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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, Q3 2023

Institutional positions in Comfort Systems USA Inc as of Sep 30, 2023. 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
400
+25 vs. Q2 2023
Shares held
35.0M
+533.3K (+1.5%) vs. Q2 2023
Total value
$5.97B
+$345.5M (+6.1%) vs. Q2 2023
New holders
51
132 more added
Sold out
26
171 more reduced

3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 400 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 heldQ3 2023: $5.97B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q2 2023.

Institutions holding FIX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bridge City Capital, LLC31,205$5.32M2.69%−5,982−16.1%Reduced
Russell Investments Group, Ltd.31,388$5.39M0.01%+7,820+33.2%Added
Great West Life Assurance Co31,917$5.44M0.01%−507−1.6%Reduced
AQR Capital Management LLC32,520$5.54M0.01%+2,224+7.3%Added
Thrivent Financial for Lutherans32,722$5.58M0.01%−1,495−4.4%Reduced
Neuberger Berman Group LLC34,602$5.90M0.01%+30,580+760.3%Added
Nicholas Company, Inc.34,741$5.92M0.12%−8,934−20.5%Reduced
SEI Investments Co35,933$6.12M0.01%+12,479+53.2%Added
Castleark Management LLC36,140$6.16M0.31%−400−1.1%Reduced
Royal London Asset Management Ltd36,972$6.30M0.02%+8,500+29.9%Added
Kennedy Capital Management, Inc.38,642$6.58M0.16%+1,364+3.7%Added
California State Teachers Retirement System39,446$6.72M0.01%−3,784−8.8%Reduced
Los Angeles Capital Management LLC40,639$6.93M0.03%+477+1.2%Added
AXA S.A.40,800$6.95M0.02%+4,700+13.0%Added
BNP Paribas Arbitrage, SA42,774$7.29M0.02%+25,685+150.3%Added
American Century Companies Inc43,508$7.41M0.01%+18,933+77.0%Added
Man Group plc–$7.50M0.02%––
Public Sector Pension Investment Board44,211$7.53M0.06%−19,278−30.4%Reduced
UBS Asset Management Americas Inc44,232$7.54M0.00%+11,890+36.8%Added
Prudential Financial Inc44,809$7.64M0.01%−4,859−9.8%Reduced
Royce & Associates LP46,260$7.88M0.08%−4,672−9.2%Reduced
Premier Fund Managers Ltd45,632$8.05M0.38%−3,625−7.4%Reduced
Credit Suisse AG47,277$8.06M0.01%+375+0.8%Added
Moran Wealth Management, LLC48,380$8.24M0.32%−1,326−2.7%Reduced
ProShare Advisors LLC48,457$8.26M0.03%−8,400−14.8%Reduced
RE Advisers Corp48,588$8.28M0.23%−7,100−12.7%Reduced
Stansberry Asset Management, LLC50,301$8.57M1.50%+4,311+9.4%Added
EULAV Asset Management53,300$9.08M0.33%+17,700+49.7%Added
Royal Bank of Canada53,448$9.11M0.00%−9,104−14.6%Reduced
Bank of America Corp56,039$9.55M0.00%−3,754−6.3%Reduced
Bessemer Group Inc57,696$9.83M0.02%−8,793−13.2%Reduced
California Public Employees Retirement System59,275$10.1M0.01%+19,741+49.9%Added
Raymond James & Associates60,954$10.4M0.01%−3,616−5.6%Reduced
New York State Common Retirement Fund62,233$10.6M0.02%+6,190+11.0%Added
Lisanti Capital Growth, LLC63,565$10.8M1.71%+4,675+7.9%Added
Congress Wealth Management LLC64,569$11.0M0.23%+3,504+5.7%Added
Millennium Management LLC64,743$11.0M0.01%−129,697−66.7%Reduced
Mountain Pacific Investment Advisers Inc64,946$11.1M0.77%+23,899+58.2%Added
Mitsubishi UFJ Trust & Banking Corp68,830$11.7M0.03%+68,830New
Wells Fargo & Company75,650$12.9M0.00%−5,453−6.7%Reduced
Segall Bryant & Hamill, LLC76,627$13.1M0.15%−447−0.6%Reduced
Swiss National Bank78,700$13.4M0.01%+900+1.2%Added
Redwood Investments, LLC80,985$13.8M1.87%+80,985New
Allspring Global Investments Holdings, LLC83,374$14.2M0.03%+41,527+99.2%Added
Lazard Asset Management LLC84,294$14.4M0.02%+35,912+74.2%Added
