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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
Yorktown Management & Research Co Inc3,210$4.43M3.70%−290−8.3%Reduced
Rockefeller Capital Management L.P.3,240$4.47M0.01%−569−14.9%Reduced
Strategic Global Advisors, LLC3,295$4.54M0.73%−82−2.4%Reduced
Horizon Investments, LLC3,345$4.61M0.05%−13,344−80.0%Reduced
Motley Fool Asset Management LLC3,345$4.61M0.20%+2,792+504.9%Added
Blackhawk Capital Partners LLC.3,384$4.67M1.71%+174+5.4%Added
Callan Family Office, LLC3,406$4.70M0.11%−12−0.4%Reduced
Patton Fund Management, Inc.3,410$4.70M0.80%+3,160+1,264.0%Added
Mirae Asset Global ETFs Holdings Ltd.3,442$4.75M0.01%−1,708−33.2%Reduced
Jane Street Group, LLC3,463$4.78M0.01%+706+25.6%Added
ASR Vermogensbeheer N.V.3,464$4.78M0.06%+664+23.7%Added
Essential Partners LLC3,467$4.78M1.61%−4−0.1%Reduced
LGT Group Foundation3,504$4.83M0.06%+2,625+298.6%Added
Yousif Capital Management, LLC3,517$4.85M0.06%−122−3.4%Reduced
State of Alaska, Department of Revenue3,616$4.99M0.05%+90+2.6%Added
Bellwether Advisors, LLC3,655$5.04M0.85%+3,655New
Quadrant Capital Group LLC3,708$5.11M0.15%+5+0.1%Added
Allstate Corp3,722$5.13M0.05%+1,086+41.2%Added
Marietta Investment Partners LLC3,739$5.16M1.03%−10−0.3%Reduced
Park Avenue Securities LLC3,752$5.17M0.04%+223+6.3%Added
PDT Partners, LLC3,818$5.26M0.31%−1,700−30.8%Reduced
Hancock Whitney Corp2,870$5.28M0.09%+27+0.9%Added
Havemeyer Place LP3,885$5.36M0.62%+3,673+1,732.5%Added
Meeder Asset Management Inc3,935$5.43M0.31%−5−0.1%Reduced
M&T Bank Corp3,939$5.43M0.02%−146−3.6%Reduced
Laurion Capital Management LP3,960$5.46M0.51%+3,960New
B. Metzler seel. Sohn & Co. AG3,973$5.48M0.05%−710−15.2%Reduced
Aubrey Capital Management Ltd4,000$5.52M2.96%−1,600−28.6%Reduced
4D Advisors, LLC4,000$5.52M3.50%−1,000−20.0%Reduced
Linden Thomas Advisory Services, LLC4,023$5.55M0.53%+1,968+95.8%Added
Oregon Public Employees Retirement Fund4,031$5.56M0.07%+31+0.8%Added
Bank of Nova Scotia4,064$5.60M0.01%−580−12.5%Reduced
The PNC Financial Services Group, Inc.4,072$5.62M0.00%+383+10.4%Added
UniSuper Management Pty Ltd4,123$5.69M0.04%+533+14.8%Added
Oddo BHF Asset Management SAS4,138$5.71M0.22%+4,138New
Atria Investments LLC4,139$5.71M0.06%−446−9.7%Reduced
Vident Advisory, LLC4,175$5.76M0.05%−1,858−30.8%Reduced
Farther Finance Advisors, LLC4,030$5.76M0.05%+183+4.8%Added
Geneva Partners, LLC4,186$5.77M2.77%+1,451+53.1%Added
CWM Advisors, LLC4,197$5.79M0.34%+1,785+74.0%Added
Krilogy Financial LLC3,625$5.82M0.19%+145+4.2%Added
Pinebridge Investments LLC4,304$5.94M0.05%+3,888+934.6%Added
EP Wealth Advisors, LLC4,323$5.96M0.03%+3,050+239.6%Added
Mitchell Capital Management Co4,329$5.97M1.10%+4,329New
Premier Fund Managers Ltd4,750$6.04M0.43%+4,750New
MML Investors Services, LLC4,381$6.04M0.02%−716−14.0%Reduced
Bank Julius Baer & Co. Ltd, Zurich4,767$6.12M0.02%−781−14.1%Reduced
Whittier Trust Co of Nevada Inc4,308$6.18M0.13%+4,298+42,980.0%Added
US Bancorp4,571$6.30M0.01%+120+2.7%Added
PEAK6 LLC4,613$6.36M0.18%+4,613New
