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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
Gotham Asset Management, LLC14,747$6.25M0.06%+1,383+10.3%Added
Prudential Financial Inc14,263$6.34M0.01%−7,831−35.4%Reduced
Mariner, LLC15,268$6.48M0.01%+2,790+22.4%Added
Treasurer of the State of North Carolina15,454$6.55M0.03%−6,039−28.1%Reduced
Nisa Investment Advisors, LLC15,787$6.69M0.03%−2,374−13.1%Reduced
Pinebridge Investments, L.P.15,789$6.70M0.05%+8,274+110.1%Added
Stifel Financial Corp16,123$6.84M0.01%−2,934−15.4%Reduced
Balyasny Asset Management LLC16,134$6.84M0.02%+14,789+1,099.6%Added
Thames Capital Management LLC16,155$6.85M1.86%+16,155New
Fred Alger Management, LLC16,229$6.88M0.03%+2,053+14.5%Added
TownSquare Capital, LLC16,407$6.96M0.08%−11,716−41.7%Reduced
Walleye Capital LLC16,537$7.01M0.07%+1,157+7.5%Added
Cerity Partners LLC17,476$7.06M0.02%+859+5.2%Added
Ensign Peak Advisors, Inc16,968$7.20M0.01%+784+4.8%Added
RE Advisers Corp17,288$7.33M0.18%−7,000−28.8%Reduced
Beacon Harbor Wealth Advisors, Inc.17,318$7.34M1.71%+96+0.6%Added
Amalgamated Bank17,868$7.58M0.06%−83−0.5%Reduced
Acadian Asset Management LLC17,920$7.59M0.02%−44,039−71.1%Reduced
Mutual of America Capital Management LLC18,743$7.95M0.09%−478−2.5%Reduced
Peterson Wealth Services19,057$8.08M2.43%−260−1.3%Reduced
Pallas Capital Advisors LLC19,231$8.16M0.35%−368−1.9%Reduced
Kennedy Capital Management, Inc.19,330$8.20M0.18%−261−1.3%Reduced
Asset Management One Co.,Ltd.19,227$8.29M0.03%+19,227New
Lisanti Capital Growth, LLC19,625$8.32M2.00%+5,225+36.3%Added
New York State Common Retirement Fund20,423$8.66M0.01%−2,967−12.7%Reduced
Canada Pension Plan Investment Board20,500$8.69M0.01%+4,600+28.9%Added
Citigroup Inc20,522$8.70M0.01%+1,811+9.7%Added
Congress Wealth Management LLC20,835$8.84M0.12%−26,216−55.7%Reduced
MetLife Investment Management21,544$9.14M0.05%+1,569+7.9%Added
Trexquant Investment LP21,701$9.20M0.11%−16,670−43.4%Reduced
Navellier & Associates Inc21,788$9.24M1.11%+9,637+79.3%Added
Susquehanna International Group, LLP22,153$9.39M0.01%+20,210+1,040.1%Added
Harbor Capital Advisors, Inc.22,448$9.52M0.42%+125+0.6%Added
LPL Financial LLC22,598$9.58M0.00%+6,438+39.8%Added
Strategic Planning Group, LLC22,882$9.70M1.78%+15,546+211.9%Added
Robeco Schweiz AG23,100$9.80M0.21%+900+4.1%Added
Danske Bank A/S24,156$10.2M0.03%+4,643+23.8%Added
Schonfeld Strategic Advisors LLC25,390$10.8M0.07%+20,498+419.0%Added
Citadel Advisors LLC25,545$10.8M0.01%−15,876−38.3%Reduced
SEI Investments Co25,860$11.0M0.01%−4,956−16.1%Reduced
Credit Agricole S A25,948$11.0M0.04%+2,798+12.1%Added
Aptus Capital Advisors, LLC26,063$11.1M0.13%+4,812+22.6%Added
Engineers Gate Manager LP26,129$11.1M0.19%+8,833+51.1%Added
Manufacturers Life Insurance Company, The26,954$11.4M0.01%−2,367−8.1%Reduced
New York State Teachers Retirement System27,079$11.5M0.02%+1,385+5.4%Added
Great West Life Assurance Co29,551$12.5M0.02%+783+2.7%Added
Stansberry Asset Management, LLC30,080$12.8M1.66%+116+0.4%Added
Allspring Global Investments Holdings, LLC30,006$12.9M0.02%−43,370−59.1%Reduced
California State Teachers Retirement System33,343$14.1M0.02%−405−1.2%Reduced
