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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, Q1 2024

Institutional positions in Comfort Systems USA Inc as of Mar 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
505
+61 vs. Q4 2023
Shares held
34.7M
+52.9K (+0.2%) vs. Q4 2023
Total value
$11.0B
+$3.89B (+54.5%) vs. Q4 2023
New holders
109
124 more added
Sold out
48
225 more reduced

3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 505 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 heldQ1 2024: $11.0B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q4 2023.

Institutions holding FIX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,482,218$1.42B0.03%−324,971−6.8%Reduced
Vanguard Group Inc3,909,392$1.24B0.02%−4,710−0.1%Reduced
FMR LLC2,176,868$691.6M0.05%+1,460,167+203.7%Added
Capital World Investors2,153,707$684.3M0.11%+451,852+26.6%Added
Invesco Ltd.1,268,799$403.1M0.09%+13,817+1.1%Added
State Street Corp1,258,078$399.7M0.02%+41,933+3.4%Added
Baillie Gifford & Co1,059,994$336.8M0.26%−86,305−7.5%Reduced
Geode Capital Management, LLC868,488$276.0M0.03%+41,513+5.0%Added
Dimensional Fund Advisors LP721,139$229.1M0.06%−178,422−19.8%Reduced
Westfield Capital Management Co LP667,036$211.9M1.11%+240,466+56.4%Added
JPMorgan Chase & Co645,847$205.2M0.02%−29,981−4.4%Reduced
Fuller & Thaler Asset Management, Inc.606,371$192.7M0.84%−462,846−43.3%Reduced
Alliancebernstein L.P.516,270$164.0M0.06%−93,629−15.4%Reduced
Nuveen Asset Management, LLC487,718$155.0M0.05%−46,023−8.6%Reduced
Hood River Capital Management LLC479,656$152.4M3.40%−2,514−0.5%Reduced
Charles Schwab Investment Management Inc474,317$150.7M0.03%+6,452+1.4%Added
Northern Trust Corp441,954$140.4M0.02%−38,368−8.0%Reduced
Price T Rowe Associates Inc417,231$132.6M0.02%−58,599−12.3%Reduced
Norges Bank410,490$130.4M0.02%+15,201+3.8%Added
Federated Hermes, Inc.407,247$129.4M0.30%−14,835−3.5%Reduced
Goldman Sachs Group Inc367,196$116.7M0.02%+98,128+36.5%Added
Bank of New York Mellon Corp356,019$113.1M0.02%−14,291−3.9%Reduced
Morgan Stanley355,196$112.8M0.01%−50,613−12.5%Reduced
Wellington Management Group LLP342,710$108.9M0.02%+85,034+33.0%Added
GW&K Investment Management, LLC311,103$98.8M0.87%−77,873−20.0%Reduced
First Trust Advisors LP293,034$93.1M0.09%+109,717+59.9%Added
Congress Asset Management Co271,323$86.2M0.61%+8,889+3.4%Added
Capital International Investors270,110$85.8M0.02%00.0%Unchanged
Principal Financial Group Inc259,185$82.3M0.05%−10,258−3.8%Reduced
GFI Investment Counsel Ltd.254,746$80.9M10.25%−14,476−5.4%Reduced
Lord, Abbett & Co. LLC244,601$77.7M0.25%−6,931−2.8%Reduced
Royal London Asset Management Ltd215,560$68.5M0.17%+50,298+30.4%Added
Capital Research Global Investors209,069$66.4M0.02%−47,175−18.4%Reduced
Neumeier Poma Investment Counsel LLC178,911$56.8M5.21%−134,725−43.0%Reduced
Systematic Financial Management LP177,435$56.4M1.57%−61,613−25.8%Reduced
Franklin Resources Inc174,060$55.3M0.02%+163,488+1,546.4%Added
Hennessy Advisors Inc173,800$55.2M2.32%+27,200+18.6%Added
Artemis Investment Management LLP160,610$51.0M0.66%−12,920−7.4%Reduced
Janus Henderson Group PLC155,211$49.3M0.03%−60,351−28.0%Reduced
Driehaus Capital Management LLC144,340$45.9M0.46%−48,641−25.2%Reduced
Panagora Asset Management Inc135,435$43.0M0.22%−7,768−5.4%Reduced
Lazard Asset Management LLC131,191$41.7M0.05%+61,514+88.3%Added
Blackstone Group Inc.130,000$41.3M0.18%+130,000New
Public Employees Retirement Association of Colorado113,572$36.1M0.16%−25,118−18.1%Reduced
