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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, Q4 2025

Institutional positions in Comfort Systems USA Inc as of Dec 31, 2025. 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
1,043
+178 vs. Q3 2025
Shares held
33.3M
+67.2K (+0.2%) vs. Q3 2025
Total value
$31.1B
+$3.72B (+13.6%) vs. Q3 2025
New holders
260
353 more added
Sold out
82
338 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 1,043 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 heldQ4 2025: $31.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q3 2025.

Institutions holding FIX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
American Trust395$368.6K0.03%00.0%Unchanged
Gateway Investment Advisers LLC395$368.6K0.00%+395New
Stonebridge Financial Group, LLC395$368.7K0.32%+395New
NewEdge Wealth, LLC397$370.9K0.00%+169+74.1%Added
Gen-Wealth Partners Inc410$382.6K0.12%+4+1.0%Added
Personal Cfo Solutions, LLC410$382.7K0.06%−163−28.4%Reduced
Walker Asset Management, LLC410$382.9K0.21%00.0%Unchanged
SkyOak Wealth, LLC412$384.5K0.07%−95−18.7%Reduced
Pinebridge Investments LLC416$388.2K0.00%+416New
Journey Retirement Planning & Investment Management LLC417$389.3K0.08%+417New
Dynasty Wealth Management, LLC421$392.6K0.00%+17+4.2%Added
Legacy Financial Advisors, Inc.421$392.9K0.05%+421New
Kovitz Investment Group Partners, LLC421$393.0K0.01%−16,353−97.5%Reduced
Prime Capital Investment Advisors, LLC421$393.0K0.00%−59−12.3%Reduced
True Wealth Design, LLC422$393.8K0.12%−51−10.8%Reduced
Concurrent Investment Advisors, LLC426$397.4K0.00%+426New
Claret Asset Management Corp427$399.0K0.05%−1−0.2%Reduced
Savvy Advisors, Inc.429$400.4K0.01%+94+28.1%Added
Financial Engines Advisors L.L.C.431$402.2K0.00%+7+1.7%Added
World Equity Group, Inc.432$403.2K0.11%+66+18.0%Added
Northbridge Financial Group, LLC434$405.0K0.18%+434New
DRW Securities, LLC435$406.0K0.03%−437−50.1%Reduced
Equitable Holdings, Inc.437$407.8K0.00%−157−26.4%Reduced
Modern Wealth Management, LLC442$412.7K0.01%+8+1.8%Added
RSM US Wealth Management LLC442$418.1K0.01%+102+30.0%Added
Optimize Financial Inc451$420.9K0.21%+4+0.9%Added
Optimist Retirement Group LLC454$423.7K0.19%00.0%Unchanged
PharVision Advisers, LLC457$426.5K0.22%+156+51.8%Added
Flow Traders U.S. LLC458$427.0K0.01%+458New
Advisor OS, LLC458$427.6K0.03%−91−16.6%Reduced
D'Orazio & Associates, Inc.460$429.1K0.05%−3−0.6%Reduced
Ausdal Financial Partners, Inc.462$431.1K0.02%+88+23.5%Added
GTS Securities LLC467$435.8K0.01%+467New
Roundview Capital LLC474$442.4K0.03%+2+0.4%Added
Cyndeo Wealth Partners, LLC474$442.7K0.02%+157+49.5%Added
Galvin, Gaustad & Stein, LLC476$443.8K0.03%+217+83.8%Added
Inceptionr LLC479$447.0K0.12%−166−25.7%Reduced
Laird Norton Trust Company, LLC480$448.0K0.01%+480New
Jag Capital Management, LLC481$448.9K0.05%+95+24.6%Added
Connecticut Wealth Management, LLC488$455.4K0.02%−102−17.3%Reduced
Tema ETFs LLC499$465.7K0.04%+499New
Mindset Wealth Management, LLC500$466.6K0.12%00.0%Unchanged
Siemens Fonds Invest GmbH493$466.8K0.02%+493New
Forum Financial Management, LP504$470.4K0.01%−87−14.7%Reduced
