FIX Insider Trading

Insider Ownership Percentage: 1.59%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $61,792,584.18

Comfort Systems USA Insider Trading History Chart

This chart shows the insider buying and selling history at Comfort Systems USA by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Comfort Systems USA Share Price & Price History

Current Price: $1,003.80
Price Change: Price Increase of +54.5 (5.74%)
As of 12/4/2025 04:59 PM ET

This chart shows the closing price history over time for FIX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Comfort Systems USA Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/1/2025William George, IIICFOSell4,370$958.88$4,190,305.6039,824View SEC Filing Icon  
11/24/2025Brian E. LaneInsiderSell7,158$947.98$6,785,640.84180,888View SEC Filing Icon  
10/31/2025Darcy AndersonDirectorSell4,000$958.72$3,834,880.0022,535View SEC Filing Icon  
10/29/2025Franklin MyersDirectorSell5,000$1,006.68$5,033,400.0082,901View SEC Filing Icon  
10/29/2025Herman E. BullsDirectorSell2,000$1,013.62$2,027,240.0030,574View SEC Filing Icon  
10/29/2025Pablo G. MercadoDirectorSell2,500$1,005.41$2,513,525.004,000View SEC Filing Icon  
9/10/2025William J. SandbrookDirectorSell800$733.56$586,848.0011,666View SEC Filing Icon  
9/9/2025William J. SandbrookDirectorSell700$708.55$495,985.0012,466View SEC Filing Icon  
8/22/2025Pablo G. MercadoDirectorSell1,078$695.88$750,158.646,500View SEC Filing Icon  
8/12/2025Julie ShaeffCAOSell1,369$704.50$964,460.5016,023View SEC Filing Icon  
8/8/2025William George, IIICFOSell8,436$692.60$5,842,773.6047,473View SEC Filing Icon  
8/7/2025Brian E. LaneInsiderSell10,000$691.74$6,917,400.00188,046View SEC Filing Icon  
7/31/2025Trent T. McKennaCOOSell4,400$716.63$3,153,172.0021,639View SEC Filing Icon  
6/6/2025Darcy AndersonDirectorSell8,000$506.82$4,054,560.0026,535View SEC Filing Icon  
5/13/2025William George, IIICFOSell12,500$470.11$5,876,375.0047,473View SEC Filing Icon  
5/7/2025Brian E. LaneInsiderSell15,000$431.66$6,474,900.00198,046View SEC Filing Icon  
5/7/2025Darcy AndersonDirectorSell3,000$431.66$1,294,980.0034,193View SEC Filing Icon  
5/5/2025Pablo G. MercadoDirectorSell1,800$436.10$784,980.007,236View SEC Filing Icon  
5/1/2025Vance W. TangDirectorSell500$422.00$211,000.004,998View SEC Filing Icon  
11/22/2024Trent T. McKennaCOOSell4,000$484.81$1,939,240.0023,990View SEC Filing Icon  
11/13/2024Brian E. LaneInsiderSell15,000$448.88$6,733,200.00204,205View SEC Filing Icon  
11/5/2024Pablo G. MercadoDirectorSell2,500$409.46$1,023,650.009,036View SEC Filing Icon  
10/30/2024Franklin MyersChairmanSell12,000$390.18$4,682,160.00106,498View SEC Filing Icon  
10/28/2024Vance W. TangDirectorSell2,700$390.00$1,053,000.005,498View SEC Filing Icon  
8/27/2024Darcy AndersonDirectorSell3,546$336.19$1,192,129.7437,193View SEC Filing Icon  
8/20/2024William George, IIICFOSell5,845$332.16$1,941,475.2055,099View SEC Filing Icon  
8/14/2024Brian E. LaneInsiderSell15,000$329.55$4,943,250.00219,205View SEC Filing Icon  
6/5/2024Vance W. TangDirectorSell3,473$310.00$1,076,630.008,198View SEC Filing Icon  
5/15/2024Vance W. TangDirectorSell988$343.00$338,884.0011,173View SEC Filing Icon  
5/7/2024Darcy AndersonDirectorSell3,500$344.90$1,207,150.0040,241View SEC Filing Icon  
3/11/2024Constance Ellen SkidmoreDirectorSell3,000$299.96$899,880.0013,787View SEC Filing Icon  
3/5/2024Darcy AndersonDirectorSell3,800$316.60$1,203,080.0043,741View SEC Filing Icon  
3/1/2024Brian E. LaneInsiderSell16,000$312.13$4,994,080.00227,926View SEC Filing Icon  
2/26/2024Pablo G. MercadoDirectorSell1,200$283.17$339,804.0011,038View SEC Filing Icon  
2/26/2024Trent T. McKennaCOOSell14,185$278.55$3,951,231.7522,644View SEC Filing Icon  
2/26/2024William George, IIICFOSell8,429$278.95$2,351,269.5562,471View SEC Filing Icon  
12/11/2023Constance Ellen SkidmoreDirectorSell3,000$193.40$580,200.0016,787View SEC Filing Icon  
12/6/2023Rhoman J. HardyDirectorBuy784$191.32$149,994.881,287View SEC Filing Icon  
11/9/2023William J. SandbrookDirectorSell5,000$185.19$925,950.0013,026View SEC Filing Icon  
10/31/2023Vance W. TangDirectorSell2,288$182.50$417,560.0022,770View SEC Filing Icon  
9/11/2023Constance Ellen SkidmoreDirectorSell3,000$187.66$562,980.0019,787View SEC Filing Icon  
9/7/2023Laura Finley HowellSVPSell1,350$187.59$253,246.506,965View SEC Filing Icon  
8/31/2023Franklin MyersChairmanSell30,000$184.85$5,545,500.00120,065View SEC Filing Icon  
8/28/2023Brian E. LaneInsiderSell6,400$181.29$1,160,256.00277,526View SEC Filing Icon  
8/8/2023Vance W. TangDirectorSell1,844$182.00$335,608.0025,058View SEC Filing Icon  
6/12/2023Constance Ellen SkidmoreDirectorSell3,000$159.94$479,820.0022,787View SEC Filing Icon  
3/10/2023Constance Ellen SkidmoreDirectorSell3,000$143.03$429,090.0024,722View SEC Filing Icon  
2/27/2023Vance W. TangDirectorSell2,500$147.00$367,500.0026,297View SEC Filing Icon  
12/12/2022Constance Ellen SkidmoreDirectorSell3,000$120.27$360,810.0027,722View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Comfort Systems USA (NYSE:FIX)

