,118$4.29M1.05%+4,343+75.2%Added
David J Yvars Group10,107$4.29M2.61%−54−0.5%Reduced
Pacer Advisors, Inc.10,063$4.27M0.01%+1,820+22.1%Added
Anderson Hoagland & Co8,448$4.26M0.44%−357−4.1%Reduced