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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 2023

Institutional positions in Comfort Systems USA Inc as of Dec 31, 2023. 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
447
+54 vs. Q3 2023
Shares held
34.9M
−76.6K (−0.2%) vs. Q3 2023
Total value
$7.16B
+$1.20B (+20.1%) vs. Q3 2023
New holders
97
129 more added
Sold out
43
182 more reduced

7 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 447 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 2023: $7.16B
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 2023

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q3 2023.

Institutions holding FIX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
McClarren Financial Advisors, Inc.2$00.00%00.0%Unchanged
Tfo-TDC, LLC2$4110.00%00.0%Unchanged
Hexagon Capital Partners LLC2$4120.00%00.0%Unchanged
PEAK6 Investments LLC3$5880.00%+3New
Horizon Investments, LLC3$6170.00%+1+50.0%Added
Abound Wealth Management4$8230.00%00.0%Unchanged
Versant Capital Management, Inc6$1.23K0.00%00.0%Unchanged
Provenance Wealth Advisors, LLC9$1.85K0.00%+1+12.5%Added
DiNuzzo Private Wealth, Inc.10$2.06K0.00%+10New
Allworth Financial LP11$2.26K0.00%00.0%Unchanged
Cornerstone Planning Group LLC12$2.47K0.00%00.0%Unchanged
Sunbelt Securities, Inc.13$2.67K0.00%00.0%Unchanged
Huntington National Bank14$2.88K0.00%−48−77.4%Reduced
SJS Investment Consulting Inc.15$3.09K0.00%00.0%Unchanged
McGlone Suttner Wealth Management, Inc.16$3.29K0.00%+16New
Private Wealth Management Group, LLC16$3.29K0.00%+16New
Manchester Capital Management LLC17$3.50K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.20$3.92K0.00%00.0%Unchanged
NBC Securities, Inc.28$5.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc25$5.14K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc25$5.14K0.00%00.0%Unchanged
Lindbrook Capital, LLC26$5.35K0.00%−1−3.7%Reduced
Frazier Financial Advisors, LLC26$5.35K0.00%+26New
Foster Dykema Cabot & Partners, LLC27$5.55K0.00%+27New
Bokf, NA29$5.96K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.30$6.17K0.00%00.0%Unchanged
Davidson Capital Management Inc.32$6.58K0.00%+1+3.2%Added
JFS Wealth Advisors, LLC33$6.79K0.00%00.0%Unchanged
Colonial Trust Co34$7.02K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC35$7.20K0.00%+35New
LGT Financial Advisors LLC37$7.61K0.01%+1+2.8%Added
Hanseatic Management Services Inc42$8.64K0.02%00.0%Unchanged
Farther Finance Advisors, LLC47$9.67K0.00%+47New
CarsonAllaria Wealth Management, Ltd.50$10.3K0.01%+50New
IFP Advisors, Inc52$10.7K0.00%+26+100.0%Added
Scarborough Advisors, LLC55$11.3K0.00%+55New
Point72 Europe (London) LLP57$11.7K0.00%+57New
National Bank of Canada63$12.7K0.00%+63New
FinTrust Capital Advisors, LLC63$13.0K0.00%+39+162.5%Added
Stone House Investment Management, LLC72$14.8K0.01%+72New
Barrett & Company, Inc.75$15.4K0.01%+75New
Private Trust Co NA76$15.6K0.00%+30+65.2%Added
Wetzel Investment Advisors, Inc.81$17.0K0.01%+81New
Solstein Capital, LLC84$17.3K0.01%00.0%Unchanged