96.51% of Comfort Systems USA stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at FIX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Comfort Systems USA Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/3/2025Value Aligned Research Advisors LLC54,715$45.15M0.6%N/A0.155%Search for SEC Filing on Google Icon
12/2/2025Allworth Financial LP3,540$2.92M0.0%-26.6%0.010%Search for SEC Filing on Google Icon
12/2/2025IFP Advisors Inc627$0.52M0.0%+32.0%0.002%Search for SEC Filing on Google Icon
12/2/2025Swiss Life Asset Management Ltd1,633$1.35M0.0%+78.1%0.005%Search for SEC Filing on Google Icon
12/1/2025Investment Research Partners LLC205$0.17M0.1%N/A0.001%Search for SEC Filing on Google Icon
12/1/2025Cambria Investment Management L.P.1,006$0.83M0.0%+32.5%0.003%Search for SEC Filing on Google Icon
11/24/2025CIBC Private Wealth Group LLC9,131$7.53M0.0%-21.3%0.026%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.9,256$7.64M0.0%N/A0.026%Search for SEC Filing on Google Icon
11/21/2025Magnolia Wealth Management LLC450$0.37M0.2%N/A0.001%Search for SEC Filing on Google Icon
11/20/2025Centaurus Financial Inc.2,123$1.75M0.1%+0.9%0.006%Search for SEC Filing on Google Icon
11/20/2025First Affirmative Financial Network271$0.22M0.1%N/A0.001%Search for SEC Filing on Google Icon
11/20/2025Caerus Investment Advisors LLC929$0.77M0.3%N/A0.003%Search for SEC Filing on Google Icon
11/19/2025Sunbelt Securities Inc.1,571$1.30M0.1%+75.5%0.004%Search for SEC Filing on Google Icon
11/19/2025Captrust Financial Advisors6,401$5.28M0.0%+17.8%0.018%Search for SEC Filing on Google Icon
11/19/2025Coldstream Capital Management Inc.1,981$1.64M0.0%+1.9%0.006%Search for SEC Filing on Google Icon
11/19/2025Danske Bank A S24,535$20.25M0.1%N/A0.070%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC3,298$2.72M0.0%+4.3%0.009%Search for SEC Filing on Google Icon
11/18/2025Dorsey Wright & Associates7,946$6.56M1.5%N/A0.023%Search for SEC Filing on Google Icon
11/17/2025Hancock Whitney Corp2,810$2.32M0.0%+0.7%0.008%Search for SEC Filing on Google Icon
11/17/2025Abel Hall LLC477$0.39M0.2%-3.2%0.001%Search for SEC Filing on Google Icon
11/17/2025OmniStar Financial Group Inc.445$0.37M0.2%-25.5%0.001%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.272,441$224.81M0.9%-9.4%0.772%Search for SEC Filing on Google Icon
11/17/2025Kestra Private Wealth Services LLC1,329$1.10M0.0%-19.6%0.004%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC4,266$3.52M0.0%+52.2%0.012%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co26,739$21.44M0.0%+1.4%0.076%Search for SEC Filing on Google Icon
11/17/2025Blue Chip Partners LLC300$0.25M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025PDT Partners LLC5,518$4.55M0.3%-45.5%0.016%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP1,925$1.59M0.0%+91.7%0.005%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC301$0.25M0.1%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Proficio Capital Partners LLC361$0.30M0.0%-68.0%0.001%Search for SEC Filing on Google Icon
11/17/2025Optimist Retirement Group LLC454$0.38M0.2%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Zurich Insurance Group Ltd FI4,934$4.07M0.0%-44.3%0.014%Search for SEC Filing on Google Icon
11/17/2025United Capital Financial Advisors LLC700$0.58M0.0%+32.3%0.002%Search for SEC Filing on Google Icon