Truist Financial Corp84,776$14.4M0.02%−2,715−3.1%Reduced
RK Capital Management, LLC89,685$15.3M3.62%−40,140−30.9%Reduced
Ziegler Capital Management, LLC98,852$16.8M0.67%−774−0.8%Reduced
Rhumbline Advisers101,897$17.4M0.02%−1,431−1.4%Reduced
Storebrand Asset Management AS110,221$18.8M0.09%−18,506−14.4%Reduced
Legal & General Group Plc111,063$18.9M0.01%−2,152−1.9%Reduced
Victory Capital Management Inc115,562$19.7M0.02%−52,724−31.3%Reduced
Assenagon Asset Management S.A.119,172$20.3M0.07%−20,389−14.6%Reduced
Envestnet Asset Management Inc121,795$20.8M0.01%+29,747+32.3%Added
Swedbank AB125,000$21.3M0.04%+25,000+25.0%Added
Tributary Capital Management, LLC129,886$22.1M2.10%+1,756+1.4%Added
Nordea Investment Management AB125,459$22.1M0.03%−5,212−4.0%Reduced
Ameriprise Financial Inc133,014$22.7M0.01%−1,187−0.9%Reduced
Balyasny Asset Management LLC137,971$23.5M0.07%+40,841+42.0%Added
First Trust Advisors LP144,362$24.6M0.03%−1,915−1.3%Reduced
Panagora Asset Management Inc146,675$25.0M0.16%−1,037−0.7%Reduced
Putnam Investments LLC148,558$25.3M0.04%+5,268+3.7%Added
Goldman Sachs Group Inc154,953$26.4M0.01%−91,943−37.2%Reduced
Public Employees Retirement Association of Colorado160,384$27.3M0.14%−35,447−18.1%Reduced
Artemis Investment Management LLP176,276$30.0M0.42%+9,803+5.9%Added
Boston Trust Walden Corp200,692$34.2M0.29%+12,149+6.4%Added
Driehaus Capital Management LLC228,479$38.9M0.51%−27,456−10.7%Reduced
Janus Henderson Group PLC233,307$39.8M0.03%−33,668−12.6%Reduced
Congress Asset Management Co254,103$43.3M0.38%+29,556+13.2%Added
Systematic Financial Management LP267,049$45.5M1.47%−38,243−12.5%Reduced
Capital International Investors270,110$46.0M0.01%00.0%Unchanged
JPMorgan Chase & Co271,292$46.2M0.01%−50,326−15.6%Reduced
GFI Investment Counsel Ltd.274,513$46.8M7.14%+717+0.3%Added
Capital Research Global Investors298,581$50.9M0.01%00.0%Unchanged
Wellington Management Group LLP310,413$52.9M0.01%+37,785+13.9%Added
Westwood Holdings Group Inc.333,241$56.8M0.53%−50,050−13.1%Reduced
Lord, Abbett & Co. LLC337,386$57.5M0.21%+3,535+1.1%Added
Bank of New York Mellon Corp351,531$59.9M0.01%−7,110−2.0%Reduced
Principal Financial Group Inc354,286$60.4M0.04%−15,358−4.2%Reduced
Norges Bank370,191$63.1M0.01%−1,740−0.5%Reduced
Neumeier Poma Investment Counsel LLC385,241$65.6M6.41%−12,545−3.2%Reduced
Northern Trust Corp399,445$68.1M0.01%−241−0.1%Reduced
GW&K Investment Management, LLC404,189$68.9M0.69%−82,476−16.9%Reduced
Federated Hermes, Inc.425,840$72.6M0.19%+9,634+2.3%Added
Morgan Stanley447,887$76.3M0.01%+43,773+10.8%Added
Charles Schwab Investment Management Inc476,756$81.2M0.02%+112,185+30.8%Added
Hood River Capital Management LLC482,397$82.2M2.64%+9,608+2.0%Added
Price T Rowe Associates Inc489,009$83.3M0.01%−44,145−8.3%Reduced
Nuveen Asset Management, LLC549,549$93.6M0.03%−28,837−5.0%Reduced
FMR LLC570,778$97.3M0.01%+216,200+61.0%Added
Fuller & Thaler Asset Management, Inc.643,895$109.7M0.63%−2,345−0.4%Reduced
Alliancebernstein L.P.712,188$121.4M0.05%−36,342−4.9%Reduced
Geode Capital Management, LLC773,744$131.9M0.02%+88,441+12.9%Added
Dimensional Fund Advisors LP1,017,762$173.5M0.06%−37,562−3.6%Reduced
Baillie Gifford & Co1,187,920$202.4M0.18%+1,187,920New
State Street Corp1,266,725$215.9M0.01%+25,390+2.0%Added
Invesco Ltd.1,317,146$224.5M0.06%+50,001+3.9%Added
Capital World Investors1,765,601$300.9M0.06%−81,897−4.4%Reduced
Vanguard Group Inc4,277,669$729.0M0.02%+9,766+0.2%Added
BlackRock Inc.6,099,391$1.04B0.03%−120,976−1.9%Reduced