Skip to main content

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
Qube Research & Technologies Ltd34,409$7.08M0.02%+23,924+228.2%Added
Russell Investments Group, Ltd.33,871$6.97M0.01%+2,483+7.9%Added
Nicholas Company, Inc.33,626$6.92M0.12%−1,115−3.2%Reduced
New York State Common Retirement Fund33,051$6.80M0.01%−29,182−46.9%Reduced
Bridge City Capital, LLC32,867$6.76M2.62%+1,662+5.3%Added
Premier Fund Managers Ltd32,638$6.74M0.29%−12,994−28.5%Reduced
Ci Investments Inc.32,359$6.66M0.03%+2,230+7.4%Added
Prudential PLC32,030$6.59M0.07%+32,030New
Ziegler Capital Management, LLC31,235$6.42M0.29%−67,617−68.4%Reduced
Texas Permanent School Fund30,853$6.35M0.05%+474+1.6%Added
Man Group plc30,654$6.30M0.02%––
AQR Capital Management LLC29,260$6.02M0.01%−3,260−10.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.28,026$5.76M0.03%+2,658+10.5%Added
TownSquare Capital, LLC26,923$5.54M0.09%+1,809+7.2%Added
SEI Investments Co26,636$5.48M0.01%−9,297−25.9%Reduced
Nisa Investment Advisors, LLC26,623$5.48M0.04%−100−0.4%Reduced
Prudential Financial Inc26,547$5.46M0.01%−18,262−40.8%Reduced
State of Tennessee, Treasury Department26,480$5.45M0.02%+3,748+16.5%Added
Squarepoint Ops LLC26,276$5.40M0.02%−3,955−13.1%Reduced
Knights of Columbus Asset Advisors LLC25,874$5.32M0.34%+6,731+35.2%Added
Castleark Management LLC24,600$5.06M0.22%−11,540−31.9%Reduced
WBI Investments24,378$5.01M1.00%+24,378New
Lisanti Capital Growth, LLC24,105$4.96M1.17%−39,460−62.1%Reduced
Eagle Asset Management Inc23,701$4.87M0.03%+23,701New
Brinker Capital Investments, LLC23,877$4.75M0.06%−2,655−10.0%Reduced
Orion Portfolio Solutions, LLC23,877$4.75M0.06%−2,655−10.0%Reduced
Algert Global LLC22,733$4.68M0.19%+18,730+467.9%Added
Amalgamated Bank22,702$4.67M0.04%+6,756+42.4%Added
Divisar Capital Management LLC22,307$4.59M0.85%00.0%Unchanged
Moody Aldrich Partners LLC22,229$4.57M0.82%−2,349−9.6%Reduced
Redwood Investments, LLC22,201$4.57M1.19%−58,784−72.6%Reduced
New York State Teachers Retirement System22,189$4.56M0.01%−664−2.9%Reduced
Mutual of America Capital Management LLC22,071$4.54M0.05%+15,801+252.0%Added
Stifel Financial Corp20,959$4.31M0.01%+10,042+92.0%Added
UBS Group AG20,883$4.30M0.00%−366−1.7%Reduced
Great West Life Assurance Co20,837$4.28M0.01%−11,080−34.7%Reduced
State of New Jersey Common Pension Fund D20,516$4.22M0.01%00.0%Unchanged
HighTower Advisors, LLC20,519$4.20M0.01%−5,101−19.9%Reduced
EAM Investors, LLC19,939$4.10M0.73%+8,416+73.0%Added
Teachers Retirement System of the State of Kentucky19,716$4.05M0.04%+565+3.0%Added
Gotham Asset Management, LLC19,643$4.04M0.08%−4,632−19.1%Reduced
Aubrey Capital Management Ltd19,600$4.03M1.72%−700−3.4%Reduced
Third Avenue Management LLC19,434$4.00M0.66%−6,270−24.4%Reduced
EAM Global Investors LLC19,295$3.97M0.96%−10,336−34.9%Reduced
Aptus Capital Advisors, LLC19,170$3.94M0.12%−203−1.0%Reduced
Brown Advisory Inc19,005$3.91M0.01%−910−4.6%Reduced
Pallas Capital Advisors LLC18,199$3.74M0.20%+757+4.3%Added
Dorchester Wealth Management Co18,076$3.72M0.69%−773−4.1%Reduced
Engineers Gate Manager LP17,923$3.69M0.11%+14,537+429.3%Added