Boston Trust Walden Corp113,159$36.0M0.26%−89,367−44.1%Reduced
Rhumbline Advisers109,860$34.9M0.03%+1,198+1.1%Added
Nordea Investment Management AB106,198$33.9M0.04%−13,176−11.0%Reduced
Comerica Bank103,730$33.0M0.14%+26,616+34.5%Added
Victory Capital Management Inc103,239$32.8M0.03%−13,771−11.8%Reduced
Envestnet Asset Management Inc102,656$32.6M0.01%−19,329−15.8%Reduced
Swedbank AB100,000$31.8M0.04%−5,000−4.8%Reduced
Arrowstreet Capital, Limited Partnership98,704$31.4M0.03%+98,704New
Allspring Global Investments Holdings, LLC94,617$30.1M0.05%−9,544−9.2%Reduced
UBS Asset Management Americas Inc89,493$28.4M0.01%+43,178+93.2%Added
Ameriprise Financial Inc88,013$28.0M0.01%−2,465−2.7%Reduced
Bank of America Corp86,288$27.4M0.00%−93,728−52.1%Reduced
Citadel Advisors LLC80,666$25.6M0.02%+21,050+35.3%Added
Storebrand Asset Management AS80,618$25.6M0.09%−22,506−21.8%Reduced
EULAV Asset Management80,604$25.6M0.70%+5,504+7.3%Added
Truist Financial Corp79,556$25.3M0.04%−8,470−9.6%Reduced
Mountain Pacific Investment Advisers Inc79,245$25.2M1.41%+977+1.2%Added
AQR Capital Management LLC75,837$24.1M0.04%+46,577+159.2%Added
TimesSquare Capital Management, LLC73,866$23.5M0.34%+5,196+7.6%Added
Acadian Asset Management LLC72,826$23.1M0.08%+72,826New
Credit Suisse AG71,870$22.8M0.02%+378+0.5%Added
Swiss National Bank70,500$22.4M0.02%00.0%Unchanged
Bessemer Group Inc66,854$21.2M0.04%−6,179−8.5%Reduced
California Public Employees Retirement System65,991$21.0M0.01%+1,340+2.1%Added
Legal & General Group Plc64,901$20.6M0.01%−769−1.2%Reduced
American International Group, Inc.64,304$20.4M0.07%−1,255−1.9%Reduced
Barclays PLC63,585$20.2M0.01%−112,736−63.9%Reduced
BNP Paribas Arbitrage, SA62,094$19.7M0.02%+12,253+24.6%Added
Wells Fargo & Company61,287$19.5M0.01%−2,222−3.5%Reduced
Deutsche Bank AG61,224$19.5M0.01%+20,132+49.0%Added
Summit Partners Public Asset Management, LLC60,000$19.1M0.91%+60,000New
Millennium Management LLC59,308$18.8M0.02%−217,703−78.6%Reduced
RK Capital Management, LLC56,625$18.0M3.63%−41,500−42.3%Reduced
Neuberger Berman Group LLC55,549$17.6M0.01%+704+1.3%Added
Mitsubishi UFJ Trust & Banking Corp55,040$17.5M0.04%−9,460−14.7%Reduced
Retirement Systems of Alabama54,177$17.2M0.07%+9,446+21.1%Added
Congress Wealth Management LLC53,081$16.9M0.29%−3,881−6.8%Reduced
Raymond James & Associates52,876$16.8M0.01%−12,109−18.6%Reduced
UBS Group AG52,627$16.7M0.01%+31,744+152.0%Added
Eagle Asset Management Inc51,963$16.6M0.08%+28,262+119.2%Added
Segall Bryant & Hamill, LLC51,358$16.3M0.31%−735−1.4%Reduced
D. E. Shaw & Co., Inc.50,954$16.2M0.02%+34,616+211.9%Added
Moran Wealth Management, LLC45,171$14.4M0.47%−1,839−3.9%Reduced
Royal Bank of Canada44,411$14.1M0.00%−4,550−9.3%Reduced
Manufacturers Life Insurance Company, The43,506$13.8M0.01%+1,030+2.4%Added
Ziegler Capital Management, LLC62,241$13.6M0.52%+31,006+99.3%Added
AXA S.A.40,435$12.8M0.04%−14,701−26.7%Reduced
MetLife Investment Management36,892$11.7M0.08%−1,208−3.2%Reduced
Prudential Financial Inc36,511$11.6M0.02%+9,964+37.5%Added
California State Teachers Retirement System35,699$11.3M0.01%−2,045−5.4%Reduced
Russell Investments Group, Ltd.34,625$11.0M0.02%+754+2.2%Added
Los Angeles Capital Management LLC33,916$10.8M0.04%−794−2.3%Reduced
Connor, Clark & Lunn Investment Management Ltd.32,532$10.3M0.04%+4,506+16.1%Added
Allianz Asset Management GmbH32,358$10.3M0.02%+15,805+95.5%Added
ProShare Advisors LLC31,724$10.1M0.03%−14,284−31.0%Reduced
Texas Permanent School Fund31,166$9.90M0.08%+313+1.0%Added