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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 2025

Institutional positions in Comfort Systems USA Inc as of Mar 31, 2025. 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
632
−21 vs. Q4 2024
Shares held
33.8M
+267.7K (+0.8%) vs. Q4 2024
Total value
$10.9B
−$3.33B (−23.4%) vs. Q4 2024
New holders
100
275 more added
Sold out
121
201 more reduced

12 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 632 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 2025: $10.9B
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 2025

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q4 2024.

Institutions holding FIX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wealth Enhancement Advisory Services, LLC7,375$2.38M0.00%+3,644+97.7%Added
New Mexico Educational Retirement Board7,400$2.38M0.09%00.0%Unchanged
Verition Fund Management LLC7,502$2.42M0.01%+3,654+95.0%Added
RFG Advisory, LLC7,707$2.48M0.07%+982+14.6%Added
HSBC Holdings PLC7,862$2.51M0.00%−4,473−36.3%Reduced
Insight Wealth Strategies, LLC7,832$2.52M0.34%+7,832New
California First Leasing Corp7,860$2.53M1.12%+7,860New
Northwestern Mutual Investment Management Company, LLC7,888$2.54M0.04%+30.0%Added
Zacks Investment Management7,910$2.55M0.02%−72−0.9%Reduced
HighTower Advisors, LLC7,992$2.58M0.00%−4,418−35.6%Reduced
KLP Kapitalforvaltning AS8,200$2.64M0.01%+100+1.2%Added
Los Angeles Capital Management LLC8,219$2.65M0.01%−43,765−84.2%Reduced
CWM, LLC8,271$2.67M0.01%+3,238+64.3%Added
Thrivent Financial for Lutherans8,319$2.68M0.01%−29−0.3%Reduced
Anderson Hoagland & Co8,634$2.70M0.32%+186+2.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys8,481$2.73M0.02%+645+8.2%Added
State of Michigan Retirement System8,500$2.74M0.02%+100+1.2%Added
Dark Forest Capital Management LP8,546$2.75M0.13%+7,030+463.7%Added
Freedom Day Solutions, LLC8,554$2.76M0.84%−432−4.8%Reduced
PEAK6 LLC8,611$2.78M0.11%+8,611New
CBOE Vest Financial, LLC8,701$2.80M0.04%+3,118+55.8%Added
Cambridge Investment Research Advisors, Inc.9,082$2.93M0.01%+524+6.1%Added
Advisor Group Holdings, Inc.9,095$2.93M0.01%+4,556+100.4%Added
PDT Partners, LLC9,134$2.94M0.21%+3,700+68.1%Added
Bosman Wealth Management, LLC9,209$2.97M3.01%+5,076+122.8%Added
Toroso Investments, LLC9,321$3.00M0.03%−868−8.5%Reduced
Mariner, LLC9,525$3.07M0.01%−5,743−37.6%Reduced
Deroy & Devereaux Private Investment Counsel Inc9,669$3.12M0.18%+9,669New
U.S. Capital Wealth Advisors, LLC9,823$3.17M0.10%+2,553+35.1%Added
Jump Financial, LLC9,845$3.17M0.05%+332+3.5%Added
Teacher Retirement System of Texas9,861$3.18M0.01%−3,646−27.0%Reduced
Louisiana State Employees Retirement System9,900$3.19M0.06%+100+1.0%Added
Virginia Retirement Systems Et Al9,923$3.20M0.02%+9,923New
Pinebridge Investments, L.P.9,954$3.21M0.03%−5,835−37.0%Reduced
4D Advisors, LLC10,000$3.22M2.50%+1,500+17.6%Added
Arizona State Retirement System10,210$3.29M0.02%−144−1.4%Reduced
O'Shaughnessy Asset Management, LLC10,400$3.35M0.03%+15+0.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)10,402$3.35M0.01%+551+5.6%Added
Cowa, LLC10,402$3.35M1.43%+5,074+95.2%Added
Pathstone Holdings, LLC10,428$3.36M0.01%−228−2.1%Reduced
South Dakota Investment Council10,565$3.40M0.07%00.0%Unchanged
Aubrey Capital Management Ltd10,700$3.45M1.39%−2,600−19.5%Reduced
Cetera Investment Advisers10,780$3.47M0.01%+5,133+90.9%Added
Teachers Retirement System of the State of Kentucky11,314$3.65M0.03%00.0%Unchanged
Stansberry Asset Management, LLC11,323$3.65M0.44%−18,757−62.4%Reduced
