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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, Q2 2026

Institutional positions in Comfort Systems USA Inc as of Jun 30, 2026. 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
1,357
+165 vs. Q1 2026
Shares held
32.7M
+305.1K (+0.9%) vs. Q1 2026
Total value
$64.6B
+$20.2B (+45.5%) vs. Q1 2026
New holders
245
498 more added
Sold out
80
490 more reduced

14 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,357 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 2026: $64.6B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q1 2026.

Institutions holding FIX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Manufacturers Life Insurance Company, The23,817$47.2M0.04%−265−1.1%Reduced
Worldquant Millennium Advisors LLC24,023$47.6M0.16%+7,181+42.6%Added
Asset Management One Co.,Ltd.24,290$48.1M0.12%−7,858−24.4%Reduced
National Bank of Canada25,198$49.9M0.04%−5,478−17.9%Reduced
TD Asset Management Inc25,332$50.2M0.04%+1,798+7.6%Added
Vinva Investment Management Ltd26,103$50.9M0.34%+16,746+179.0%Added
Congress Asset Management Co25,704$50.9M0.31%−29,488−53.4%Reduced
Teacher Retirement System of Texas26,973$53.5M0.14%−5,591−17.2%Reduced
Mitsubishi UFJ Trust & Banking Corp27,294$54.1M0.12%+1,537+6.0%Added
EULAV Asset Management27,604$54.7M1.75%−9,504−25.6%Reduced
Cetera Investment Advisers27,940$55.4M0.05%−60.0%Reduced
Susquehanna International Group, LLP28,310$56.1M0.05%+19,338+215.5%Added
Alliancebernstein L.P.40,830$56.3M0.02%−108,131−72.6%Reduced
Empowered Funds, LLC28,872$57.2M0.30%−6,639−18.7%Reduced
Ensign Peak Advisors, Inc28,968$57.4M0.09%+574+2.0%Added
New York State Teachers Retirement System29,025$57.5M0.11%−1,640−5.3%Reduced
PFA Pension, Forsikringsaktieselskab29,238$57.9M0.15%+5,949+25.5%Added
Qube Research & Technologies Ltd29,369$58.2M0.06%+27,356+1,359.0%Added
SG Americas Securities, LLC29,829$59.1M0.03%−123,629−80.6%Reduced
Munro Partners30,230$59.9M1.36%+9,526+46.0%Added
Assenagon Asset Management S.A.31,013$61.5M0.08%+15,855+104.6%Added
Adage Capital Partners GP, L.L.C.31,300$62.0M0.09%+2,716+9.5%Added
Driehaus Capital Management LLC31,499$62.4M0.36%−9,606−23.4%Reduced
Aviva PLC31,554$62.5M0.09%+764+2.5%Added
Danske Bank A/S31,664$62.8M0.13%−4,248−11.8%Reduced
State Board of Administration of Florida Retirement System32,800$65.0M0.11%+641+2.0%Added
New York State Common Retirement Fund32,844$65.1M0.08%−1,850−5.3%Reduced
Canada Pension Plan Investment Board32,880$65.2M0.04%−727−2.2%Reduced
BI Asset Management Fondsmaeglerselskab A/S32,949$65.3M0.52%+3,005+10.0%Added
Virginia Retirement Systems Et Al33,856$67.1M0.40%+33,045+4,074.6%Added
FIL Ltd33,879$67.1M0.05%+7,812+30.0%Added
HRT Financial LP34,217$67.8M0.12%+28,558+504.6%Added
Creative Planning34,488$68.4M0.04%+2,144+6.6%Added
Universal- Beteiligungs- und Servicegesellschaft mbH34,967$69.3M0.11%+6,060+21.0%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.36,128$71.6M0.07%−20−0.1%Reduced
Robeco Institutional Asset Management B.V.36,417$72.2M0.09%+12,880+54.7%Added
Millennium Management LLC36,443$72.2M0.05%−66,870−64.7%Reduced
Merewether Investment Management, LP36,660$72.7M1.37%+14,309+64.0%Added
CIBC World Markets Inc.38,022$75.4M0.13%+5,357+16.4%Added
SEI Investments Co38,034$75.4M0.07%−32,712−46.2%Reduced
Toroso Investments, LLC38,036$75.4M0.18%+836+2.2%Added
Vontobel Holding Ltd.38,212$75.7M0.25%+36,324+1,923.9%Added
Los Angeles Capital Management LLC38,545$76.4M0.28%+14,821+62.5%Added
Cerity Partners LLC40,591$80.4M0.10%−4,945−10.9%Reduced
