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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.

Q4 2025 vs. Q3 2025

How the institutions holding Comfort Systems USA Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of FIX: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders888231,043+178
Shares33.3M96.4K33.3M+67.2K (+0.2%)
Value$27.5B$79.5M$31.1B+$3.72B (+13.6%)

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (260)

Institutions that held Comfort Systems USA Inc at the end of Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 260 by value.

Institutions new to FIX in Q4 2025
InstitutionSharesValue% of portfolio
Norges Bank503,173$469.6M0.05%
Allspring Global Investments Holdings, LLC65,366$65.6M0.11%
Temasek Holdings (Private) Ltd52,557$49.1M0.16%
National Pension Service47,044$43.9M0.03%
Nomura Asset Management International Inc.45,060$42.1M0.06%
Korea Investment CORP26,156$24.4M0.05%
Polar Capital Holdings Plc25,225$23.5M0.11%
Adage Capital Partners GP, L.L.C.24,800$23.1M0.04%
Lighthouse Investment Partners, LLC21,998$20.5M0.68%
Jain Global LLC21,911$20.4M0.20%
PFA Pension, Forsikringsaktieselskab19,594$18.6M0.05%
Chevy Chase Trust Holdings, Inc.17,845$16.7M0.04%
Swedbank AB15,672$14.6M0.01%
Mediolanum International Funds Ltd14,212$13.5M0.13%
Sumitomo Mitsui DS Asset Management Company, Ltd13,800$12.9M0.10%
FIL Ltd13,726$12.8M0.01%
AustralianSuper Pty Ltd12,779$11.9M0.06%
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund11,680$10.9M0.09%
Resona Asset Management Co.,Ltd.10,738$10.1M0.05%
PensionDanmark Pensionsforsikringsaktieselskab10,116$9.44M0.09%
Quadrature Capital Ltd10,032$9.36M0.10%
Dai-Ichi Life Insurance Company, Ltd9,524$8.89M0.23%
Czech National Bank9,258$8.64M0.06%
Eventide Asset Management, LLC8,343$7.80M0.12%
Natixis8,106$7.57M0.03%
Balyasny Asset Management LLC7,969$7.44M0.01%
Forsta Ap-Fonden7,920$7.39M0.04%
Andra AP-fonden7,800$7.28M0.09%
Engle Capital Management, L.P.7,500$7.00M2.70%
Peregrine Asset Advisers, Inc.7,430$6.93M1.96%
Prudential PLC7,417$6.92M0.06%
Holocene Advisors, LP7,012$6.54M0.01%
Mawer Investment Management Ltd.6,497$6.06M0.03%
British Columbia Investment Management Corp6,260$5.84M0.03%
Soros Capital Management LLC6,260$5.84M1.53%
Aquatic Capital Management LLC6,035$5.63M0.16%
Woodline Partners LP6,006$5.61M0.02%
Avanza Fonder AB5,913$5.52M0.14%
Bank Julius Baer & Co. Ltd, Zurich5,548$5.25M0.01%
Vinva Investment Management Ltd5,347$5.06M0.06%
Taproot Management LP5,244$4.89M0.79%
CIBC World Markets Corp4,899$4.57M0.02%