Ensign Peak Advisors, Inc17,798$3.66M0.01%−7,152−28.7%Reduced
Oberweis Asset Management Inc17,700$3.64M0.34%+3,700+26.4%Added
MML Investors Services, LLC17,272$3.55M0.02%+2,085+13.7%Added
Yousif Capital Management, LLC17,062$3.51M0.04%−1,367−7.4%Reduced
Anderson Hoagland & Co17,101$3.46M0.42%+26+0.2%Added
Mirae Asset Global Investments Co., Ltd.16,701$3.43M0.01%−118−0.7%Reduced
Allianz Asset Management GmbH16,553$3.40M0.01%−315−1.9%Reduced
Seizert Capital Partners, LLC16,523$3.40M0.17%−9,310−36.0%Reduced
Bank of Montreal16,256$3.39M0.00%+7,325+82.0%Added
D. E. Shaw & Co., Inc.16,338$3.36M0.00%+11,110+212.5%Added
Hilltop Holdings Inc.16,175$3.33M0.38%−1,358−7.7%Reduced
Peterson Wealth Services16,114$3.31M1.42%−160−1.0%Reduced
Entropy Technologies, LP16,045$3.30M0.61%+16,045New
Chase Investment Counsel Corp15,708$3.23M1.43%−306−1.9%Reduced
Empowered Funds, LLC15,682$3.23M0.08%−904−5.5%Reduced
LPL Financial LLC15,161$3.12M0.00%−3,635−19.3%Reduced
Munro Partners15,130$3.11M0.14%+2,820+22.9%Added
Natixis Advisors, L.P.15,033$3.09M0.01%−4,829−24.3%Reduced
O'Shaughnessy Asset Management, LLC14,404$2.96M0.04%−59−0.4%Reduced
DekaBank Deutsche Girozentrale14,148$2.91M0.01%−73−0.5%Reduced
Voya Investment Management LLC14,081$2.90M0.00%−3,625−20.5%Reduced
Point72 Middle East FZE14,080$2.90M0.20%+2,704+23.8%Added
Teacher Retirement System of Texas14,041$2.89M0.02%−6,746−32.5%Reduced
Renaissance Group LLC12,823$2.64M0.11%+775+6.4%Added
HSBC Holdings PLC11,906$2.46M0.00%−5,760−32.6%Reduced
Chartwell Investment Partners, LLC11,930$2.45M0.09%+1,767+17.4%Added
Legato Capital Management LLC11,909$2.45M0.32%−1,395−10.5%Reduced
Ameritas Investment Partners, Inc.11,472$2.36M0.09%+7,921+223.1%Added
Trexquant Investment LP11,408$2.35M0.05%+3,063+36.7%Added
Two Sigma Investments, LP11,400$2.34M0.01%00.0%Unchanged
Advisor Group Holdings, Inc.11,300$2.32M0.00%−552−4.7%Reduced
Creative Planning11,208$2.31M0.00%+1,736+18.3%Added
Naples Money Management LLC11,000$2.26M2.12%+11,000New
Franklin Resources Inc10,572$2.17M0.00%−50.0%Reduced
Hiddenite Capital Partners LP10,350$2.13M3.13%−3,450−25.0%Reduced
Louisiana State Employees Retirement System10,200$2.10M0.04%−8,000−44.0%Reduced
Van Eck Associates Corp10,152$2.09M0.00%+2,582+34.1%Added
State Board of Administration of Florida Retirement System10,115$2.08M0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund10,100$2.08M0.04%−537−5.0%Reduced
Two Sigma Advisers, LP10,100$2.08M0.00%+2,100+26.3%Added
Arizona State Retirement System9,999$2.06M0.02%−185−1.8%Reduced
Crown Advisors Management, Inc.10,000$2.06M1.41%+10,000New
Balyasny Asset Management LLC9,769$2.01M0.01%−128,202−92.9%Reduced
STRS Ohio9,700$1.99M0.01%−400−4.0%Reduced
Public Employees Retirement System of Ohio9,675$1.99M0.01%−10,135−51.2%Reduced
Saturna Capital CORP9,559$1.97M0.03%−55−0.6%Reduced
Hunter Associates Investment Management LLC9,230$1.90M0.35%−450−4.6%Reduced
Thrivent Financial for Lutherans8,922$1.83M0.00%−23,800−72.7%Reduced
Citigroup Inc8,799$1.81M0.00%−7,945−47.4%Reduced
State of Michigan Retirement System8,600$1.77M0.01%+8,600New
Freedom Day Solutions, LLC8,454$1.74M0.68%+8,454New