Skip to main content
Livermore
Livermore
ZHEN

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.

Q1 2026 vs. Q4 2025

How the institutions holding Comfort Systems USA Inc changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of FIX: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1,043151,206+178
Shares33.3M4.85M32.5M+4.08M (+14.3%)
Value$31.1B$4.53B$44.6B+$18.1B (+68.0%)

15 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (247)

Institutions that held Comfort Systems USA Inc at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 247 by value.

Institutions new to FIX in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC2,285,949$3.15B0.08%
Vanguard Portfolio Management LLC1,881,184$2.59B0.14%
Vanguard Fiduciary Trust Co202,952$279.9M0.07%
Vanguard Global Advisers, LLC77,866$107.4M0.06%
Vanguard Asset Management, Ltd60,206$83.0M0.07%
Empowered Funds, LLC35,511$49.0M0.31%
Zurich Insurance Group Ltd26,940$37.1M0.29%
Wealth High Governance Asset Management Ltda.25,977$35.8M5.59%
Aware Super Pty Ltd as trustee of Aware Super23,862$32.9M0.50%
Vanguard Investments Australia, Ltd.17,630$24.3M0.07%
SEB Asset Management AB16,479$22.7M0.10%
Capital Fund Management S.A.16,372$22.6M0.20%
Employees Provident Fund Board15,017$20.7M0.16%
BW Gestao de Investimentos Ltda.14,023$19.3M0.86%
Wealth High Governance Capital Ltda14,023$19.3M5.80%
Tredje AP-fonden12,917$17.8M0.10%
Goodlander Investment Management, LLC12,000$16.5M5.72%
Alyeska Investment Group, L.P.11,819$16.3M0.05%
La Banque Postale Asset Management SA10,855$15.0M0.20%
CIBC Bancorp USA Inc.10,296$14.2M0.02%
Whittier Trust Co8,458$12.1M0.14%
Lansforsakringar Fondforvaltning AB (publ)7,963$11.0M0.06%
PBU - The Pension Fund of Early Childhood & Youth Educators7,525$10.4M0.16%
IFM Investors Pty Ltd7,387$10.2M0.08%
Benchstone Capital Management LP6,996$9.65M1.12%
Ilmarinen Mutual Pension Insurance Co6,595$9.09M0.07%
Scalar Gauge Management, LLC6,100$8.41M8.11%
Moore Capital Management, LP5,938$8.19M0.30%
HRT Financial LP5,659$7.80M0.02%
Hel Ved Capital Management Ltd5,570$7.68M1.33%
Brighton Jones LLC5,473$7.55M0.17%
Night Squared LP5,400$7.45M1.09%
Voloridge Investment Management, LLC5,187$7.15M0.03%
Edgestream Partners, L.P.4,938$6.81M0.22%
PEAK6 LLC4,613$6.36M0.18%
Premier Fund Managers Ltd4,750$6.04M0.43%
Mitchell Capital Management Co4,329$5.97M1.10%
Oddo BHF Asset Management SAS4,138$5.71M0.22%
Laurion Capital Management LP3,960$5.46M0.51%
Bellwether Advisors, LLC3,655$5.04M0.85%
Sidoxia Capital Management, LLC2,952$4.07M3.51%
Silvant Capital Management LLC2,896$3.99M0.14%
Bull Harbor Capital LLC2,896$3.99M1.07%
Benchmark Investment Advisors LLC2,857$3.94M2.29%
Richard Bernstein Advisors LLC2,845$3.92M0.11%
iA Global Asset Management Inc.2,745$3.79M0.05%
Crestwood Advisors Group LLC2,602$3.59M0.06%
Genus Capital Management Inc.2,563$3.53M0.41%
Occudo Quantitative Strategies LP1,669$3.07M0.17%
Marshall Wace, LLP2,079$2.87M0.00%
Osmosis Investment Management UK Ltd2,060$2.84M0.08%
Cumberland Partners Ltd2,000$2.76M0.21%
J. Safra Sarasin Holding AG1,981$2.73M0.05%
Oak Thistle LLC1,976$2.72M0.26%
Paragon Advisors, LLC1,955$2.70M0.73%
CVFG LLC1,910$2.63M0.33%
Y-Intercept (Hong Kong) Ltd1,768$2.44M0.05%
APG Asset Management N.V.1,984$2.37M0.01%
Wakefield Asset Management LLLP1,699$2.34M0.62%
GLR Partners, LLC1,674$2.31M1.26%
Convergence Investment Partners, LLC1,614$2.23M0.36%
Ascent Wealth Partners, LLC1,500$2.07M0.24%
Caldwell Investment Management Ltd.1,600$2.04M0.80%
Tokio Marine Asset Management Co Ltd1,456$2.01M0.07%
Braeburn Wealth Management LLC1,412$1.95M1.11%
Baader Bank INC1,407$1.91M0.19%
Saudi Central Bank1,302$1.80M0.04%
Mutual Advisors, LLC1,239$1.71M0.04%
Commerzbank Aktiengesellschaft1,105$1.52M0.03%
Wahed Invest LLC882$1.22M0.16%
Monolith Management Ltd880$1.21M0.47%
CenterBook Partners LP830$1.14M0.06%
Nippon Life Global Investors Americas, Inc.810$1.12M0.05%
Americana Partners, LLC790$1.09M0.03%
Frec Markets, Inc.756$1.04M0.18%
Harvest Investment Services, LLC750$1.03M0.19%
Bridgefront Capital, LLC738$1.02M0.25%
Triglav Skladi, D.O.O.700$965.3K0.07%
Farringdon Capital, Ltd.639$881.2K0.19%
Abundance Wealth Counselors632$871.5K0.13%
Legacy Financial Independent Advisors LLC619$853.6K0.44%
Daymark Wealth Partners, LLC605$834.3K0.03%
Legacy Capital Group California, Inc.603$831.5K0.32%
Kepler Cheuvreux (Suisse) SA600$827.4K0.05%
Fieldview Capital Management, LLC588$810.8K0.24%
nVerses Capital, LLC565$779.1K0.71%
OneAscent Financial Services LLC563$776.4K0.04%
Meiji Yasuda Life Insurance Co537$740.5K0.03%
Mission Wealth Management, LP518$714.3K0.01%
Sanders Morris Harris LLC500$689.5K0.11%
FNY Investment Advisers, LLC500$689.0K0.31%
Polymer Capital Management (HK) LTD496$684.0K0.10%
Westpac Banking Corp459$633.0K0.04%
Perpetual Ltd459$633.0K0.01%
Montgomery Investment Management Inc450$620.5K0.21%
Lombard Odier Asset Management (Switzerland) SA446$615.0K0.02%
Groupama Asset Managment430$593.0K0.01%
Oak Ridge Investments LLC428$590.2K0.04%
Meiji Yasuda Asset Management Co Ltd.420$579.2K0.03%
Unique Wealth Strategies, LLC409$564.7K0.23%

