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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, Q1 2026

Institutional positions in Comfort Systems USA Inc as of Mar 31, 2026. 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
1,206
+178 vs. Q4 2025
Shares held
32.5M
+4.08M (+14.3%) vs. Q4 2025
Total value
$44.6B
+$18.1B (+68.0%) vs. Q4 2025
New holders
247
449 more added
Sold out
69
402 more reduced

15 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,206 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 heldQ1 2026: $44.6B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q4 2025.

Institutions holding FIX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Advyzon Investment Management, LLC412$568.2K0.05%+33+8.7%Added
Abacus Wealth Partners, LLC413$569.5K0.05%+48+13.2%Added
West Michigan Advisors, LLC420$579.2K0.13%−348−45.3%Reduced
Meiji Yasuda Asset Management Co Ltd.420$579.2K0.03%+420New
TD Private Client Wealth LLC422$581.9K0.01%−95−18.4%Reduced
Glenmede Trust Co NA424$584.7K0.00%+90+26.9%Added
Loomis Sayles & Co L P426$587.5K0.00%−81−16.0%Reduced
Claret Asset Management Corp427$589.0K0.07%00.0%Unchanged
Advisor OS, LLC427$589.1K0.04%−31−6.8%Reduced
Oak Ridge Investments LLC428$590.2K0.04%+428New
Qsemble Capital Management, LP430$593.0K0.05%−652−60.3%Reduced
Groupama Asset Managment430$593.0K0.01%+430New
RSM US Wealth Management LLC430$593.1K0.01%−12−2.7%Reduced
Barlow Wealth Partners, Inc.364$600.8K0.07%00.0%Unchanged
Financial Engines Advisors L.L.C.437$602.6K0.00%+6+1.4%Added
Mirador Capital Partners LP437$602.6K0.09%+55+14.4%Added
Fifth Third Wealth Advisors LLC440$606.5K0.02%+125+39.7%Added
LRT Capital Management, LLC442$609.5K0.57%−1,102−71.4%Reduced
Lombard Odier Asset Management (Switzerland) SA446$615.0K0.02%+446New
True Wealth Design, LLC447$616.4K0.17%+25+5.9%Added
Montgomery Investment Management Inc450$620.5K0.21%+450New
Equitable Holdings, Inc.669$624.4K0.00%+232+53.1%Added
D'Orazio & Associates, Inc.456$628.5K0.08%−4−0.9%Reduced
Westpac Banking Corp459$633.0K0.04%+459New
Perpetual Ltd459$633.0K0.01%+459New
Copeland Capital Management, LLC467$644.0K0.01%−582−55.5%Reduced
SBI Securities Co., Ltd.470$648.1K0.02%−122−20.6%Reduced
Legacy Financial Advisors, Inc.470$648.1K0.09%+49+11.6%Added
Galvin, Gaustad & Stein, LLC476$655.9K0.05%00.0%Unchanged
World Equity Group, Inc.481$663.3K0.17%+49+11.3%Added
Ipswich Investment Management Co., Inc.483$666.1K0.16%−40−7.6%Reduced
Ausdal Financial Partners, Inc.486$669.7K0.03%+24+5.2%Added
Connecticut Wealth Management, LLC488$672.9K0.03%00.0%Unchanged
Cyndeo Wealth Partners, LLC489$674.8K0.04%+15+3.2%Added
Mach-1 Financial Group, Inc.490$675.7K0.24%−432−46.9%Reduced
Polymer Capital Management (HK) LTD496$684.0K0.10%+496New
Tema ETFs LLC499$688.1K0.05%00.0%Unchanged
FNY Investment Advisers, LLC500$689.0K0.31%+500New
Mindset Wealth Management, LLC500$689.5K0.19%00.0%Unchanged
Archer Investment Corp500$689.5K0.15%+210+72.4%Added
Sanders Morris Harris LLC500$689.5K0.11%+500New
Essex Financial Services, Inc.501$690.9K0.04%−19−3.7%Reduced
Creative Financial Designs Inc506$698.4K0.04%−33−6.1%Reduced
