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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, Q3 2025

Institutional positions in Comfort Systems USA Inc as of Sep 30, 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
888
+139 vs. Q2 2025
Shares held
33.3M
−2.91K (0.0%) vs. Q2 2025
Total value
$27.5B
+$9.58B (+53.6%) vs. Q2 2025
New holders
211
281 more added
Sold out
72
310 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 888 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 heldQ3 2025: $27.5B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q2 2025.

Institutions holding FIX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SEI Investments Co46,409$38.3M0.04%+2,778+6.4%Added
Neumeier Poma Investment Counsel LLC45,608$37.6M3.08%−13,462−22.8%Reduced
Schroder Investment Management Group44,004$36.3M0.03%−25,700−36.9%Reduced
Algert Global LLC43,582$36.0M0.60%+6,440+17.3%Added
Macquarie Group Ltd42,939$35.4M0.04%+661+1.6%Added
Summit Partners Public Asset Management, LLC40,000$33.0M1.07%00.0%Unchanged
BWCP, LP39,770$32.8M5.69%+974+2.5%Added
Gotham Asset Management, LLC38,094$31.4M0.14%+7,895+26.1%Added
Point72 Asset Management, L.P.34,884$28.8M0.06%+34,884New
T. Rowe Price Investment Management, Inc.34,556$28.5M0.02%+14,627+73.4%Added
Van Eck Associates Corp34,414$28.4M0.03%+623+1.8%Added
Fred Alger Management, LLC34,106$28.1M0.11%−8,189−19.4%Reduced
New York State Common Retirement Fund33,942$28.0M0.04%+16,140+90.7%Added
California State Teachers Retirement System33,927$28.0M0.03%+984+3.0%Added
Assenagon Asset Management S.A.33,451$27.6M0.04%−27,895−45.5%Reduced
State Board of Administration of Florida Retirement System33,315$27.5M0.05%−2,544−7.1%Reduced
Cerity Partners LLC33,014$27.2M0.04%+5,912+21.8%Added
Truist Financial Corp32,557$26.9M0.04%−7,305−18.3%Reduced
Panagora Asset Management Inc32,423$26.8M0.11%+2,825+9.5%Added
Winslow Capital Management, LLC32,390$26.7M0.09%+3,320+11.4%Added
New York State Teachers Retirement System32,341$26.7M0.05%+5,262+19.4%Added
Bessemer Group Inc29,659$24.5M0.04%−1,501−4.8%Reduced
CIBC World Markets Inc.29,500$24.3M0.05%+8,581+41.0%Added
Credit Agricole S A28,873$23.8M0.08%+28,873New
Universal- Beteiligungs- und Servicegesellschaft mbH28,823$23.8M0.04%−6,822−19.1%Reduced
Storebrand Asset Management AS28,645$23.6M0.06%−12,326−30.1%Reduced
Cetera Investment Advisers28,337$23.4M0.03%+13,529+91.4%Added
SRS Capital Advisors, Inc.27,964$23.1M0.34%+27,920+63,454.5%Added
Munro Partners27,254$22.5M0.62%+9,185+50.8%Added
Advisor Group Holdings, Inc.27,365$22.3M0.03%+18,992+226.8%Added
Stifel Financial Corp26,907$22.2M0.02%+6,902+34.5%Added
Waratah Capital Advisors Ltd.26,852$22.2M1.51%−17,351−39.3%Reduced
Great West Life Assurance Co26,739$21.4M0.03%+368+1.4%Added
Manufacturers Life Insurance Company, The25,772$21.3M0.02%+4,547+21.4%Added
CWM, LLC25,531$21.1M0.06%+8,605+50.8%Added
Danske Bank A/S24,535$20.2M0.05%−55,531−69.4%Reduced
Wellington Management Group LLP24,325$20.1M0.00%−31,099−56.1%Reduced
Susquehanna International Group, LLP23,316$19.2M0.03%+7,491+47.3%Added
Trexquant Investment LP22,715$18.7M0.19%−2,818−11.0%Reduced
Creative Planning21,514$17.8M0.01%+4,092+23.5%Added
Hiddenite Capital Partners LP21,200$17.5M9.48%−8,800−29.3%Reduced
Moran Wealth Management, LLC21,165$17.5M0.53%−6,412−23.3%Reduced
Pallas Capital Advisors LLC20,605$17.0M0.63%−815−3.8%Reduced
Schonfeld Strategic Advisors LLC20,475$16.9M0.12%−61,022−74.9%Reduced
MetLife Investment Management19,735$16.3M0.08%−795−3.9%Reduced
