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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 2024

Institutional positions in Comfort Systems USA Inc as of Dec 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
665
+84 vs. Q3 2024
Shares held
34.0M
+648.4K (+1.9%) vs. Q3 2024
Total value
$14.4B
+$1.39B (+10.7%) vs. Q3 2024
New holders
138
222 more added
Sold out
54
236 more reduced

10 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 665 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 2024: $14.4B
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 2024

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q3 2024.

Institutions holding FIX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Benjamin Edwards Inc1,282$544.1K0.01%+98+8.3%Added
Caxton Associates LP1,273$539.8K0.02%+1,273New
Equitable Holdings, Inc.1,271$539.0K0.01%+289+29.4%Added
Fifth Third Wealth Advisors LLC1,257$533.0K0.03%−13−1.0%Reduced
First Hawaiian Bank1,225$519.5K0.02%−2,143−63.6%Reduced
Proficio Capital Partners LLC1,211$513.5K0.04%+1,211New
Commerce Bank1,211$513.5K0.00%−97−7.4%Reduced
Intrust Bank NA1,208$512.3K0.05%−165−12.0%Reduced
Diametric Capital, LP1,206$511.4K0.35%−543−31.0%Reduced
BOCHK Asset Management Ltd1,200$508.9K0.16%+1,200New
Picton Mahoney Asset Management1,195$507.0K0.02%+228+23.6%Added
SkyOak Wealth, LLC1,180$500.4K0.11%−97−7.6%Reduced
Portside Wealth Group, LLC1,165$494.2K0.08%−1,089−48.3%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1,164$493.5K0.01%+1,164New
Wiley Bros.-Aintree Capital, LLC1,073$480.8K0.01%+534+99.1%Added
Encompass More Asset Management1,127$477.9K0.16%+1,127New
Diversify Advisory Services, LLC1,066$468.9K0.03%−205−16.1%Reduced
Aster Capital Management (DIFC) Ltd1,105$468.6K0.18%+1,105New
CIBC Asset Management Inc1,097$465.2K0.00%+54+5.2%Added
Colony Group, LLC1,092$463.1K0.00%+504+85.7%Added
Merit Financial Group, LLC1,079$457.7K0.01%+1,079New
Simplex Trading, LLC1,080$457.0K0.01%−480−30.8%Reduced
Benchmark Investment Advisors LLC1,068$453.1K0.29%+1,068New
Flagship Harbor Advisors, LLC1,065$451.8K0.02%+413+63.3%Added
Amundi992$446.7K0.00%−60−5.7%Reduced
Scotia Capital Inc.1,052$446.1K0.00%−24−2.2%Reduced
XTX Topco Ltd1,049$444.8K0.04%−251−19.3%Reduced
Ibex Wealth Advisors1,044$442.8K0.05%+1,044New
Alps Advisors Inc1,030$436.8K0.00%00.0%Unchanged
Deltec Asset Management LLC1,000$424.1K0.08%+1,000New
Principal Securities, Inc.994$421.5K0.01%−223−18.3%Reduced
Sound View Wealth Advisors Group, LLC994$421.5K0.03%+60+6.4%Added
Thompson Davis & Co., Inc.990$419.9K0.27%+95+10.6%Added
Exchange Traded Concepts, LLC990$419.8K0.01%−5,535−84.8%Reduced
Sherbrooke Park Advisers LLC990$419.8K0.13%+990New
Umb Bank N A981$416.0K0.01%+45+4.8%Added
TD Private Client Wealth LLC980$415.6K0.01%−107−9.8%Reduced
Precision Wealth Strategies, LLC972$412.2K0.32%+972New
Sawgrass Asset Management LLC968$410.5K0.05%−418−30.2%Reduced
Icon Wealth Advisors, LLC953$404.1K0.03%+72+8.2%Added
Anb Bank950$402.9K0.18%+950New
National Bank of Canada937$397.4K0.00%+786+520.5%Added
Moody Aldrich Partners LLC928$393.5K0.07%−2−0.2%Reduced
Evoke Wealth, LLC919$389.7K0.01%+12+1.3%Added