Balyasny Asset Management LLC40,771$80.8M0.15%+34,843+587.8%Added
Colony Group, LLC41,046$81.4M0.08%+4,858+13.4%Added
Nordea Investment Management AB41,406$81.9M0.07%+28,721+226.4%Added
GW&K Investment Management, LLC43,819$86.9M0.68%−51,855−54.2%Reduced
Fiera Capital Corp43,884$87.0M0.32%−33,008−42.9%Reduced
Mariner, LLC44,794$88.8M0.09%−92−0.2%Reduced
Kayne Anderson Rudnick Investment Management LLC45,608$90.4M0.28%−12,385−21.4%Reduced
Gotham Asset Management, LLC46,105$91.4M0.21%−2,716−5.6%Reduced
Korea Investment CORP46,407$92.0M0.17%+3,311+7.7%Added
Acadian Asset Management LLC46,712$92.6M0.11%+11,754+33.6%Added
Citadel Advisors LLC46,859$92.9M0.05%+22,564+92.9%Added
Storebrand Asset Management AS48,029$95.2M0.23%−16,484−25.6%Reduced
Bridgewater Associates, LP48,506$96.1M0.39%−37,956−43.9%Reduced
Neuberger Berman Group LLC48,630$96.4M0.06%+8,292+20.6%Added
Nomura Asset Management International Inc.49,988$99.1M0.15%+4,028+8.8%Added
Macquarie Group Ltd51,492$102.1M0.44%+11,129+27.6%Added
Smith Group Asset Management, LLC51,773$102.6M4.18%−7,795−13.1%Reduced
LPL Financial LLC51,941$102.9M0.02%+2,281+4.6%Added
California State Teachers Retirement System51,984$103.0M0.09%−2,292−4.2%Reduced
Bank of Montreal52,015$103.1M0.04%+12,130+30.4%Added
Bank Julius Baer & Co. Ltd, Zurich52,483$103.7M0.27%+47,716+1,001.0%Added
Schroder Investment Management Group53,119$105.3M0.07%+7,286+15.9%Added
Polar Capital Holdings Plc53,295$105.6M0.30%+6,790+14.6%Added
Pictet Asset Management Holding SA53,954$106.9M0.10%+24,815+85.2%Added
Man Group plc53,961$106.9M0.20%−3,886−6.7%Reduced
Prudential Financial Inc60,477$119.9M0.13%+26,455+77.8%Added
Victory Capital Management Inc61,448$121.8M0.07%−2,610−4.1%Reduced
Lazard Asset Management LLC61,863$122.6M0.19%−4,847−7.3%Reduced
Jennison Associates LLC63,477$125.8M0.08%+33,590+112.4%Added
Envestnet Asset Management Inc63,900$126.6M0.03%−14,452−18.4%Reduced
Allspring Global Investments Holdings, LLC68,056$126.9M0.19%−56,933−45.6%Reduced
Clearbridge Investments, LLC65,366$129.6M0.11%−94,595−59.1%Reduced
Rhumbline Advisers65,942$130.7M0.10%−655−1.0%Reduced
D. E. Shaw & Co., Inc.67,126$133.0M0.08%−653−1.0%Reduced
BNP Paribas Arbitrage, SA67,390$133.6M0.07%+17,106+34.0%Added
National Pension Service67,589$134.0M0.09%−4,128−5.8%Reduced
Vanguard Asset Management, Ltd68,307$135.4M0.09%+8,101+13.5%Added
Ieq Capital, LLC71,032$140.8M0.65%−18,833−21.0%Reduced
HSBC Holdings PLC71,668$141.9M0.07%+3,516+5.2%Added
Citigroup Inc73,764$146.2M0.07%+43,978+147.6%Added
TimesSquare Capital Management, LLC73,834$146.3M2.15%−134−0.2%Reduced
Renaissance Technologies LLC76,160$150.9M0.21%+19,500+34.4%Added
Vanguard Global Advisers, LLC76,547$151.7M0.07%−1,319−1.7%Reduced
California Public Employees Retirement System76,914$152.4M0.09%−1,199−1.5%Reduced
Panagora Asset Management Inc80,479$159.5M0.49%+41,736+107.7%Added
KBC Group NV81,518$161.6M0.35%−2,874−3.4%Reduced
Barclays PLC83,056$164.6M0.05%−19,914−19.3%Reduced
Principal Financial Group Inc84,870$168.2M0.08%−17,279−16.9%Reduced
Sumitomo Mitsui Trust Holdings, Inc.85,034$168.5M0.10%+2,861+3.5%Added
AustralianSuper Pty Ltd86,175$170.8M0.74%+38,684+81.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.86,222$170.9M0.09%+6,641+8.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)86,899$172.2M0.33%−27,342−23.9%Reduced
SRS Capital Advisors, Inc.91,674$181.7M1.21%+91,127+16,659.4%Added
Jupiter Topco LLC93,950$186.1M0.08%+93,950New
Russell Investments Group, Ltd.95,718$189.6M0.17%−4,169−4.2%Reduced
Capital Research Global Investors95,976$190.2M0.03%−57,663−37.5%Reduced