Fi3 FINANCIAL ADVISORS, LLC504$470.4K0.14%+64+14.5%Added
Snowden Capital Advisors LLC506$472.2K0.01%−33−6.1%Reduced
Loomis Sayles & Co L P507$473.2K0.00%+412+433.7%Added
Boothbay Fund Management, LLC514$479.7K0.01%+233+82.9%Added
Citizens Financial Group Inc514$479.8K0.01%+147+40.1%Added
Fox Run Management, L.L.C.516$481.6K0.07%+516New
TD Private Client Wealth LLC517$482.5K0.01%−88−14.5%Reduced
AlphaGrep UK Ltd517$482.5K0.16%+517New
Essex Financial Services, Inc.520$485.3K0.03%+109+26.5%Added
Caitlin John, LLC523$488.1K0.32%+523New
Ipswich Investment Management Co., Inc.523$488.1K0.11%+4+0.8%Added
Envestnet Portfolio Solutions, Inc.523$488.4K0.00%+18+3.6%Added
Meeder Advisory Services, Inc.527$491.9K0.02%+108+25.8%Added
Net Worth Advisory Group529$493.5K0.10%−9−1.7%Reduced
LVW Advisors, LLC529$493.7K0.05%−109−17.1%Reduced
Wall Street Financial Group, Inc.532$496.5K0.36%+532New
Symphony Financial, Ltd. Co.535$500.0K0.07%+178+49.9%Added
Counterpoint Mutual Funds LLC537$501.2K0.04%+537New
Aptus Capital Advisors, LLC539$503.0K0.00%+103+23.6%Added
Creative Financial Designs Inc539$503.4K0.03%−153−22.1%Reduced
Greenleaf Trust542$505.8K0.00%+23+4.4%Added
Brown Miller Wealth Management, LLC544$507.7K0.14%+18+3.4%Added
Axxcess Wealth Management, LLC544$507.7K0.01%+18+3.4%Added
Keebeck Wealth Management, LLC552$515.2K0.06%−41−6.9%Reduced
Westover Capital Advisors, LLC552$515.2K0.09%+26+4.9%Added
Motley Fool Asset Management LLC553$516.1K0.02%+553New
Davenport & Co LLC553$516.3K0.00%+75+15.7%Added
TCW Group Inc554$517.0K0.00%+554New
Northwest Wealth Management, LLC555$518.0K0.08%+187+50.8%Added
State of Wyoming564$526.4K0.06%−287−33.7%Reduced
Pinnacle Associates Ltd564$526.4K0.01%+564New
Pinnacle Wealth Management Advisory Group, LLC564$526.4K0.04%+564New
NLB Skladi, upravljanje premozenja, d.o.o.565$527.3K0.02%+565New
Parallel Advisors, LLC565$527.5K0.01%+23+4.2%Added
Banque Transatlantique SA566$528.7K0.01%+566New
Principal Securities, Inc.568$530.1K0.01%−258−31.2%Reduced
Knightsbridge Asset Management, LLC569$531.0K0.09%+296+108.4%Added
O'Neil Global Advisors, Inc.570$532.0K0.18%−483−45.9%Reduced
Applied Finance Capital Management, LLC571$532.9K0.04%−180−24.0%Reduced
Ronald Blue Trust, Inc.574$535.7K0.01%−81−12.4%Reduced
Armis Advisers, LLC397$538.6K0.06%+45+12.8%Added
Polymer Capital Management (US) LLC579$540.4K0.07%+579New
Cresset Asset Management, LLC582$543.3K0.00%+43+8.0%Added
GeoWealth Management, LLC587$547.9K0.02%+587New
Signaturefd, LLC590$550.6K0.01%+52+9.7%Added
SBI Securities Co., Ltd.592$552.5K0.01%+7+1.2%Added
Inscription Capital, LLC593$553.8K0.06%+34+6.1%Added
Fulton Bank, N.A.595$555.3K0.02%+90+17.8%Added
AXS Investments LLC600$560.0K0.19%00.0%Unchanged
GenTrust, LLC604$563.7K0.02%+604New
Fiducient Advisors LLC610$569.3K0.07%+610New
Savant Capital, LLC616$574.9K0.00%+129+26.5%Added
Spirepoint Private Client, LLC616$574.9K0.05%+21+3.5%Added
Wedmont Private Capital558$577.7K0.02%+61+12.3%Added
Beese Fulmer Investment Management, Inc.620$578.6K0.04%+620New
F/M Investments LLC629$587.0K0.02%−155−19.8%Reduced