Vise Technologies, Inc.752$701.9K0.01%00.0%Unchanged
Northbridge Financial Group, LLC432$703.2K0.30%−2−0.5%Reduced
Pinnacle Financial Partners, Inc.510$703.3K0.01%−216−29.8%Reduced
DRW Securities, LLC512$706.0K0.04%+77+17.7%Added
Mission Wealth Management, LP518$714.3K0.01%+518New
Roundview Capital LLC519$715.7K0.04%+45+9.5%Added
Applied Finance Capital Management, LLC523$721.2K0.05%−48−8.4%Reduced
Savvy Advisors, Inc.529$729.5K0.02%+100+23.3%Added
Meiji Yasuda Life Insurance Co537$740.5K0.03%+537New
Snowden Capital Advisors LLC540$744.7K0.02%+34+6.7%Added
J2 Capital Management Inc541$746.0K0.51%−154−22.2%Reduced
Keebeck Wealth Management, LLC541$746.0K0.08%−11−2.0%Reduced
Strid Group, LLC543$748.8K0.09%−457−45.7%Reduced
Laird Norton Trust Company, LLC543$748.8K0.02%+63+13.1%Added
SRS Capital Advisors, Inc.547$754.3K0.02%+400+272.1%Added
Roman Butler Fullerton & Co496$756.2K0.21%−46−8.5%Reduced
Principal Securities, Inc.551$759.8K0.01%−17−3.0%Reduced
Aptus Capital Advisors, LLC553$762.6K0.01%+14+2.6%Added
Resonant Capital Advisors, LLC553$762.6K0.04%+265+92.0%Added
Wall Street Financial Group, Inc.554$764.0K0.45%+22+4.1%Added
AIA Group Ltd563$776.4K0.01%−909−61.8%Reduced
Northwest Wealth Management, LLC563$776.4K0.12%+8+1.4%Added
OneAscent Financial Services LLC563$776.4K0.04%+563New
Gibbs Wealth Management563$776.4K0.10%+203+56.4%Added
NLB Skladi, upravljanje premozenja, d.o.o.565$779.1K0.04%00.0%Unchanged
nVerses Capital, LLC565$779.1K0.71%+565New
Parkwood LLC567$782.0K0.07%−106−15.8%Reduced
LVW Advisors, LLC568$783.3K0.08%+39+7.4%Added
Pinnacle Associates Ltd572$788.8K0.01%+8+1.4%Added
Pinnacle Wealth Management Advisory Group, LLC572$788.8K0.05%+8+1.4%Added
GeoWealth Management, LLC575$793.0K0.03%−12−2.0%Reduced
Fi3 FINANCIAL ADVISORS, LLC576$794.3K0.23%+72+14.3%Added
TCW Group Inc582$802.6K0.01%+28+5.1%Added
AlphaCore Capital LLC583$804.0K0.02%+316+118.4%Added
Westover Capital Advisors, LLC584$805.3K0.15%+32+5.8%Added
BayBridge Capital Group, LLC866$808.3K0.50%00.0%Unchanged
Armis Advisers, LLC398$809.8K0.08%+1+0.3%Added
Fieldview Capital Management, LLC588$810.8K0.24%+588New
Brown Miller Wealth Management, LLC588$810.9K0.23%+44+8.1%Added
Axxcess Wealth Management, LLC588$810.9K0.03%+44+8.1%Added
Greenleaf Trust589$812.2K0.01%+47+8.7%Added
Koshinski Asset Management, Inc.594$819.3K0.05%+250+72.7%Added
Intrust Bank NA600$827.4K0.07%−85−12.4%Reduced
Kepler Cheuvreux (Suisse) SA600$827.4K0.05%+600New
AXS Investments LLC600$827.4K0.33%00.0%Unchanged
Fulton Bank, N.A.603$831.5K0.03%+8+1.3%Added
Legacy Capital Group California, Inc.603$831.5K0.32%+603New
Daymark Wealth Partners, LLC605$834.3K0.03%+605New
Harbour Capital Advisors, LLC484$834.7K0.16%+249+106.0%Added
Siemens Fonds Invest GmbH608$838.4K0.05%+115+23.3%Added
Blueshift Asset Management, LLC611$842.6K0.26%−288−32.0%Reduced
Spirepoint Private Client, LLC613$845.4K0.08%−3−0.5%Reduced
Legacy Financial Independent Advisors LLC619$853.6K0.44%+619New
Kera Capital Partners, Inc.627$864.6K0.11%+73+13.2%Added
Meeder Advisory Services, Inc.628$866.1K0.04%+101+19.2%Added
Abundance Wealth Counselors632$871.5K0.13%+632New
Symphony Financial, Ltd. Co.640$879.5K0.12%+105+19.6%Added