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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 $68.7B in total; superinvestors Coatue Management and Markel Group hold it.

13F holders, Q2 2025

Institutional positions in Comfort Systems USA Inc as of Jun 30, 2025. 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
755
+130 vs. Q1 2025
Shares held
33.8M
+59.9K (+0.2%) vs. Q1 2025
Total value
$18.1B
+$7.26B (+66.7%) vs. Q1 2025
New holders
178
267 more added
Sold out
48
231 more reduced

7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 755 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 heldQ2 2025: $18.2B
Q1 2021: $2.58BQ2 2021: $2.68BQ3 2021: $2.43BQ4 2021: $3.42BQ1 2022: $3.12BQ2 2022: $2.89BQ3 2022: $3.41BQ4 2022: $3.99BQ1 2023: $5.15BQ2 2023: $5.68BQ3 2023: $6.02BQ4 2023: $7.48BQ1 2024: $11.5BQ2 2024: $10.7BQ3 2024: $13.1BQ4 2024: $14.4BQ1 2025: $11.0BQ2 2025: $18.2BQ3 2025: $28.2BQ4 2025: $31.4BQ1 2026: $44.6BQ2 2026: $68.7B
Institutions holding FIX and their total value by quarter
QuarterHoldersValue
Q2 20261,357$68.7B
Q1 20261,206$44.6B
Q4 20251,043$31.4B
Q3 2025888$28.2B
Q2 2025755$18.2B
Q1 2025632$11.0B
Q4 2024665$14.4B
Q3 2024591$13.1B
Q2 2024555$10.7B
Q1 2024505$11.5B
Q4 2023447$7.48B
Q3 2023400$6.02B
Q2 2023378$5.68B
Q1 2023348$5.15B
Q4 2022337$3.99B
Q3 2022299$3.41B
Q2 2022277$2.89B
Q1 2022280$3.12B
Q4 2021291$3.42B
Q3 2021269$2.43B
Q2 2021282$2.68B
Q1 2021252$2.58B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q1 2025.