Stansberry Asset Management, LLC19,359$16.0M1.67%−1,171−5.7%Reduced
Navellier & Associates Inc19,072$15.7M1.60%+745+4.1%Added
Strategic Planning Group, LLC19,034$15.7M2.12%−9,681−33.7%Reduced
Man Group plc18,839$15.5M0.03%−55,466−74.6%Reduced
Peterson Wealth Services60,331$15.4M3.81%+41,129+214.2%Added
Crown Advisors Management, Inc.18,000$14.9M9.94%00.0%Unchanged
Mariner, LLC17,671$14.6M0.02%+4,447+33.6%Added
Amalgamated Bank17,551$14.5M0.10%+198+1.1%Added
BNP Paribas Arbitrage, SA17,311$14.3M0.01%−2,289−11.7%Reduced
Kovitz Investment Group Partners, LLC16,774$13.8M0.05%−1,888−10.1%Reduced
Mutual of America Capital Management LLC16,258$13.4M0.14%−1,246−7.1%Reduced
Scalar Gauge Management, LLC16,000$13.2M6.73%+16,000New
Treasurer of the State of North Carolina15,644$12.9M0.04%−12,402−44.2%Reduced
Police & Firemen's Retirement System of New Jersey15,386$12.7M0.10%+2,152+16.3%Added
Natixis Advisors, L.P.15,198$12.5M0.02%+879+6.1%Added
Wealth Enhancement Advisory Services, LLC15,277$12.5M0.02%+2,461+19.2%Added
State of Tennessee, Treasury Department15,045$12.4M0.04%−785−5.0%Reduced
Bank of Montreal14,901$12.3M0.01%−2,597−14.8%Reduced
Public Employees Retirement System of Ohio14,879$12.3M0.04%+1,156+8.4%Added
Citigroup Inc14,074$11.6M0.01%+3,202+29.5%Added
Cowa, LLC13,954$11.5M3.82%+2,027+17.0%Added
Horizon Investments, LLC13,707$11.3M0.15%+4,973+56.9%Added
Canada Pension Plan Investment Board13,600$11.2M0.01%+8,000+142.9%Added
Asset Management One Co.,Ltd.13,611$11.2M0.03%−6,592−32.6%Reduced
Mitsubishi UFJ Trust & Banking Corp13,537$11.2M0.02%−4,764−26.0%Reduced
Cubist Systematic Strategies, LLC13,285$11.0M0.15%+13,285New
Zacks Investment Management13,011$10.7M0.09%−219−1.7%Reduced
Markel Group Inc.SuperinvestorMarkel Group13,000$10.7M0.09%00.0%Unchanged
South Dakota Investment Council12,808$10.6M0.21%+2,243+21.2%Added
Intech Investment Management LLC12,587$10.4M0.09%−25,338−66.8%Reduced
DekaBank Deutsche Girozentrale12,523$10.1M0.02%00.0%Unchanged
State of New Jersey Common Pension Fund D12,055$9.95M0.04%+9+0.1%Added
Harel Insurance Investments & Financial Services Ltd.11,914$9.82M0.09%−2,937−19.8%Reduced
Verition Fund Management LLC11,848$9.78M0.06%+7,163+152.9%Added
Nisa Investment Advisors, LLC11,785$9.72M0.04%−4,204−26.3%Reduced
LMR Partners LLP11,635$9.60M0.12%+11,635New
O'Shaughnessy Asset Management, LLC11,537$9.52M0.06%+224+2.0%Added
Brinker Capital Investments, LLC11,482$9.47M0.07%−483−4.0%Reduced
Teachers Retirement System of the State of Kentucky11,314$9.34M0.07%00.0%Unchanged
Yousif Capital Management, LLC11,204$9.25M0.10%−795−6.6%Reduced
Premier Fund Managers Ltd11,120$8.92M0.37%+11,120New
CBOE Vest Financial, LLC10,762$8.88M0.12%+486+4.7%Added
Kennedy Capital Management, Inc.10,716$8.84M0.20%−7,539−41.3%Reduced
Kornitzer Capital Management Inc10,600$8.75M0.18%+10,600New
Dividend Assets Capital, LLC10,503$8.67M1.52%+242+2.4%Added
Arizona State Retirement System10,439$8.61M0.05%+129+1.3%Added
Brown Advisory Inc9,992$8.25M0.01%−6,536−39.5%Reduced
Mountain Pacific Investment Advisers Inc9,952$8.21M1.29%−67,008−87.1%Reduced
Argent Capital Management LLC9,917$8.18M0.22%+198+2.0%Added
Louisiana State Employees Retirement System9,800$8.09M0.14%−100−1.0%Reduced
Beacon Harbor Wealth Advisors, Inc.9,755$8.05M1.88%−5,259−35.0%Reduced
Toroso Investments, LLC9,753$8.05M0.03%+1,217+14.3%Added
State of Wisconsin Investment Board9,364$7.73M0.02%−1,001−9.7%Reduced
JGP Wealth Management, LLC9,257$7.71M0.85%+9,257New
Harbor Capital Advisors, Inc.9,286$7.66M0.60%−34,799−78.9%Reduced