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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
Louisiana State Employees Retirement System9,900$3.19M0.06%+100+1.0%Added
Teacher Retirement System of Texas9,861$3.18M0.01%−3,646−27.0%Reduced
Jump Financial, LLC9,845$3.17M0.05%+332+3.5%Added
U.S. Capital Wealth Advisors, LLC9,823$3.17M0.10%+2,553+35.1%Added
Deroy & Devereaux Private Investment Counsel Inc9,669$3.12M0.18%+9,669New
Mariner, LLC9,525$3.07M0.01%−5,743−37.6%Reduced
Toroso Investments, LLC9,321$3.00M0.03%−868−8.5%Reduced
Bosman Wealth Management, LLC9,209$2.97M3.01%+5,076+122.8%Added
PDT Partners, LLC9,134$2.94M0.21%+3,700+68.1%Added
Advisor Group Holdings, Inc.9,095$2.93M0.01%+4,556+100.4%Added
Cambridge Investment Research Advisors, Inc.9,082$2.93M0.01%+524+6.1%Added
CBOE Vest Financial, LLC8,701$2.80M0.04%+3,118+55.8%Added
PEAK6 LLC8,611$2.78M0.11%+8,611New
Freedom Day Solutions, LLC8,554$2.76M0.84%−432−4.8%Reduced
Dark Forest Capital Management LP8,546$2.75M0.13%+7,030+463.7%Added
State of Michigan Retirement System8,500$2.74M0.02%+100+1.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys8,481$2.73M0.02%+645+8.2%Added
Anderson Hoagland & Co8,634$2.70M0.32%+186+2.2%Added
Thrivent Financial for Lutherans8,319$2.68M0.01%−29−0.3%Reduced
CWM, LLC8,271$2.67M0.01%+3,238+64.3%Added
Los Angeles Capital Management LLC8,219$2.65M0.01%−43,765−84.2%Reduced
KLP Kapitalforvaltning AS8,200$2.64M0.01%+100+1.2%Added
HighTower Advisors, LLC7,992$2.58M0.00%−4,418−35.6%Reduced
Zacks Investment Management7,910$2.55M0.02%−72−0.9%Reduced
Northwestern Mutual Investment Management Company, LLC7,888$2.54M0.04%+30.0%Added
California First Leasing Corp7,860$2.53M1.12%+7,860New
Insight Wealth Strategies, LLC7,832$2.52M0.34%+7,832New
HSBC Holdings PLC7,862$2.51M0.00%−4,473−36.3%Reduced
RFG Advisory, LLC7,707$2.48M0.07%+982+14.6%Added
Verition Fund Management LLC7,502$2.42M0.01%+3,654+95.0%Added
New Mexico Educational Retirement Board7,400$2.38M0.09%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC7,375$2.38M0.00%+3,644+97.7%Added
Xponance, Inc.7,302$2.35M0.02%+69+1.0%Added
Oregon Public Employees Retirement Fund7,194$2.32M0.04%−8−0.1%Reduced
Davidson Capital Management Inc.7,183$2.32M0.63%+7,160+31,130.4%Added
New Age Alpha Advisors, LLC7,175$2.31M0.10%−547−7.1%Reduced
Bridges Investment Management Inc7,169$2.31M0.03%+3,599+100.8%Added
Hunter Associates Investment Management LLC7,056$2.27M0.35%+515+7.9%Added
Ameritas Investment Partners, Inc.6,981$2.25M0.08%−125−1.8%Reduced
Horizon Investment Services, LLC6,960$2.24M1.09%+158+2.3%Added
MML Investors Services, LLC6,950$2.24M0.01%−426−5.8%Reduced
Quantitative Investment Management, LLC6,857$2.21M0.20%+6,857New
Diversify Wealth Management, LLC5,529$2.20M0.16%+1,448+35.5%Added
LRT Capital Management, LLC6,765$2.18M1.49%+399+6.3%Added
SG Americas Securities, LLC6,625$2.13M0.01%+6,625New
Monimus Capital Management, LP6,602$2.13M1.81%+6,602New
Schwartz Investment Counsel Inc6,600$2.13M0.07%+2,800+73.7%Added
Consolidated Planning Corp6,412$2.07M0.28%+1,629+34.1%Added
Secure Asset Management, LLC6,379$2.06M0.42%+6,379New
