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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
Jacobs Levy Equity Management, Inc80,121$34.0M0.12%+80,121New
Mountain Pacific Investment Advisers Inc81,783$34.7M2.44%+1,476+1.8%Added
D. E. Shaw & Co., Inc.83,903$35.6M0.04%−45,591−35.2%Reduced
Bank of America Corp87,034$36.9M0.00%−25,166−22.4%Reduced
TimesSquare Capital Management, LLC88,026$37.3M0.54%−7,254−7.6%Reduced
Schroder Investment Management Group89,131$37.8M0.04%+89,131New
Raymond James Financial Inc92,059$39.0M0.01%+92,059New
Renaissance Group LLC94,994$40.3M1.67%+81,951+628.3%Added
Susquehanna Fundamental Investments, LLC96,528$40.9M0.69%+96,528New
Congress Asset Management Co99,454$42.2M0.29%−166,516−62.6%Reduced
Artemis Investment Management LLP100,353$42.6M0.61%+35,955+55.8%Added
Rhumbline Advisers100,719$42.7M0.04%+328+0.3%Added
Bridgewater Associates, LP100,933$42.8M0.20%+85,215+542.1%Added
Caisse de Depot Et Placement du Quebec101,748$43.1M0.09%+76,060+296.1%Added
Ci Investments Inc.116,693$49.5M0.19%−2,825−2.4%Reduced
Systematic Financial Management LP117,960$50.0M1.27%−11,651−9.0%Reduced
Qube Research & Technologies Ltd121,746$51.6M0.08%+32,132+35.9%Added
Wellington Management Group LLP128,116$54.3M0.01%−13,721−9.7%Reduced
Janus Henderson Group PLC134,397$57.0M0.03%+32,269+31.6%Added
Man Group plc136,427$57.9M0.18%+73,226+115.9%Added
Natixis Advisors, L.P.137,034$58.1M0.11%+4,341+3.3%Added
Comerica Bank141,482$60.0M0.24%+4,108+3.0%Added
Ameriprise Financial Inc142,641$60.5M0.02%+72,268+102.7%Added
EULAV Asset Management145,108$61.5M1.48%+50.0%Added
Price T Rowe Associates Inc147,789$62.7M0.01%−14,144−8.7%Reduced
Driehaus Capital Management LLC159,010$67.4M0.56%−45,627−22.3%Reduced
UBS Asset Management Americas Inc159,483$67.6M0.02%−7,891−4.7%Reduced
Lord, Abbett & Co. LLC160,621$68.1M0.22%−19,581−10.9%Reduced
Jennison Associates LLC164,490$69.8M0.04%−12,080−6.8%Reduced
Millennium Management LLC167,305$70.9M0.06%−7,198−4.1%Reduced
Arrowstreet Capital, Limited Partnership170,227$72.2M0.06%+36,482+27.3%Added
Munro Partners173,365$73.5M2.55%−1,825−1.0%Reduced
Principal Financial Group Inc173,707$73.7M0.04%−6,852−3.8%Reduced
Franklin Resources Inc174,406$74.0M0.02%+8,827+5.3%Added
GW&K Investment Management, LLC194,003$82.3M0.70%−48,229−19.9%Reduced
Bain Capital Public Equity Management II, LLC205,723$87.2M4.01%+155,204+307.2%Added
Nuveen Asset Management, LLC226,894$96.2M0.03%−26,613−10.5%Reduced
Royal London Asset Management Ltd227,259$96.4M0.23%−28,242−11.1%Reduced
Hood River Capital Management LLC232,053$98.4M1.45%−156,789−40.3%Reduced
Voya Investment Management LLC233,553$99.0M0.10%+208,283+824.2%Added
Capital Research Global Investors252,071$106.9M0.02%+43,002+20.6%Added
Capital International Investors254,628$108.0M0.02%−6,375−2.4%Reduced
AQR Capital Management LLC256,975$109.0M0.14%+51,702+25.2%Added
Bank of New York Mellon Corp282,601$119.8M0.02%−9,757−3.3%Reduced
Charles Schwab Investment Management Inc298,765$126.7M0.02%−3,233−1.1%Reduced
Alliancebernstein L.P.305,744$129.7M0.04%−239,040−43.9%Reduced
