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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
BlackRock, Inc.4,911,736$2.08B0.04%−61,440−1.2%Reduced
Vanguard Group Inc3,780,695$1.60B0.03%+67,240+1.8%Added
Capital World Investors2,147,085$910.5M0.14%−130,729−5.7%Reduced
FMR LLC1,697,035$719.6M0.04%+148,493+9.6%Added
Invesco Ltd.1,403,048$595.0M0.11%−31,133−2.2%Reduced
State Street Corp1,104,177$468.2M0.02%+48,616+4.6%Added
Westfield Capital Management Co LP885,127$375.3M1.63%+176,947+25.0%Added
Geode Capital Management, LLC769,534$326.4M0.03%+21,406+2.9%Added
Fuller & Thaler Asset Management, Inc.648,465$275.0M1.04%−124,408−16.1%Reduced
Goldman Sachs Group Inc635,014$269.3M0.05%+56,664+9.8%Added
Baillie Gifford & Co605,359$256.7M0.20%−401,775−39.9%Reduced
Federated Hermes, Inc.467,838$198.4M0.43%+51,771+12.4%Added
First Trust Advisors LP463,790$196.7M0.17%+105,756+29.5%Added
Norges Bank462,562$196.2M0.03%+23,962+5.5%Added
JPMorgan Chase & Co380,896$161.5M0.01%+250,085+191.2%Added
Dimensional Fund Advisors LP367,784$156.0M0.04%−127,982−25.8%Reduced
Vaughan Nelson Investment Management, L.P.363,947$154.3M1.43%+7,890+2.2%Added
Morgan Stanley329,219$139.6M0.01%+13,857+4.4%Added
Northern Trust Corp314,821$133.5M0.02%+52,726+20.1%Added
Alliancebernstein L.P.305,744$129.7M0.04%−239,040−43.9%Reduced
Charles Schwab Investment Management Inc298,765$126.7M0.02%−3,233−1.1%Reduced
Bank of New York Mellon Corp282,601$119.8M0.02%−9,757−3.3%Reduced
AQR Capital Management LLC256,975$109.0M0.14%+51,702+25.2%Added
Capital International Investors254,628$108.0M0.02%−6,375−2.4%Reduced
Capital Research Global Investors252,071$106.9M0.02%+43,002+20.6%Added
Voya Investment Management LLC233,553$99.0M0.10%+208,283+824.2%Added
Hood River Capital Management LLC232,053$98.4M1.45%−156,789−40.3%Reduced
Royal London Asset Management Ltd227,259$96.4M0.23%−28,242−11.1%Reduced
Nuveen Asset Management, LLC226,894$96.2M0.03%−26,613−10.5%Reduced
Bain Capital Public Equity Management II, LLC205,723$87.2M4.01%+155,204+307.2%Added
GW&K Investment Management, LLC194,003$82.3M0.70%−48,229−19.9%Reduced
Franklin Resources Inc174,406$74.0M0.02%+8,827+5.3%Added
Principal Financial Group Inc173,707$73.7M0.04%−6,852−3.8%Reduced
Munro Partners173,365$73.5M2.55%−1,825−1.0%Reduced
Arrowstreet Capital, Limited Partnership170,227$72.2M0.06%+36,482+27.3%Added
Millennium Management LLC167,305$70.9M0.06%−7,198−4.1%Reduced
Jennison Associates LLC164,490$69.8M0.04%−12,080−6.8%Reduced
Lord, Abbett & Co. LLC160,621$68.1M0.22%−19,581−10.9%Reduced
UBS Asset Management Americas Inc159,483$67.6M0.02%−7,891−4.7%Reduced
Driehaus Capital Management LLC159,010$67.4M0.56%−45,627−22.3%Reduced
Price T Rowe Associates Inc147,789$62.7M0.01%−14,144−8.7%Reduced
EULAV Asset Management145,108$61.5M1.48%+50.0%Added
Ameriprise Financial Inc142,641$60.5M0.02%+72,268+102.7%Added
Comerica Bank141,482$60.0M0.24%+4,108+3.0%Added
Natixis Advisors, L.P.137,034$58.1M0.11%+4,341+3.3%Added
Man Group plc136,427$57.9M0.18%+73,226+115.9%Added
Janus Henderson Group PLC134,397$57.0M0.03%+32,269+31.6%Added
Wellington Management Group LLP128,116$54.3M0.01%−13,721−9.7%Reduced
Qube Research & Technologies Ltd121,746$51.6M0.08%+32,132+35.9%Added