Meritage Portfolio Management6,379$2.06M0.14%+439+7.4%Added
Shaker Investments LLC6,070$1.96M0.94%+593+10.8%Added
Strategic Global Advisors, LLC6,021$1.94M0.38%−192−3.1%Reduced
Mackenzie Financial Corp6,001$1.93M0.00%+1,620+37.0%Added
Dynamic Technology Lab Private Ltd5,990$1.93M0.28%+5,990New
Daiwa Securities Group Inc.5,970$1.92M0.01%+1,940+48.1%Added
Catalyst Funds Management Pty Ltd5,725$1.85M0.48%+2,500+77.5%Added
Fiera Capital Corp5,725$1.85M0.01%+5,725New
Level Four Advisory Services, LLC5,640$1.82M0.07%+1,127+25.0%Added
Baird Financial Group, Inc.5,640$1.82M0.00%+3,135+125.1%Added
Fox Run Management, L.L.C.5,551$1.79M0.28%+4,044+268.3%Added
The PNC Financial Services Group, Inc.5,532$1.78M0.00%−919−14.2%Reduced
Diversified Trust Co5,511$1.78M0.04%−1,559−22.1%Reduced
Pictet Asset Management Holding SA5,436$1.75M0.00%+527+10.7%Added
Benchmark Investment Advisors LLC5,398$1.74M1.13%+4,330+405.4%Added
Gsa Capital Partners LLP5,358$1.73M0.16%+3,890+265.0%Added
Cim, LLC5,156$1.66M0.25%−93−1.8%Reduced
HRT Financial LP5,151$1.66M0.01%+5,151New
M&T Bank Corp5,066$1.63M0.01%−262−4.9%Reduced
Skye Global Management LP5,040$1.62M0.04%+3,360+200.0%Added
Quadrature Capital Ltd4,825$1.56M0.03%−3,867−44.5%Reduced
Kestra Investment Management, LLC4,816$1.55M0.05%+1,336+38.4%Added
Sheaff Brock Investment Advisors, LLC4,670$1.51M0.14%+23+0.5%Added
Ontario Teachers Pension Plan Board4,652$1.50M0.02%−125−2.6%Reduced
Janney Montgomery Scott LLC4,582$1.48M0.00%−3,712−44.8%Reduced
Concentric Capital Strategies, LP4,521$1.46M0.15%+4,521New
Johnson Investment Counsel Inc4,492$1.45M0.01%+329+7.9%Added
Ritholtz Wealth Management4,430$1.43M0.04%−9−0.2%Reduced
B. Metzler seel. Sohn & Co. AG4,421$1.43M0.01%−25−0.6%Reduced
Waratah Capital Advisors Ltd.4,332$1.40M0.10%+4,332New
Jackson Creek Investment Advisors LLC4,314$1.39M0.44%−20.0%Reduced
Virtu Financial LLC4,252$1.37M0.07%+2,359+124.6%Added
Redhawk Wealth Advisors, Inc.4,208$1.36M0.18%−848−16.8%Reduced
State of Alaska, Department of Revenue4,160$1.34M0.02%+115+2.8%Added
Redwood Investments, LLC4,039$1.30M0.49%−3,630−47.3%Reduced
Graham Capital Management, L.P.4,019$1.30M0.04%+886+28.3%Added
Oppenheimer Asset Management Inc.3,988$1.29M0.02%−302−7.0%Reduced
Wolverine Trading, LLC3,955$1.28M0.04%+256+6.9%Added
Centiva Capital, LP3,914$1.26M0.07%−2,168−35.6%Reduced
Commonwealth Equity Services, LLC3,911$1.26M0.00%−1,859−32.2%Reduced
Yorktown Management & Research Co Inc3,900$1.26M1.37%00.0%Unchanged
Kestra Advisory Services, LLC3,898$1.26M0.01%+362+10.2%Added
Picton Mahoney Asset Management3,892$1.25M0.04%+2,697+225.7%Added
CenterBook Partners LP3,889$1.25M0.08%−1,120−22.4%Reduced
US Bancorp3,884$1.25M0.00%−7,946−67.2%Reduced
New York Life Investment Management LLC3,768$1.21M0.01%+34+0.9%Added
Laurus Investment Counsel Inc.3,760$1.21M0.81%00.0%Unchanged
Penobscot Investment Management Company, Inc.3,755$1.21M0.11%+3,755New
Argent Capital Management LLC3,702$1.19M0.04%−352−8.7%Reduced
Alliance Wealth Advisors, LLC3,641$1.17M0.31%+151+4.3%Added
Quadrant Capital Group LLC3,634$1.17M0.04%+2,164+147.2%Added