11/17/2025Utah Retirement Systems5,741$4.74M0.0%+212.2%0.016%Search for SEC Filing on Google Icon
11/17/2025Virtus Advisers LLC1,964$1.62M1.1%+598.9%0.006%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP571$0.47M0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP64$53K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC11,848$9.78M0.0%+152.9%0.034%Search for SEC Filing on Google Icon
11/17/2025Tidal Investments LLC9,753$8.05M0.0%+14.3%0.028%Search for SEC Filing on Google Icon
11/17/2025State Street Corp1,053,556$869.37M0.0%-1.9%2.987%Search for SEC Filing on Google Icon
11/17/2025Susquehanna Fundamental Investments LLC1,018$0.84M0.0%-98.9%0.003%Search for SEC Filing on Google Icon
11/17/2025Scientech Research LLC891$0.74M0.3%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025Saturna Capital Corp2,246$1.85M0.0%-8.4%0.006%Search for SEC Filing on Google Icon
11/17/2025SIR Capital Management L.P.4,400$3.63M0.3%N/A0.012%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management HK LTD7,472$6.17M0.9%+636.9%0.021%Search for SEC Filing on Google Icon
11/17/2025Quantessence Capital LLC4,863$4.01M1.3%N/A0.014%Search for SEC Filing on Google Icon
11/17/2025Quarry LP359$0.30M0.1%+14.3%0.001%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd216,715$178.83M0.2%+116.4%0.614%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC1,098$0.91M0.1%-25.5%0.003%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio14,879$12.28M0.0%+8.4%0.042%Search for SEC Filing on Google Icon
11/17/2025Nomura Holdings Inc.4,975$4.11M0.0%+372.5%0.014%Search for SEC Filing on Google Icon
11/17/2025Northwestern Mutual Wealth Management Co.814$0.67M0.0%+4.0%0.002%Search for SEC Filing on Google Icon
11/17/2025Northern Trust Corp309,323$255.25M0.0%-7.9%0.877%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC17,671$14.58M0.0%+33.6%0.050%Search for SEC Filing on Google Icon
11/17/2025Measured Wealth Private Client Group LLC238$0.20M0.1%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Moors & Cabot Inc.2,212$1.83M0.1%+10.4%0.006%Search for SEC Filing on Google Icon
11/17/2025National Bank of Canada FI919$0.76M0.0%-22.7%0.003%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV6,877$5.68M0.0%+116.3%0.019%Search for SEC Filing on Google Icon
11/17/2025Mindset Wealth Management LLC500$0.41M0.1%-4.8%0.001%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.214$0.18M0.0%-18.9%0.001%Search for SEC Filing on Google Icon
11/17/2025Knollwood Investment Advisory LLC880$0.73M0.1%-2.2%0.002%Search for SEC Filing on Google Icon
11/17/2025L2 Asset Management LLC1,722$1.42M0.2%-19.3%0.005%Search for SEC Filing on Google Icon
11/17/2025LRT Capital Management LLC1,789$1.48M1.0%-72.2%0.005%Search for SEC Filing on Google Icon
11/17/2025Laird Norton Wetherby Wealth Management LLC280$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Larson Financial Group LLC142$0.12M0.0%+446.2%0.000%Search for SEC Filing on Google Icon
11/17/2025Lido Advisors LLC452$0.37M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Integrated Wealth Concepts LLC4,445$3.67M0.0%+22.3%0.013%Search for SEC Filing on Google Icon
11/17/2025Hilltop Holdings Inc.2,809$2.32M0.1%+1.8%0.008%Search for SEC Filing on Google Icon
11/17/2025Gotham Asset Management LLC38,094$31.43M0.1%+26.1%0.108%Search for SEC Filing on Google Icon
11/17/2025Granahan Investment Management LLC92,772$76.55M3.1%+35.2%0.263%Search for SEC Filing on Google Icon