Van Eck Associates Corp34,961$14.8M0.02%+9,999+40.1%Added
Macquarie Group Ltd35,674$15.1M0.02%+1,690+5.0%Added
Distillate Capital Partners LLC35,681$15.1M0.74%+35,681New
State Board of Administration of Florida Retirement System35,731$15.2M0.03%−150−0.4%Reduced
Mitsubishi UFJ Trust & Banking Corp37,053$15.7M0.04%−3,762−9.2%Reduced
Algert Global LLC37,600$15.9M0.38%+3,381+9.9%Added
BI Asset Management Fondsmaeglerselskab A/S37,859$16.1M0.17%+28,327+297.2%Added
Two Sigma Advisers, LP38,400$16.3M0.04%+5,000+15.0%Added
Moran Wealth Management, LLC38,684$16.4M0.52%−2,603−6.3%Reduced
Soros Capital Management LLC39,135$16.6M2.60%+39,135New
Lazard Asset Management LLC39,162$16.6M0.02%−833−2.1%Reduced
Truist Financial Corp39,628$16.8M0.03%−13,732−25.7%Reduced
Swedbank AB40,000$17.0M0.02%−50,000−55.6%Reduced
Intech Investment Management LLC40,453$17.2M0.17%+13,713+51.3%Added
Corebridge Financial, Inc.40,548$17.2M0.09%−1,918−4.5%Reduced
Two Sigma Investments, LP40,868$17.3M0.04%+3,193+8.5%Added
Natixis41,371$17.5M0.12%+41,371New
WCM Investment Management, LLC40,949$17.6M0.04%−58,604−58.9%Reduced
Storebrand Asset Management AS41,787$17.7M0.05%−18,483−30.7%Reduced
Victory Capital Management Inc44,362$18.8M0.02%−22,632−33.8%Reduced
Barclays PLC44,402$18.8M0.01%+21,554+94.3%Added
Panagora Asset Management Inc44,779$19.0M0.09%−1,055−2.3%Reduced
Freestone Grove Partners LP47,468$20.1M0.25%+47,468New
Royal Bank of Canada47,507$20.1M0.00%+19,753+71.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH48,445$20.5M0.04%+48,445New
Deutsche Bank AG49,103$20.8M0.01%+12,060+32.6%Added
River & Mercantile Asset Management LLP49,370$20.9M4.07%+49,370New
Renaissance Technologies LLC51,300$21.8M0.03%−42,700−45.4%Reduced
AXA S.A.51,687$21.9M0.07%+574+1.1%Added
Los Angeles Capital Management LLC51,984$22.0M0.09%−4,755−8.4%Reduced
Russell Investments Group, Ltd.52,421$22.3M0.03%+28,980+123.6%Added
Jane Street Group, LLC52,634$22.3M0.04%−36,563−41.0%Reduced
Allianz Asset Management GmbH52,725$22.4M0.03%−593−1.1%Reduced
BNP Paribas Arbitrage, SA54,456$23.1M0.02%+28,041+106.2%Added
Clearbridge Investments, LLC55,211$23.4M0.02%+55,211New
Blue Grotto Capital, LLC55,600$23.6M4.31%−18,369−24.8%Reduced
Neuberger Berman Group LLC56,923$24.1M0.02%+25,831+83.1%Added
UBS Group AG58,002$24.6M0.01%+3,211+5.9%Added
California Public Employees Retirement System59,871$25.4M0.02%−3,338−5.3%Reduced
Legal & General Group Plc62,447$26.5M0.01%−804−1.3%Reduced
Bessemer Group Inc63,251$26.8M0.04%+2,655+4.4%Added
Natixis Investment Managers International65,015$27.6M2.13%+2,045+3.2%Added
Squarepoint Ops LLC67,896$28.8M0.07%+21,361+45.9%Added
Nordea Investment Management AB67,509$28.9M0.03%−7,743−10.3%Reduced
Swiss National Bank70,100$29.7M0.02%+400+0.6%Added
Neumeier Poma Investment Counsel LLC73,534$31.2M3.02%+19,833+36.9%Added
Wells Fargo & Company73,757$31.3M0.01%+23,117+45.6%Added
Public Employees Retirement Association of Colorado77,650$32.9M0.13%−19,158−19.8%Reduced
Envestnet Asset Management Inc77,932$33.0M0.01%−10,704−12.1%Reduced
Retirement Systems of Alabama77,949$33.1M0.12%+24,302+45.3%Added
American Century Companies Inc79,039$33.5M0.02%+22,116+38.9%Added