Sold out (69)

Institutions that held Comfort Systems USA Inc at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of FIX in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Third Point LLCSuperinvestorThird Point105,000$98.0M
T. Rowe Price Investment Management, Inc.21,734$20.3M
Hiddenite Capital Partners LP21,200$19.8M
Skandinaviska Enskilda Banken AB (publ)15,770$14.7M
Two Sigma Advisers, LP6,740$6.29M
Rakuten Investment Management, Inc.4,634$4.41M
FORA Capital, LLC4,836$4.28M
Capital Insight Partners, LLC3,311$3.09M
Harbor Capital Advisors, Inc.2,689$2.51M
Diversify Advisory Services, LLC2,142$2.40M
Twinbeech Capital LP2,539$2.37M
Mariner Investment Group LLC2,000$1.87M
Pinnbrook Capital Management LP1,823$1.70M
Fedenia Advisers LLC1,759$1.64M
Creek Drive Management Group LLC1,650$1.54M
RE Advisers Corp1,588$1.48M
FirstWave Capital Management LLC1,225$1.14M
WBI Investments1,182$1.10M
Readystate Asset Management LP1,099$1.03M
Quest Partners LLC1,035$966.0K
HighPoint Advisor Group LLC1,030$961.2K
Mount Lucas Management LP964$899.7K
Park Capital Management, LLC932$870.1K
National Asset Management, Inc.874$816.0K
Three Seasons Wealth, LLC743$693.4K
Fiducient Advisors LLC610$569.3K
O'Neil Global Advisors, Inc.570$532.0K
Forum Financial Management, LP504$470.4K
Inceptionr LLC479$447.0K
Flow Traders U.S. LLC458$427.0K
PharVision Advisers, LLC457$426.5K
Journey Retirement Planning & Investment Management LLC417$389.3K
SkyOak Wealth, LLC412$384.5K
Keebeck Alpha, LP390$364.0K
Interchange Capital Partners, LLC312$291.2K
SMART Wealth LLC305$284.8K
Comprehensive Financial Planning, Inc.305$284.7K
Wealthspire Advisors, LLC294$274.4K
Rhodes Investment Advisors Inc290$270.7K
BCS Wealth Management272$253.9K
Aaron Wealth Advisors259$241.7K
Accurate Wealth Management, LLC238$240.5K
OmniStar Financial Group, Inc.237$221.5K
Jupiter Asset Management Ltd233$217.5K
Independent Financial Group, LLC231$215.6K
Perennial Investment Advisors, LLC224$209.3K
Two Sigma Securities, LLC222$207.2K
Retirement Guys Formula LLC222$206.8K
AlphaCentric Advisors LLC149$139.1K
USA Financial Portformulas Corp141$131.6K
Maseco LLP120$111.5K
Capco Asset Management, LLC108$100.8K
Greenline Wealth Management LLC105$97.9K
Stephenson National Bank & Trust104$97.1K
Torren Management, LLC99$92.4K
Reflection Asset Management65$60.7K
Elyxium Wealth, LLC50$46.9K
Darwin Advisors, LLC30$28.0K
CBIZ Investment Advisory Services, LLC15$14.0K
Truvestments Capital LLC10$9.33K
Vermillion & White Wealth Management Group, LLC10$9.33K
Howard Hughes Medical Institute7$6.53K
Quattro Advisors LLC6$5.60K
Wealth Watch Advisors, INC5$4.67K
Cape Investment Advisory, Inc.4$3.73K
Valley National Advisers Inc4$3.00K
Atlas Capital Advisors LLC1$933
Turning Point Benefit Group, Inc.1$933
Optima Capital LLC1$933

Not filed for Q1 2026 yet (15)

Institutions that held Comfort Systems USA Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding FIX in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc4,310,126$4.02B
Norges Bank503,173$469.6M
CIBC Private Wealth Group, LLC9,049$8.44M
New Millennium Group LLC7,970$7.44M
Forsta Ap-Fonden7,920$7.39M
CIBC World Markets Corp4,899$4.57M
Comerica Bank4,655$4.34M
Meritage Portfolio Management2,965$2.77M
Keystone Investors Pte Ltd1,416$1.32M
Prosperity Wealth Management, Inc.1,025$956.6K
Global Retirement Partners, LLC388$362.1K
Canandaigua National Bank & Trust Co235$219.3K
DV Equities, LLC49$45.7K
ORG Partners LLC44$41.1K
Motiv8 Investments LLC5$5.00K