Rakuten Investment Management, Inc.4,634$4.41M0.01%
Bank of Nova Scotia4,644$4.33M0.01%
Nissay Asset Management Corp4,635$4.33M0.02%
FORA Capital, LLC4,836$4.28M0.52%
Public Sector Pension Investment Board4,560$4.26M0.01%
ING Groep NV4,548$4.24M0.03%
Entropy Technologies, LP4,405$4.11M0.22%
NEOS Investment Management LLC4,143$3.87M0.02%
Eurizon Capital SGR S.p.A.3,962$3.70M0.01%
Quantbot Technologies LP3,939$3.68M0.12%
UniSuper Management Pty Ltd3,590$3.35M0.02%
Worldquant Millennium Advisors LLC3,056$2.85M0.01%
VMS Asset Management Limited3,010$2.81M1.08%
Bridgeway Capital Management, LLC2,930$2.73M0.06%
ASR Vermogensbeheer N.V.2,800$2.61M0.03%
Dedeker Financial LLC2,638$2.46M2.20%
Allstate Corp2,636$2.46M0.03%
Mizuho Securities USA LLC2,563$2.41M0.04%
Twinbeech Capital LP2,539$2.37M0.17%
Abn Amro Investment Solutions2,465$2.30M0.03%
Investment Management Corp of Ontario2,414$2.25M0.03%
CWM Advisors, LLC2,412$2.25M0.20%
Standard Life Aberdeen plc2,214$2.07M0.00%
Plato Investment Management Ltd2,180$2.04M0.13%
Evolve Private Wealth, LLC2,135$1.99M0.12%
Omers Administration Corp2,078$1.94M0.01%
Hartford Investment Management Co2,032$1.90M0.06%
Mariner Investment Group LLC2,000$1.87M0.11%
Sumitomo Life Insurance Co1,989$1.86M0.05%
AG2R la Mondiale Gestion D'Actifs1,853$1.73M0.08%
Fideuram Asset Management (Ireland) dac1,779$1.68M0.13%
Raiffeisen Bank International AG1,759$1.67M0.02%
Fedenia Advisers LLC1,759$1.64M0.63%
Dymon Asia Capital (Singapore) Pte. Ltd.1,717$1.60M0.36%
RMB Capital Management, LLC1,687$1.57M0.03%
Creek Drive Management Group LLC1,650$1.54M1.13%
Point Nemo Capital, LLC1,604$1.50M1.48%
Metis Global Partners, LLC1,541$1.44M0.03%
Gulf International Bank (UK) Ltd1,506$1.41M0.05%
Westco Advisory Services Inc1,480$1.38M0.85%
MUFG Securities EMEA plc1,443$1.35M0.02%
Keystone Investors Pte Ltd1,416$1.32M0.12%
Argos Wealth Advisors, LLC1,415$1.32M0.39%
Numerai GP LLC1,412$1.32M0.16%
Norinchukin Bank, The1,391$1.30M0.02%
Healthcare of Ontario Pension Plan Trust Fund1,391$1.30M0.00%
Bannerstone Capital Management, LLC1,385$1.29M1.24%
EP Wealth Advisors, LLC1,273$1.19M0.01%
Aster Capital Management (DIFC) Ltd1,260$1.18M0.52%
FirstWave Capital Management LLC1,225$1.14M0.68%
North Dakota State Investment Board1,224$1.14M0.04%
Aristotle Atlantic Partners, LLC1,210$1.13M0.05%
WBI Investments1,182$1.10M0.29%
Readystate Asset Management LP1,099$1.03M0.05%
Westerkirk Capital Inc.1,088$1.02M0.10%
Qsemble Capital Management, LP1,082$1.01M0.08%
XTX Topco Ltd1,081$1.01M0.03%
Algebris (UK) Ltd1,044$974.8K0.08%