Systematic Financial Management LP117,960$50.0M1.27%−11,651−9.0%Reduced
Ci Investments Inc.116,693$49.5M0.19%−2,825−2.4%Reduced
Caisse de Depot Et Placement du Quebec101,748$43.1M0.09%+76,060+296.1%Added
Bridgewater Associates, LP100,933$42.8M0.20%+85,215+542.1%Added
Rhumbline Advisers100,719$42.7M0.04%+328+0.3%Added
Artemis Investment Management LLP100,353$42.6M0.61%+35,955+55.8%Added
Congress Asset Management Co99,454$42.2M0.29%−166,516−62.6%Reduced
Susquehanna Fundamental Investments, LLC96,528$40.9M0.69%+96,528New
Renaissance Group LLC94,994$40.3M1.67%+81,951+628.3%Added
Raymond James Financial Inc92,059$39.0M0.01%+92,059New
Schroder Investment Management Group89,131$37.8M0.04%+89,131New
TimesSquare Capital Management, LLC88,026$37.3M0.54%−7,254−7.6%Reduced
Bank of America Corp87,034$36.9M0.00%−25,166−22.4%Reduced
D. E. Shaw & Co., Inc.83,903$35.6M0.04%−45,591−35.2%Reduced
Mountain Pacific Investment Advisers Inc81,783$34.7M2.44%+1,476+1.8%Added
Jacobs Levy Equity Management, Inc80,121$34.0M0.12%+80,121New
American Century Companies Inc79,039$33.5M0.02%+22,116+38.9%Added
Retirement Systems of Alabama77,949$33.1M0.12%+24,302+45.3%Added
Envestnet Asset Management Inc77,932$33.0M0.01%−10,704−12.1%Reduced
Public Employees Retirement Association of Colorado77,650$32.9M0.13%−19,158−19.8%Reduced
Wells Fargo & Company73,757$31.3M0.01%+23,117+45.6%Added
Neumeier Poma Investment Counsel LLC73,534$31.2M3.02%+19,833+36.9%Added
Swiss National Bank70,100$29.7M0.02%+400+0.6%Added
Nordea Investment Management AB67,509$28.9M0.03%−7,743−10.3%Reduced
Squarepoint Ops LLC67,896$28.8M0.07%+21,361+45.9%Added
Natixis Investment Managers International65,015$27.6M2.13%+2,045+3.2%Added
Bessemer Group Inc63,251$26.8M0.04%+2,655+4.4%Added
Legal & General Group Plc62,447$26.5M0.01%−804−1.3%Reduced
California Public Employees Retirement System59,871$25.4M0.02%−3,338−5.3%Reduced
UBS Group AG58,002$24.6M0.01%+3,211+5.9%Added
Neuberger Berman Group LLC56,923$24.1M0.02%+25,831+83.1%Added
Blue Grotto Capital, LLC55,600$23.6M4.31%−18,369−24.8%Reduced
Clearbridge Investments, LLC55,211$23.4M0.02%+55,211New
BNP Paribas Arbitrage, SA54,456$23.1M0.02%+28,041+106.2%Added
Allianz Asset Management GmbH52,725$22.4M0.03%−593−1.1%Reduced
Jane Street Group, LLC52,634$22.3M0.04%−36,563−41.0%Reduced
Russell Investments Group, Ltd.52,421$22.3M0.03%+28,980+123.6%Added
Los Angeles Capital Management LLC51,984$22.0M0.09%−4,755−8.4%Reduced
AXA S.A.51,687$21.9M0.07%+574+1.1%Added
Renaissance Technologies LLC51,300$21.8M0.03%−42,700−45.4%Reduced
River & Mercantile Asset Management LLP49,370$20.9M4.07%+49,370New
Deutsche Bank AG49,103$20.8M0.01%+12,060+32.6%Added
Universal- Beteiligungs- und Servicegesellschaft mbH48,445$20.5M0.04%+48,445New
Royal Bank of Canada47,507$20.1M0.00%+19,753+71.2%Added
Freestone Grove Partners LP47,468$20.1M0.25%+47,468New
Panagora Asset Management Inc44,779$19.0M0.09%−1,055−2.3%Reduced
Barclays PLC44,402$18.8M0.01%+21,554+94.3%Added
Victory Capital Management Inc44,362$18.8M0.02%−22,632−33.8%Reduced
Storebrand Asset Management AS41,787$17.7M0.05%−18,483−30.7%Reduced
WCM Investment Management, LLC40,949$17.6M0.04%−58,604−58.9%Reduced
Natixis41,371$17.5M0.12%+41,371New