Contravisory Investment Management, Inc.92$18.9K0.00%−53−36.6%Reduced
Riggs Asset Managment Co. Inc.102$20.9K0.01%00.0%Unchanged
Massmutual Trust Co FSB114$23.4K0.00%−14−10.9%Reduced
Parallel Advisors, LLC114$23.5K0.00%+68+147.8%Added
Kelly Financial Services LLC116$23.9K0.01%00.0%Unchanged
CWM, LLC117$24.0K0.00%−73−38.4%Reduced
Benjamin F. Edwards & Company, Inc.119$24.0K0.00%+119New
SYSTM Wealth Solutions LLC124$25.5K0.00%+124New
Byrne Asset Management LLC124$25.7K0.02%+124New
Brown Brothers Harriman & Co141$29.0K0.00%00.0%Unchanged
Lee Financial Co141$29.0K0.01%00.0%Unchanged
Global Retirement Partners, LLC150$30.4K0.00%−6−3.8%Reduced
Clearstead Advisors, LLC205$42.2K0.00%+194+1,763.6%Added
Coston, McIsaac & Partners232$47.0K0.02%00.0%Unchanged
Assetmark, Inc246$50.6K0.00%+3+1.2%Added
AdvisorNet Financial, Inc252$51.8K0.00%+1+0.4%Added
GAMMA Investing LLC281$61.1K0.02%+281New
Spire Wealth Management300$61.4K0.00%+300New
Advisory Services Network, LLC301$61.8K0.00%+301New
First Horizon Advisors, Inc.318$65.4K0.00%−69−17.8%Reduced
Signaturefd, LLC333$68.5K0.00%+12+3.7%Added
Castleview Partners, LLC349$71.8K0.05%+349New
BI Asset Management Fondsmaeglerselskab A/S368$76.0K0.00%+368New
Quest Partners LLC389$80.0K0.02%+389New
Parkside Financial Bank & Trust400$82.3K0.01%−100−20.0%Reduced
Ronald Blue Trust, Inc.520$89.0K0.00%+29+5.9%Added
Proequities, Inc.455$93.6K0.01%+68+17.6%Added
Archer Investment Corp492$101.2K0.03%−58−10.5%Reduced
Steward Partners Investment Advisory, LLC536$110.2K0.00%00.0%Unchanged
Virtus Fund Advisers, LLC551$113.3K0.70%−93−14.4%Reduced
Covestor Ltd561$115.0K0.08%+68+13.8%Added
Principal Securities, Inc.565$116.2K0.00%+565New
GWM Advisors LLC603$124.1K0.00%−1,350−69.1%Reduced
Householder Group Estate & Retirement Specialist, LLC608$125.0K0.04%+608New
Skandinaviska Enskilda Banken AB (publ)700$144.0K0.00%00.0%Unchanged
EntryPoint Capital, LLC743$152.8K0.15%+743New
KBC Group NV786$162.0K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.863$170.2K0.00%+863New
TD Private Client Wealth LLC951$195.6K0.01%+398+72.0%Added
Impact Partnership Wealth, LLC959$197.2K0.07%−35−3.5%Reduced
Scotia Capital Inc.1,000$205.7K0.00%−969−49.2%Reduced
Markel Group Inc.SuperinvestorMarkel Group1,000$205.7K0.00%+1,000New
Divisadero Street Capital Management, LP1,000$205.7K0.05%+1,000New
CIBC Asset Management Inc1,008$207.3K0.00%+1,008New
Baker Tilly Wealth Management, LLC1,009$207.5K0.03%−358−26.2%Reduced
Personal Cfo Solutions, LLC1,009$207.6K0.04%+1,009New
Verition Fund Management LLC1,027$211.2K0.00%+1,027New
Prelude Capital Management, LLC1,040$213.9K0.02%+1,040New
SG Americas Securities, LLC1,070$220.0K0.00%−9,832−90.2%Reduced
Lifestyle Asset Management, Inc.1,077$221.5K0.12%+1,077New
Gallacher Capital Management LLC1,079$221.9K0.12%+1,079New
AIA Group Ltd1,084$222.9K0.01%+1,084New
Cipher Capital LP1,095$225.2K0.07%−115−9.5%Reduced
DRW Securities, LLC1,100$226.2K0.01%+1,100New
Bridgefront Capital, LLC1,125$231.4K0.17%+1,125New
FirstPurpose Wealth LLC1,133$233.0K0.09%−100−8.1%Reduced