Sold out (82)

Institutions that held Comfort Systems USA Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of FIX in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Bain Capital Public Equity Management II, LLC121,581$100.3M
Carmignac Gestion48,400$39.9M
Empowered Funds, LLC48,295$39.9M
Winslow Capital Management, LLC32,390$26.7M
Scalar Gauge Management, LLC16,000$13.2M
LMR Partners LLP11,635$9.60M
Premier Fund Managers Ltd11,120$8.92M
Silvercrest Asset Management Group LLC7,966$6.57M
SummitTX Capital, L.P.7,577$6.25M
Polymer Capital Management (HK) LTD7,472$6.17M
Concentric Capital Strategies, LP6,893$5.69M
Bain Capital Public Equity, LP6,536$5.39M
Zurich Insurance Group Ltd4,934$4.07M
Quantessence Capital LLC4,863$4.01M
Voloridge Investment Management, LLC3,706$3.06M
Brighton Jones LLC3,342$2.76M
Catalyst Funds Management Pty Ltd3,100$2.56M
ExodusPoint Capital Management, LP2,879$2.38M
HRT Financial LP2,695$2.22M
Skye Global Management LP2,520$2.08M
Applied Capital LLC2,396$1.98M
Nicholas Company, Inc.2,229$1.84M
Arrowpoint Investment Partners (Singapore) Pte. Ltd.2,137$1.76M
FNY Investment Advisers, LLC1,675$1.38M
Sanders Morris Harris LLC1,500$1.24M
United Capital Management of KS, Inc.1,500$1.24M
Lecap Asset Management Ltd1,439$1.19M
Requisite Capital Management, LLC1,411$1.16M
Encompass More Asset Management1,313$1.08M
Shelton Capital Management1,258$1.04M
Bayesian Capital Management, LP1,141$941.5K
NorthRock Partners, LLC1,061$875.5K
Susquehanna Fundamental Investments, LLC1,018$840.0K
Centiva Capital, LP1,013$835.9K
Cannon Global Investment Management, LLC1,000$825.2K
Locust Wood Capital Advisers, LLC990$816.9K
Hollencrest Capital Management891$735.2K
Scientech Research LLC891$735.2K
Knollwood Investment Advisory, LLC880$726.2K
Meiji Yasuda Asset Management Co Ltd.818$675.0K
CTC Alternative Strategies, Ltd.811$669.2K
Ossiam711$586.7K
Bridgefront Capital, LLC692$571.0K
Greenwood Capital Associates LLC687$566.9K
Pitcairn Co635$524.0K
Voleon Capital Management LP571$471.2K
Summit Wealth Group LLC2,721$463.7K
Aigen Investment Management, LP502$414.2K
City Center Advisors, LLC500$412.6K
Semanteon Capital Management, LP492$406.0K
CAPROCK Group, Inc.566$398.5K
Baader Bank INC759$387.2K
EntryPoint Capital, LLC460$379.6K
Sawgrass Asset Management LLC400$330.1K
Fiduciary Planning LLC400$330.1K
Cooper Financial Group373$307.8K
Mayflower Financial Advisors, LLC319$263.3K
Bey-Douglas LLC319$263.2K
Central Valley Advisors, LLC317$261.6K
Sage Rhino Capital LLC314$259.1K
GK Wealth Management LLC292$241.4K
OneAscent Financial Services LLC276$227.8K
Beirne Wealth Consulting Services, LLC270$222.8K
Stratos Wealth Partners, LTD.262$216.2K
Austin Private Wealth, LLC259$213.7K
Empire Financial Management Company, LLC250$206.3K
ISAM Funds (UK) Ltd211$174.1K
Mather Group, LLC.147$121.3K
Icon Wealth Advisors, LLC122$100.7K
Rise Advisors, LLC82$67.4K
Wexford Capital LP64$52.8K
Financial Life Planners50$41.5K
Eastern Bank37$30.5K
Optiver Holding B.V.28$23.1K
JPL Wealth Management, LLC18$14.9K
Main Street Group, LTD13$10.7K
Grey Fox Wealth Advisors, LLC12$9.90K
Cloud Capital Management, LLC8$6.00K
Colonial Trust Co6$4.95K
Tortoise Investment Management, LLC4$3.30K
Clayton Financial Group LLC3$2.48K
PEAK6 LLC2$1.74K

Not filed for Q4 2025 yet (23)

Institutions that held Comfort Systems USA Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding FIX in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
AXA Investment Managers S.A.52,718$43.5M
Cubist Systematic Strategies, LLC13,285$11.0M
Point72 (DIFC) Ltd6,320$5.22M
Point72 Asia (Singapore) Pte. Ltd.5,726$4.72M
Forge First Asset Management Inc.3,545$2.93M
Optimum Investment Advisors3,088$2.55M
Wolverine Trading, LLC2,810$2.25M
Benchmark Investment Advisors LLC2,565$2.12M
Point72 Hong Kong Ltd1,400$1.16M
Point72 Europe (London) LLP835$689.0K
Shell Asset Management Co625$516.0K
Full Sail Capital, LLC590$486.9K
Pinebridge Investments, L.P.547$451.4K
Pinnacle Financial Partners Inc526$434.0K
Gitterman Wealth Management, LLC375$309.6K
RiverGlades Family Offices LLC300$247.6K
Wetherby Asset Management Inc280$231.1K
First Affirmative Financial Network271$224.0K
Glenmede Investment Management, LP270$222.8K
Synovus Financial Corp263$217.0K
Hemington Wealth Management50$41.0K
Guerra Advisors Inc5$4.13K
Pineridge Advisors LLC1$828