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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
+302.9K (+0.9%) vs. Q1 2026
Total value
$64.6B
+$20.2B (+45.5%) vs. Q1 2026
New holders
245
497 more added
Sold out
80
491 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
Strategic Planning Group, LLC14,590$28.9M3.15%+269+1.9%Added
Employees Provident Fund Board14,560$28.9M0.17%−457−3.0%Reduced
Ci Investments Inc.14,490$28.7M0.09%+7,023+94.1%Added
Zevenbergen Capital Investments LLC14,414$28.6M0.65%+14,414New
Public Employees Retirement Association of Colorado14,145$28.0M0.10%00.0%Unchanged
Natixis Advisors, L.P.14,065$27.9M0.03%+1,972+16.3%Added
Hel Ved Capital Management Ltd13,990$27.7M3.91%+8,420+151.2%Added
Tredje AP-fonden13,820$27.4M0.12%+903+7.0%Added
Markel Group Inc.SuperinvestorMarkel Group13,000$25.8M0.20%00.0%Unchanged
ING Groep NV12,921$25.6M0.13%+11,382+739.6%Added
Kovitz Investment Group Partners, LLC12,840$25.4M0.56%−938−6.8%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd12,811$25.4M0.18%−1,567−10.9%Reduced
Nomura Asset Management Co Ltd12,691$25.2M0.05%+559+4.6%Added
State of Tennessee, Treasury Department12,539$24.9M0.07%−456−3.5%Reduced
O'Shaughnessy Asset Management, LLC12,491$24.8M0.12%+961+8.3%Added
Cowa, LLC12,439$24.7M6.18%+425+3.5%Added
Public Employees Retirement System of Ohio12,175$24.1M0.07%−1,330−9.8%Reduced
Pallas Capital Advisors LLC12,126$24.0M0.74%−1,799−12.9%Reduced
BWCP, LP12,104$24.0M3.43%−9,919−45.0%Reduced
Jones Financial Companies LLLP12,880$23.9M0.01%+3,715+40.5%Added
Investment Management Corp of Ontario11,990$23.8M0.30%+1,512+14.4%Added
Trexquant Investment LP11,978$23.7M0.15%−704−5.6%Reduced
Nisa Investment Advisors, LLC11,928$23.6M0.07%−370−3.0%Reduced
Robeco Schweiz AG11,799$23.4M0.38%−19,675−62.5%Reduced
Federation des caisses Desjardins du Quebec11,644$23.1M0.07%+6,668+134.0%Added
DnB Asset Management AS11,577$22.9M0.06%+252+2.2%Added
State of New Jersey Common Pension Fund D11,365$22.5M0.08%−735−6.1%Reduced
Parnassus Investments11,091$22.0M0.06%+11,091New
Andra AP-fonden10,983$21.8M0.25%−3,030−21.6%Reduced
Van Eck Associates Corp10,688$21.2M0.01%+1,933+22.1%Added
Moran Wealth Management, LLC10,601$21.0M0.57%−753−6.6%Reduced
Resona Asset Management Co.,Ltd.10,638$21.0M0.10%−299−2.7%Reduced
Toronto Dominion Bank10,556$20.9M0.03%−4,829−31.4%Reduced
Lansforsakringar Fondforvaltning AB (publ)10,408$20.6M0.09%+2,445+30.7%Added
Mn Services Vermogensbeheer B.V.10,200$20.2M0.15%+10,200New
Oddo BHF Asset Management SAS10,163$20.1M0.93%+6,025+145.6%Added
State of Michigan Retirement System10,100$20.0M0.09%+100+1.0%Added
Arizona State Retirement System10,088$20.0M0.10%+503+5.2%Added
Czech National Bank10,003$19.8M0.11%+418+4.4%Added
Crown Advisors Management, Inc.10,000$19.8M10.88%−3,000−23.1%Reduced
Xponance, Inc.9,924$19.7M0.12%+508+5.4%Added
Pinebridge Investments LLC9,867$19.6M0.16%+5,563+129.3%Added
Retirement Systems of Alabama9,808$19.4M0.06%−91−0.9%Reduced
CIBC Asset Management Inc9,642$19.1M0.04%+1,104+12.9%Added
JGP Wealth Management, LLC9,502$18.8M1.69%−20.0%Reduced
MetLife Investment Management9,407$18.6M0.08%−383−3.9%Reduced
IMC-Chicago, LLC9,346$18.5M0.17%+9,346New