Dividend Assets Capital, LLC11,464$3.70M0.70%+11,464New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main11,505$3.71M0.00%+6,697+139.3%Added
Natixis Advisors, L.P.11,649$3.75M0.01%−125,385−91.5%Reduced
Nicholas Company, Inc.11,704$3.77M0.07%−1,860−13.7%Reduced
Brinker Capital Investments, LLC11,817$3.81M0.04%+158+1.4%Added
Orion Portfolio Solutions, LLC11,817$3.81M0.04%+158+1.4%Added
Brevan Howard Capital Management LP11,878$3.83M0.11%−1,137−8.7%Reduced
Kovitz Investment Group Partners, LLC11,956$3.85M0.02%+11,385+1,993.9%Added
State of New Jersey Common Pension Fund D12,056$3.89M0.02%−761−5.9%Reduced
Yousif Capital Management, LLC12,305$3.97M0.05%−263−2.1%Reduced
DekaBank Deutsche Girozentrale12,523$4.01M0.01%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey12,703$4.09M0.04%00.0%Unchanged
Public Employees Retirement System of Ohio12,976$4.18M0.02%−1,264−8.9%Reduced
Markel Group Inc.SuperinvestorMarkel Group13,000$4.19M0.04%00.0%Unchanged
State of Wisconsin Investment Board13,200$4.25M0.01%−324−2.4%Reduced
CIBC World Markets Inc.13,893$4.48M0.01%+5,911+74.1%Added
Crown Advisors Management, Inc.14,000$4.51M3.97%+4,000+40.0%Added
Citigroup Inc14,245$4.59M0.00%−6,277−30.6%Reduced
Toronto Dominion Bank14,498$4.67M0.01%+14,498New
CIBC Private Wealth Group, LLC15,443$4.82M0.01%+14,711+2,009.7%Added
Creative Planning15,057$4.85M0.00%+1,506+11.1%Added
Stifel Financial Corp15,432$4.97M0.01%−691−4.3%Reduced
RE Advisers Corp15,688$5.06M0.12%−1,600−9.3%Reduced
Nisa Investment Advisors, LLC15,798$5.09M0.03%+11+0.1%Added
State of Tennessee, Treasury Department15,830$5.10M0.02%+1,307+9.0%Added
Treasurer of the State of North Carolina16,084$5.18M0.02%+630+4.1%Added
Y-Intercept (Hong Kong) Ltd16,539$5.33M0.36%+7,001+73.4%Added
TownSquare Capital, LLC16,696$5.38M0.06%+289+1.8%Added
Bank of Nova Scotia16,913$5.45M0.01%+16,913New
Ensign Peak Advisors, Inc16,951$5.46M0.01%−17−0.1%Reduced
Beacon Harbor Wealth Advisors, Inc.16,971$5.47M1.27%−347−2.0%Reduced
Prudential Financial Inc12,648$5.59M0.01%−1,615−11.3%Reduced
Amalgamated Bank17,362$5.60M0.05%−506−2.8%Reduced
Harel Insurance Investments & Financial Services Ltd.17,630$5.68M0.07%+17,630New
New York State Common Retirement Fund17,708$5.71M0.01%−2,715−13.3%Reduced
Bank of Montreal17,819$5.74M0.00%+7,783+77.6%Added
Cerity Partners LLC17,841$5.75M0.01%+365+2.1%Added
Kennedy Capital Management, Inc.17,944$5.78M0.14%−1,386−7.2%Reduced
Freestone Grove Partners LP17,985$5.80M0.06%−29,483−62.1%Reduced
Mutual of America Capital Management LLC18,260$5.89M0.07%−483−2.6%Reduced
Pallas Capital Advisors LLC18,306$5.90M0.25%−925−4.8%Reduced
TrimTabs Asset Management, LLC19,040$6.14M0.96%+16,373+613.9%Added
Peterson Wealth Services19,109$6.16M1.91%+52+0.3%Added
Mitsubishi UFJ Trust & Banking Corp19,599$6.32M0.02%−17,454−47.1%Reduced
Trexquant Investment LP19,917$6.42M0.07%−1,784−8.2%Reduced
Silvercrest Asset Management Group LLC20,423$6.58M0.05%+20,423New
MetLife Investment Management21,226$6.84M0.04%−318−1.5%Reduced
Manufacturers Life Insurance Company, The21,693$6.99M0.01%−5,261−19.5%Reduced
Fred Alger Management, LLC21,729$7.00M0.04%+5,500+33.9%Added
Congress Wealth Management LLC22,367$7.21M0.09%+1,532+7.4%Added
Gotham Asset Management, LLC22,457$7.24M0.06%+7,710+52.3%Added
Ieq Capital, LLC22,645$7.30M0.06%+8,283+57.7%Added
LPL Financial LLC23,520$7.58M0.00%+922+4.1%Added
Strategic Planning Group, LLC23,584$7.60M1.49%+702+3.1%Added
Amundi24,811$7.73M0.00%+23,819+2,401.1%Added