Northern Trust Corp314,821$133.5M0.02%+52,726+20.1%Added
Morgan Stanley329,219$139.6M0.01%+13,857+4.4%Added
Vaughan Nelson Investment Management, L.P.363,947$154.3M1.43%+7,890+2.2%Added
Dimensional Fund Advisors LP367,784$156.0M0.04%−127,982−25.8%Reduced
JPMorgan Chase & Co380,896$161.5M0.01%+250,085+191.2%Added
Norges Bank462,562$196.2M0.03%+23,962+5.5%Added
First Trust Advisors LP463,790$196.7M0.17%+105,756+29.5%Added
Federated Hermes, Inc.467,838$198.4M0.43%+51,771+12.4%Added
Baillie Gifford & Co605,359$256.7M0.20%−401,775−39.9%Reduced
Goldman Sachs Group Inc635,014$269.3M0.05%+56,664+9.8%Added
Fuller & Thaler Asset Management, Inc.648,465$275.0M1.04%−124,408−16.1%Reduced
Geode Capital Management, LLC769,534$326.4M0.03%+21,406+2.9%Added
Westfield Capital Management Co LP885,127$375.3M1.63%+176,947+25.0%Added
State Street Corp1,104,177$468.2M0.02%+48,616+4.6%Added
Invesco Ltd.1,403,048$595.0M0.11%−31,133−2.2%Reduced
FMR LLC1,697,035$719.6M0.04%+148,493+9.6%Added
Capital World Investors2,147,085$910.5M0.14%−130,729−5.7%Reduced
Vanguard Group Inc3,780,695$1.60B0.03%+67,240+1.8%Added
BlackRock, Inc.4,911,736$2.08B0.04%−61,440−1.2%Reduced
Hennessy Advisors Inc0$00.00%−192,600−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−51,233−100.0%Sold out
Blackstone Group Inc.0$00.00%−35,000−100.0%Sold out
HRT Financial LP0$00.00%−25,917−100.0%Sold out
Oberweis Asset Management Inc0$00.00%−25,200−100.0%Sold out
Segall Bryant & Hamill, LLC0$00.00%−21,186−100.0%Sold out
Capital Fund Management S.A.0$00.00%−12,839−100.0%Sold out
Harel Insurance Investments & Financial Services Ltd.0$00.00%−9,197−100.0%Sold out
Penserra Capital Management LLC0$00.00%−5,837−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−4,912−100.0%Sold out
Bridge City Capital, LLC0$00.00%−4,290−100.0%Sold out
Cumberland Partners Ltd0$00.00%−4,000−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−3,798−100.0%Sold out
Locust Wood Capital Advisers, LLC0$00.00%−3,400−100.0%Sold out
SG Americas Securities, LLC0$00.00%−2,480−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−2,467−100.0%Sold out
Seven Eight Capital, LP0$00.00%−2,357−100.0%Sold out
nVerses Capital, LLC0$00.00%−2,300−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−2,268−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−2,244−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−1,932−100.0%Sold out
Azzad Asset Management Inc0$00.00%−1,789−100.0%Sold out
Prudential PLC0$00.00%−1,399−100.0%Sold out
Omers Administration Corp0$00.00%−1,300−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−1,272−100.0%Sold out
Axq Capital, LP0$00.00%−1,266−100.0%Sold out
Capital Wealth Planning, LLC0$00.00%−1,101−100.0%Sold out
Baldwin Brothers Inc0$00.00%−1,060−100.0%Sold out
Veriti Management LLC0$00.00%−869−100.0%Sold out
Aigen Investment Management, LP0$00.00%−777−100.0%Sold out
Old National Bancorp0$00.00%−776−100.0%Sold out
Numerai GP LLC0$00.00%−735−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−658−100.0%Sold out
Mayflower Financial Advisors, LLC0$00.00%−633−100.0%Sold out
Scientech Research LLC0$00.00%−625−100.0%Sold out