CI Private Wealth, LLC9,134$18.1M0.03%+3,522+62.8%Added
Moore Capital Management, LP9,050$17.9M0.41%+3,112+52.4%Added
ASR Vermogensbeheer N.V.8,834$17.5M0.18%+5,370+155.0%Added
California First Leasing Corp8,720$17.3M3.67%00.0%Unchanged
DekaBank Deutsche Girozentrale12,523$17.2M0.03%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.8,613$17.1M0.04%+1,333+18.3%Added
IFM Investors Pty Ltd8,435$16.7M0.11%+1,048+14.2%Added
USS Investment Management Ltd8,354$16.6M0.07%+8,354New
Keystone Investors Pte Ltd8,302$16.5M0.88%+8,302New
Schonfeld Strategic Advisors LLC8,262$16.4M0.09%−8,331−50.2%Reduced
Verition Fund Management LLC8,238$16.3M0.11%−1,351−14.1%Reduced
Eurizon Capital SGR S.p.A.8,205$16.2M0.04%+3,378+70.0%Added
Dorsey Wright & Associates8,032$15.9M2.70%−7,855−49.4%Reduced
Blue Grotto Capital, LLC8,000$15.9M1.32%−27,467−77.4%Reduced
Varma Mutual Pension Insurance Co7,800$15.5M0.08%+7,800New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,762$15.4M0.07%−436−5.3%Reduced
Baird Financial Group, Inc.7,697$15.3M0.02%−2,404−23.8%Reduced
Woodline Partners LP7,673$15.2M0.05%+776+11.3%Added
Whittier Trust Co8,480$15.2M0.15%+22+0.3%Added
Entropy Technologies, LP7,645$15.2M0.60%+1,191+18.5%Added
PensionDanmark Pensionsforsikringsaktieselskab7,628$15.1M0.13%−2,658−25.8%Reduced
VestGen Advisors, LLC7,459$14.8M0.43%−551−6.9%Reduced
Amalgamated Bank7,408$14.7M0.10%−191−2.5%Reduced
Walleye Capital LLC7,404$14.7M0.07%−1,075−12.7%Reduced
Neumeier Poma Investment Counsel LLC7,356$14.6M1.00%−305−4.0%Reduced
Janney Montgomery Scott LLC7,342$14.6M0.03%−191−2.5%Reduced
Erste Asset Management GmbH7,380$14.4M0.11%+7,379+737,900.0%Added
Pathstone Holdings, LLC7,119$14.1M0.04%−982−12.1%Reduced
Tudor Investment Corp Et Al7,108$14.1M0.06%+6,915+3,582.9%Added
Scalar Gauge Management, LLC7,100$14.1M7.76%+1,000+16.4%Added
Prudential PLC7,069$14.0M0.10%−375−5.0%Reduced
Hedeker Wealth, LLC7,017$13.9M2.65%−112−1.6%Reduced
Advisors Asset Management, Inc.6,969$13.8M0.21%−1,227−15.0%Reduced
Bank of Nova Scotia6,925$13.7M0.02%+2,861+70.4%Added
BW Gestao de Investimentos Ltda.6,904$13.7M0.33%−7,119−50.8%Reduced
Wealth High Governance Capital Ltda6,904$13.7M4.09%−7,119−50.8%Reduced
Spire Wealth Management6,901$13.7M0.41%+451+7.0%Added
Fideuram Asset Management (Ireland) dac7,579$13.6M0.26%+5,769+318.7%Added
Kestra Advisory Services, LLC6,870$13.6M0.04%+649+10.4%Added
Avanza Fonder AB6,863$13.6M0.30%+950+16.1%Added
Commonwealth Equity Services, LLC6,815$13.5M0.02%+699+11.4%Added
Merit Financial Group, LLC6,747$13.4M0.08%−72−1.1%Reduced
Two Sigma Investments, LP6,740$13.4M0.01%−1,654−19.7%Reduced
Kornitzer Capital Management Inc6,700$13.3M0.28%−100−1.5%Reduced
Ilmarinen Mutual Pension Insurance Co6,595$13.1M0.09%00.0%Unchanged
Penobscot Investment Management Company, Inc.6,572$13.0M0.89%+74+1.1%Added
Holocene Advisors, LP6,568$13.0M0.03%−20,111−75.4%Reduced
B. Metzler seel. Sohn & Co. AG6,561$13.0M0.11%+2,588+65.1%Added
Mawer Investment Management Ltd.6,534$13.0M0.09%+1,338+25.8%Added
Illinois Municipal Retirement Fund6,531$12.9M0.15%−266−3.9%Reduced
ProShare Advisors LLC6,490$12.9M0.02%+1,468+29.2%Added
GWM Advisors LLC6,476$12.8M0.04%+1,512+30.5%Added
Silvant Capital Management LLC6,454$12.8M0.37%+3,558+122.9%Added