Sanctuary Advisors, LLC4,629$6.38M0.03%−1,162−20.1%Reduced
Triasima Portfolio Management inc.4,639$6.40M0.97%+520+12.6%Added
Nissay Asset Management Corp4,710$6.50M0.03%+75+1.6%Added
JustInvest LLC4,778$6.59M0.06%−102−2.1%Reduced
NEOS Investment Management LLC4,782$6.59M0.03%+639+15.4%Added
Eurizon Capital SGR S.p.A.4,827$6.62M0.02%+865+21.8%Added
Davidson Capital Management Inc.4,826$6.66M1.21%−2,182−31.1%Reduced
British Columbia Investment Management Corp4,861$6.70M0.04%−1,399−22.3%Reduced
New York Life Investment Management LLC4,892$6.75M0.06%+63+1.3%Added
Fifth Third Bancorp4,905$6.76M0.01%+3,236+193.9%Added
Globeflex Capital L P4,938$6.81M1.03%+173+3.6%Added
Edgestream Partners, L.P.4,938$6.81M0.22%+4,938New
Diversified Trust Co4,942$6.81M0.13%−467−8.6%Reduced
Hennion & Walsh Asset Management, Inc.4,963$6.84M0.23%+854+20.8%Added
GWM Advisors LLC4,964$6.85M0.02%+340+7.4%Added
Federation des caisses Desjardins du Quebec4,976$6.86M0.02%+758+18.0%Added
Crossmark Global Holdings, Inc.4,996$6.89M0.10%−736−12.8%Reduced
ProShare Advisors LLC5,022$6.93M0.01%−1,488−22.9%Reduced
Standard Life Aberdeen plc5,031$6.94M0.01%+2,817+127.2%Added
Ritholtz Wealth Management5,067$6.99M0.12%+344+7.3%Added
Cim, LLC5,116$7.06M1.02%−2,858−35.8%Reduced
Horizon Investment Services, LLC5,143$7.09M2.47%−379−6.9%Reduced
Brinker Capital Investments, LLC5,156$7.11M0.06%−2,300−30.8%Reduced
Consolidated Planning Corp5,167$7.13M1.16%−5,888−53.3%Reduced
Voloridge Investment Management, LLC5,187$7.15M0.03%+5,187New
Mawer Investment Management Ltd.5,196$7.17M0.05%−1,301−20.0%Reduced
Integrated Wealth Concepts LLC5,263$7.26M0.06%+1,558+42.1%Added
Schwartz Investment Counsel Inc5,300$7.31M0.26%−1,300−19.7%Reduced
Quadrature Capital Ltd5,318$7.33M0.09%−4,714−47.0%Reduced
Deroy & Devereaux Private Investment Counsel Inc5,351$7.38M0.35%−1,064−16.6%Reduced
Night Squared LP5,400$7.45M1.09%+5,400New
Insight Wealth Strategies, LLC5,437$7.50M0.84%−185−3.3%Reduced
Brighton Jones LLC5,473$7.55M0.17%+5,473New
Mutual of America Capital Management LLC5,477$7.55M0.09%−43−0.8%Reduced
NWK Group, Inc.5,480$7.56M2.90%+3,718+211.0%Added
Hel Ved Capital Management Ltd5,570$7.68M1.33%+5,570New
Oak Harvest Investment Services5,573$7.69M0.80%−626−10.1%Reduced
CI Private Wealth, LLC5,612$7.69M0.01%+2,830+101.7%Added
VMS Asset Management Limited5,603$7.73M4.72%+2,593+86.1%Added
Utah Retirement Systems5,655$7.80M0.08%−86−1.5%Reduced
HRT Financial LP5,659$7.80M0.02%+5,659New
Public Sector Pension Investment Board5,672$7.82M0.02%+1,112+24.4%Added
Zacks Investment Management5,767$7.95M0.06%−785−12.0%Reduced
Bridges Investment Management Inc5,830$8.04M0.11%−319−5.2%Reduced
Avanza Fonder AB5,913$8.15M0.23%00.0%Unchanged
Freedom Day Solutions, LLC5,927$8.17M2.19%−1,143−16.2%Reduced
Balyasny Asset Management LLC5,928$8.17M0.02%−2,041−25.6%Reduced
Moore Capital Management, LP5,938$8.19M0.30%+5,938New
Jain Global LLC5,989$8.26M0.11%−15,922−72.7%Reduced
Monument Capital Management6,032$8.32M2.08%−262−4.2%Reduced