Lifestyle Asset Management, Inc.918$389.3K0.21%−94−9.3%Reduced
Spire Wealth Management915$387.8K0.01%+101+12.4%Added
L2 Asset Management, LLC913$387.3K0.08%−35−3.7%Reduced
Sunbelt Securities, Inc.895$384.2K0.03%+466+108.6%Added
Householder Group Estate & Retirement Specialist, LLC907$384.0K0.29%+125+16.0%Added
Knollwood Investment Advisory, LLC900$381.7K0.04%00.0%Unchanged
Syon Capital LLC898$380.8K0.03%−33−3.5%Reduced
Armis Advisers, LLC898$380.8K0.05%+898New
Wellington Shields & Co., LLC896$380.0K0.12%+150+20.1%Added
Impact Partnership Wealth, LLC893$378.7K0.08%−7−0.8%Reduced
Profund Advisors LLC880$373.2K0.01%−145−14.1%Reduced
Applied Finance Capital Management, LLC876$371.5K0.02%00.0%Unchanged
Mercer Global Advisors Inc875$371.1K0.00%+281+47.3%Added
Boston Trust Walden Corp875$371.1K0.00%+254+40.9%Added
Meiji Yasuda Asset Management Co Ltd.866$367.2K0.01%−9−1.0%Reduced
Farther Finance Advisors, LLC863$366.0K0.01%−263−23.4%Reduced
Blueshift Asset Management, LLC863$366.0K0.13%−295−25.5%Reduced
Gallacher Capital Management LLC855$362.6K0.18%+276+47.7%Added
Kingswood Wealth Advisors, LLC848$359.6K0.03%+848New
Cresset Asset Management, LLC847$359.4K0.00%−1,010−54.4%Reduced
Royce & Associates LP845$358.3K0.00%−5,577−86.8%Reduced
NewEdge Wealth, LLC840$356.4K0.01%+840New
Forum Financial Management, LP831$352.4K0.01%+1+0.1%Added
Pinnacle Financial Partners Inc816$346.0K0.01%00.0%Unchanged
City Center Advisors, LLC811$343.9K0.39%−302−27.1%Reduced
Rafferty Asset Management, LLC810$343.5K0.00%−10−1.2%Reduced
Maven Securities LTD800$339.2K0.05%+800New
Verdence Capital Advisors LLC799$338.9K0.03%−31−3.7%Reduced
IHT Wealth Management, LLC798$338.5K0.01%−50−5.9%Reduced
Plato Investment Management Ltd789$335.8K0.02%+789New
Cyndeo Wealth Partners, LLC790$335.0K0.02%00.0%Unchanged
Dakota Wealth Management788$334.2K0.01%+29+3.8%Added
Brown Advisory Inc788$334.2K0.00%00.0%Unchanged
PharVision Advisers, LLC786$333.3K0.28%+786New
CAPROCK Group, Inc.780$330.8K0.01%+9+1.2%Added
We Are One Seven, LLC780$330.8K0.01%−54−6.5%Reduced
CIBC Private Wealth Group, LLC732$329.4K0.00%−8−1.1%Reduced
Highland Capital Management, LLC757$321.0K0.02%+50+7.1%Added
Ronald Blue Trust, Inc.752$318.9K0.00%−45−5.6%Reduced
Boothbay Fund Management, LLC749$317.6K0.01%+749New
Callan Family Office, LLC746$316.3K0.02%+746New
Moors & Cabot, Inc.738$313.0K0.01%+738New
Apollon Wealth Management, LLC736$312.1K0.01%−943−56.2%Reduced
Dorsey & Whitney Trust CO LLC713$302.4K0.02%00.0%Unchanged
Edmond de Rothschild Holding S.A.700$296.8K0.01%+700New
Naviter Wealth, LLC700$296.8K0.04%+700New
Northstar Advisory Group, LLC693$293.9K0.15%−758−52.2%Reduced
Capstone Investment Advisors, LLC688$291.8K0.00%+688New
HB Wealth Management, LLC688$291.8K0.00%+688New
Gen-Wealth Partners Inc667$282.8K0.12%00.0%Unchanged
Shay Capital LLC658$279.0K0.07%+658New
Prelude Capital Management, LLC652$276.5K0.02%−148−18.5%Reduced
Castleark Management LLC650$275.6K0.01%00.0%Unchanged
Optimize Financial Inc650$275.6K0.21%+650New
GAMMA Investing LLC641$271.8K0.02%+79+14.1%Added
Everence Capital Management Inc640$271.0K0.02%+640New