Institutions holding FIX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,881,200$2.08B0.04%−71,740−1.8%Reduced
Vanguard Group Inc3,772,418$2.02B0.03%−30,124−0.8%Reduced
Capital World Investors2,227,153$1.19B0.17%−90,280−3.9%Reduced
FMR LLC1,570,490$842.1M0.05%+146,248+10.3%Added
State Street Corp1,073,777$575.8M0.02%−37,408−3.4%Reduced
Invesco Ltd.990,833$531.3M0.09%−13,300−1.3%Reduced
Westfield Capital Management Co LP936,412$502.1M2.11%+46,773+5.3%Added
Geode Capital Management, LLC821,897$440.8M0.03%+3,032+0.4%Added
AQR Capital Management LLC782,435$419.0M0.35%+252,007+47.5%Added
JPMorgan Chase & Co536,906$287.9M0.02%+17,469+3.4%Added
Fuller & Thaler Asset Management, Inc.533,131$285.9M1.04%−112,303−17.4%Reduced
Norges Bank479,287$257.0M0.03%−2,987−0.6%Reduced
Baillie Gifford & Co432,542$231.9M0.17%−13,373−3.0%Reduced
First Trust Advisors LP395,365$212.0M0.17%−100,773−20.3%Reduced
Royal London Asset Management Ltd342,045$183.4M0.42%−2,472−0.7%Reduced
Northern Trust Corp335,860$180.1M0.02%+18,245+5.7%Added
Morgan Stanley332,070$178.1M0.01%−42,009−11.2%Reduced
Dimensional Fund Advisors LP325,583$174.6M0.04%−63,055−16.2%Reduced
Charles Schwab Investment Management Inc302,190$162.0M0.03%−1,039−0.3%Reduced
Jacobs Levy Equity Management, Inc300,554$161.2M0.63%−19,259−6.0%Reduced
Federated Hermes, Inc.297,944$159.8M0.30%−1,989−0.7%Reduced
Voya Investment Management LLC296,793$158.5M0.16%+67,822+29.6%Added
Bank of New York Mellon Corp276,124$148.1M0.03%−3,913−1.4%Reduced
Alliancebernstein L.P.271,383$145.5M0.05%−24,361−8.2%Reduced
Goldman Sachs Group Inc252,114$135.2M0.02%−80,622−24.2%Reduced
Hood River Capital Management LLC243,385$130.5M1.82%+4,905+2.1%Added
Artemis Investment Management LLP225,330$120.8M1.55%−22,908−9.2%Reduced
Nuveen, LLC213,791$114.6M0.03%−17,753−7.7%Reduced
Deutsche Bank AG213,753$114.6M0.04%+164,634+335.2%Added
Artisan Partners Limited Partnership213,631$114.6M0.17%+213,631New
Clearbridge Investments, LLC209,906$112.6M0.09%+53,734+34.4%Added
Capital International Investors206,942$111.0M0.02%−13,429−6.1%Reduced
GW&K Investment Management, LLC203,065$108.9M0.97%+26,744+15.2%Added
D. E. Shaw & Co., Inc.195,002$104.6M0.10%+26,217+15.5%Added
Franklin Resources Inc190,737$102.3M0.03%+31,145+19.5%Added
Price T Rowe Associates Inc189,993$101.9M0.01%+44,867+30.9%Added
Third Point LLCSuperinvestorThird Point185,000$99.2M1.30%+185,000New
Bank of America Corp181,114$97.1M0.01%+51,059+39.3%Added
Ameriprise Financial Inc179,421$96.2M0.02%+10,526+6.2%Added
Caisse de Depot Et Placement du Quebec179,024$96.0M0.20%+29,951+20.1%Added
UBS Asset Management Americas Inc177,228$95.0M0.02%+35,493+25.0%Added
Capital Research Global Investors175,660$94.2M0.02%00.0%Unchanged
Principal Financial Group Inc173,384$93.0M0.05%+8,300+5.0%Added
Evercore Wealth Management, LLC158,670$85.1M1.32%+32,137+25.4%Added
Millennium Management LLC155,549$83.4M0.07%−162,303−51.1%Reduced
Comerica Bank151,279$81.1M0.31%+5,085+3.5%Added
Arrowstreet Capital, Limited Partnership149,607$80.2M0.06%−1,627−1.1%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main148,312$79.5M0.08%+136,807+1,189.1%Added
Handelsbanken Fonder AB135,137$72.5M0.26%+19,000+16.4%Added
Blue Grotto Capital, LLC133,817$71.8M8.66%+33,817+33.8%Added
EULAV Asset Management132,610$71.1M1.67%+20.0%Added
Lord, Abbett & Co. LLC132,340$71.0M0.23%+37,977+40.2%Added
Lazard Asset Management LLC131,329$70.4M0.10%+35,585+37.2%Added
Carmignac Gestion130,699$70.1M1.08%−3,575−2.7%Reduced
Renaissance Technologies LLC130,300$69.9M0.09%−900−0.7%Reduced
Russell Investments Group, Ltd.125,729$67.4M0.09%+1,247+1.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)124,389$66.7M0.16%+113,987+1,095.8%Added
Congress Asset Management Co111,445$59.8M0.41%+3,880+3.6%Added
Raymond James Financial Inc109,303$58.6M0.02%+19,936+22.3%Added
Janus Henderson Group PLC103,487$55.5M0.03%+1,894+1.9%Added
Freestone Grove Partners LP103,269$55.4M0.42%+85,284+474.2%Added
UBS Group AG100,861$54.1M0.01%+6,706+7.1%Added
Qube Research & Technologies Ltd100,137$53.7M0.07%−151,138−60.1%Reduced
American Century Companies Inc99,035$53.1M0.03%+13,981+16.4%Added
Rhumbline Advisers98,395$52.8M0.05%−1,365−1.4%Reduced
Victory Capital Management Inc98,130$52.6M0.03%−74,441−43.1%Reduced
Susquehanna Fundamental Investments, LLC95,228$51.1M1.37%−1,300−1.3%Reduced
Allianz Asset Management GmbH93,895$50.3M0.07%+2,230+2.4%Added
Systematic Financial Management LP91,890$49.3M1.31%−2,299−2.4%Reduced
Robeco Schweiz AG88,278$47.3M1.09%−40,974−31.7%Reduced
Renaissance Group LLC87,380$46.9M1.83%+5,775+7.1%Added
Schonfeld Strategic Advisors LLC81,497$43.7M0.33%+10,463+14.7%Added
Envestnet Asset Management Inc81,065$43.5M0.01%+7,022+9.5%Added
Danske Bank A/S80,066$42.9M0.11%+16,770+26.5%Added
Retirement Systems of Alabama77,825$41.7M0.15%−166−0.2%Reduced
Mountain Pacific Investment Advisers Inc76,960$41.3M2.99%−421−0.5%Reduced
E. Ohman J:or Asset Management AB74,628$40.0M0.99%−3,412−4.4%Reduced
Man Group plc74,305$39.8M0.09%−16,080−17.8%Reduced
Royal Bank of Canada73,973$39.7M0.01%+14,668+24.7%Added
Schroder Investment Management Group69,704$37.4M0.03%−24,113−25.7%Reduced
Merewether Investment Management, LP69,395$37.2M1.07%+69,395New
Granahan Investment Management Inc68,612$36.8M1.50%+360+0.5%Added
Swiss National Bank67,500$36.2M0.02%−1,500−2.2%Reduced
Nordea Investment Management AB67,098$36.0M0.03%−998−1.5%Reduced
Public Employees Retirement Association of Colorado65,727$35.2M0.14%00.0%Unchanged
Neuberger Berman Group LLC65,357$35.0M0.03%+7,288+12.6%Added
Citadel Advisors LLC64,323$34.5M0.03%−129,398−66.8%Reduced
Legal & General Group Plc64,278$34.5M0.01%−1,406−2.1%Reduced
California Public Employees Retirement System62,896$33.7M0.02%+4,001+6.8%Added
TimesSquare Capital Management, LLC61,710$33.1M0.48%−16,834−21.4%Reduced
Assenagon Asset Management S.A.61,346$32.9M0.05%+60,557+7,675.2%Added
Smith Group Asset Management, LLC59,868$32.1M2.10%+56,738+1,812.7%Added
Neumeier Poma Investment Counsel LLC59,070$31.7M2.95%+833+1.4%Added
AXA S.A.56,700$30.4M0.09%−5,432−8.7%Reduced
Wellington Management Group LLP55,424$29.7M0.01%−293−0.5%Reduced
Driehaus Capital Management LLC54,337$29.1M0.23%+54,337New
Ieq Capital, LLC53,769$28.8M0.18%+31,124+137.4%Added
Wells Fargo & Company49,971$26.8M0.01%+1,619+3.3%Added
WCM Investment Management, LLC49,592$26.5M0.06%+3,009+6.5%Added
Empowered Funds, LLC45,483$24.4M0.28%+11,479+33.8%Added