11/17/2025Fred Alger Management LLC34,106$28.14M0.1%-19.4%0.097%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth5,331$4.38M0.0%+48.5%0.015%Search for SEC Filing on Google Icon
11/17/2025Elevation Point Wealth Partners LLC367$0.30M0.0%+186.7%0.001%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP48,062$39.66M0.2%+190.2%0.136%Search for SEC Filing on Google Icon
11/17/2025Cannell & Spears LLC353$0.29M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Centiva Capital LP1,013$0.84M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025Clark Capital Management Group Inc.253$0.21M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Ausdal Financial Partners Inc.374$0.31M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Aventail Capital Group LP4,114$3.40M0.2%N/A0.012%Search for SEC Filing on Google Icon
11/17/2025Bridgefront Capital LLC692$0.57M0.2%+30.6%0.002%Search for SEC Filing on Google Icon
11/17/2025California Public Employees Retirement System67,733$55.89M0.0%+7.7%0.192%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE133,121$109.85M0.0%-26.5%0.377%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC281$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC43,582$35.96M0.6%+17.3%0.124%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.211,153$174.24M0.1%-22.2%0.599%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.144,262$119.04M0.0%-19.6%0.409%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC20,475$16.90M0.1%-74.9%0.058%Search for SEC Filing on Google Icon
11/14/2025Value Aligned Research Advisors LLC37,015$30.54M0.4%N/A0.105%Search for SEC Filing on Google Icon
11/14/2025Creative Planning21,514$17.75M0.0%+23.5%0.061%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC145,471$120.04M0.2%+10.8%0.412%Search for SEC Filing on Google Icon
11/14/2025SummitTX Capital L.P.7,577$6.25M0.3%N/A0.021%Search for SEC Filing on Google Icon
11/14/2025AQR Capital Management LLC835,560$678.48M0.4%+6.8%2.369%Search for SEC Filing on Google Icon
11/14/2025Zacks Investment Management13,011$10.74M0.1%-1.7%0.037%Search for SEC Filing on Google Icon
11/14/2025Credit Agricole S A28,873$23.83M0.1%N/A0.082%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.101,343$83.63M0.0%-7.3%0.287%Search for SEC Filing on Google Icon
11/14/20254D Advisors LLC5,000$4.13M2.2%-33.3%0.014%Search for SEC Filing on Google Icon
11/14/2025Amundi8,080$6.67M0.0%-71.4%0.023%Search for SEC Filing on Google Icon
11/14/2025Equitable Holdings Inc.594$0.49M0.0%+48.9%0.002%Search for SEC Filing on Google Icon
11/14/2025Caisse de depot et placement du Quebec120,933$99.79M0.2%-32.4%0.343%Search for SEC Filing on Google Icon
11/14/2025Freestone Grove Partners LP52,304$43.16M0.3%-49.4%0.148%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Comfort Systems USA logo
Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. It operates through two segments, Mechanical and Electrical. The company offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. It also engages in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of MEP systems in existing buildings. In addition, the company provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. It serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional MEP markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.
Read More on Comfort Systems USA

