Comfort Systems USA Inc (FIX) stock
Close on Nov 13, 2026Market cap $38.92BP/E 24.0Yield 0.18%
Comfort Systems USA Inc grew revenue 50.7% to $12.54B over the twelve months to Sep 30, 2026. Operating income fell 11.2% to $989.51M, moving the operating margin from 13.4% to 7.9%. Free cash flow was $2.44B, up 205.6% from a year earlier. At the latest close the market valued the company at $38.92B, 24.0 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $38.92B
- P/E ratio
- 24.0
- Price to sales
- 3.10
- Price to book
- 11.67
- Dividend yield
- 0.18%
- Free cash flow yield
- 6.27%
Fundamentals
- Revenue
- $12.54B
- Net income
- $1.63B
- EPS, diluted
- $46.32
- Free cash flow
- $2.44B
- Book value per share
- $94.88
- Diluted shares
- 35M
Trading
- Next earnings
- Feb 18, 2027 (estimated, during market hours)
- Previous close
- $1128.09
- Open
- $1131.00
- Day's range
- $1085.61 – $1148.93
- Volume
- 441,603
- Average volume (20 days)
- 798,848
- Index membership
- S&P 500 (since Dec 2025), Russell 1000 (since Sep 2024), Russell 3000
- Beta (5 years)
- 1.44
- 52-week range
- $841.66 – $2073.99
- RSI (14 days)
- 39.0
- Volatility (1 year)
- 61.2%
- Relative volume
- 0.89×
- WACC
- 12.3%
On 3 of our idea lists: Breakout quarter, Dividend growers, Fallen quality
Index membership is inferred from the holdings of funds that track each index (VOO, IVV, SPYM, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.
| Period | FIX | S&P 500 | Difference | FIX per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -31.6% | -3.0% | −28.6 pts | ||
| 3 months | -35.6% | -2.8% | −32.8 pts | ||
| Year to date | +19.4% | +11.5% | +7.9 pts | ||
| 1 year | +24.1% | +13.5% | +10.7 pts | ||
| 3 years | +493.6% | +77.7% | +415.9 pts | +81.1% | +21.1% |
| 5 years | +1035.2% | +72.6% | +962.6 pts | +62.6% | +11.5% |
| 10 years | +3595.8% | +308.2% | +3287.7 pts | +43.5% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Comfort Systems USA filed with the SEC as exhibits to Form 8-K or 6-K
- Update
- Results
- Results
- Update
- Update
- Results
About Comfort Systems USA
Electrical Work
Comfort Systems USA, Inc. provides mechanical and electrical contracting services across the United States. Its operations are divided into mechanical and electrical segments, offering the design, engineering, installation, maintenance, repair, and replacement of mechanical, electrical, and plumbing systems. Mechanical services encompass heating, ventilation, and air conditioning, controls, plumbing, piping, off-site construction, monitoring, and fire protection. The electrical segment covers system installation and servicing. The company serves commercial, industrial, and institutional sectors, including clients in technology, manufacturing, healthcare, education, office, retail, and government facilities, as well as multi-family residential projects.
Company profile, executives and historyComfort Systems USA stock: common questions
What is Comfort Systems USA's stock price?
FIX closed at $1112.50 on Nov 13, 2026, down 1.38% on the day. Over the past 52 weeks it traded between $841.66 and $2073.99.
What is Comfort Systems USA's market cap?
Comfort Systems USA was worth $38.92B at the close on Nov 13, 2026: the share price times the diluted shares outstanding.
What is FIX's P/E ratio?
FIX trades at 24.0 times earnings, based on diluted earnings per share of $46.32 over the twelve months to Sep 30, 2026.
How much revenue does Comfort Systems USA make?
Comfort Systems USA reported revenue of $12.54B for the twelve months to Sep 30, 2026, up 50.7% from a year earlier.
Does Comfort Systems USA pay a dividend?
Yes. Comfort Systems USA paid $1.95 per share over the last twelve months, a yield of 0.18% at the latest price, and has raised its annual dividend 13 years in a row.
When does Comfort Systems USA report earnings next?
Comfort Systems USA is expected to report Q4 FY2026 results on Feb 18, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.
How has FIX stock performed over the past year?
Including dividends, FIX returned +24.1% over the past year, against +13.5% for the S&P 500.
How many FIX shares are sold short?
1M shares were sold short at the latest FINRA report, 2.50% of the float, or 1.3 days of average trading volume.
Who are Comfort Systems USA's competitors?
Companies most similar to Comfort Systems USA by business, industry and size include EME, PWR, IESC, LGN, DY.
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