Today's Range

Now: $1,003.80
Low: $940.00
High: $1,006.60

50 Day Range

MA: $902.87
Low: $788.90
High: $1,009.15

52 Week Range

Now: $1,003.80
Low: $276.44
High: $1,020.26

Volume

518,260 shs

Average Volume

520,462 shs

Market Capitalization

$35.40 billion

P/E Ratio

42.50

Dividend Yield

0.25%

Beta

1.64

Who are the company insiders with the largest holdings of Comfort Systems USA?

Comfort Systems USA's top insider shareholders include:
  1. Brian E Lane (Insider)
  2. Franklin Myers (Chairman)
  3. Franklin Myers (Director)
  4. William George III (CFO)
  5. Darcy Anderson (Director)
  6. Herman E Bulls (Director)
  7. T Mckenna Trent (COO)
  8. Constance Ellen Skidmore (Director)
  9. Julie Shaeff (CAO)
  10. William J Sandbrook (Director)
  11. Vance W Tang (Director)
  12. Pablo G Mercado (Director)
  13. Rhoman J Hardy (Director)
Learn More about top insider investors at Comfort Systems USA.

Who are the major institutional investors of Comfort Systems USA?

Comfort Systems USA's top institutional investors include:
  1. Vanguard Group Inc. — 10.45%
  2. Capital World Investors — 5.10%
  3. Invesco Ltd. — 3.02%
  4. State Street Corp — 2.99%
  5. AQR Capital Management LLC — 2.37%
  6. Westfield Capital Management Co. LP — 2.36%
Learn More about top institutional investors of Comfort Systems USA stock.

Which major investors are selling Comfort Systems USA stock?

Within the previous quarter, FIX stock was sold by these institutional investors:
  1. Capital World Investors
  2. Symphony Financial Ltd. Co.
  3. Westfield Capital Management Co. LP
  4. Susquehanna Fundamental Investments LLC
  5. Vanguard Group Inc.
  6. Voya Investment Management LLC
  7. Mountain Pacific Investment Advisers LLC
  8. Capital International Investors
During the previous year, company insiders that have sold Comfort Systems USA company stock include:
  1. Brian E Lane (Insider)
  2. Franklin Myers (Chairman)
  3. Franklin Myers (Director)
  4. William George III (CFO)
  5. Darcy Anderson (Director)
  6. Herman E Bulls (Director)
  7. T Mckenna Trent (COO)
  8. Constance Ellen Skidmore (Director)
  9. Julie Shaeff (CAO)
  10. William J Sandbrook (Director)
Learn More investors selling Comfort Systems USA stock.

Which major investors are buying Comfort Systems USA stock?

Within the previous quarter, FIX stock was acquired by institutional investors including:
  1. JPMorgan Chase & Co.
  2. AMF Tjanstepension AB
  3. First Trust Advisors LP
  4. Qube Research & Technologies Ltd
  5. Invesco Ltd.
  6. Value Aligned Research Advisors LLC
  7. AQR Capital Management LLC
  8. Fiera Capital Corp