Kirby Corp (KEX) stock
Close on Nov 12, 2026Market cap $6.79BP/E 18.5Yield –
Kirby Corp grew revenue 8.5% to $3.60B over the twelve months to Sep 30, 2026. Operating income rose 22.5% to $510.61M, moving the operating margin from 12.6% to 14.2%. Free cash flow was $389.26M, up 33.6% from a year earlier. At the latest close the market valued the company at $6.79B, 18.5 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $6.79B
- P/E ratio
- 18.5
- Price to sales
- 1.89
- Price to book
- 1.97
- Dividend yield
- –
- Free cash flow yield
- 5.74%
Fundamentals
- Revenue
- $3.60B
- Net income
- $373.55M
- EPS, diluted
- $6.94
- Free cash flow
- $389.26M
- Book value per share
- $64.90
- Diluted shares
- 53M
Trading
- Next earnings
- Jan 28, 2027 (estimated, during market hours)
- Previous close
- $128.17
- Open
- $126.88
- Day's range
- $126.06 – $129.34
- Volume
- 433,395
- Average volume (20 days)
- 755,238
- Index membership
- S&P MidCap 400, Russell 1000, Russell 3000
- Beta (5 years)
- 0.95
- 52-week range
- $105.10 – $157.69
- RSI (14 days)
- 43.8
- Volatility (1 year)
- 29.0%
- Relative volume
- 0.78×
- WACC
- 8.9%
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Index membership is inferred from the holdings of funds that track each index (IJH, SPMD, 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 2011, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | KEX | S&P 500 | Difference | KEX per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -5.4% | -2.7% | −2.7 pts | ||
| 3 months | -5.5% | -1.7% | −3.7 pts | ||
| Year to date | +16.6% | +11.9% | +4.7 pts | ||
| 1 year | +16.3% | +12.0% | +4.3 pts | ||
| 3 years | +67.9% | +78.2% | −10.3 pts | +18.8% | +21.2% |
| 5 years | +120.4% | +73.2% | +47.1 pts | +17.1% | +11.6% |
| 10 years | +106.8% | +309.6% | −202.9 pts | +7.5% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Kirby filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Results
- News
About Kirby
Water Transportation
Kirby Corporation operates domestic tank barges and provides power generation and industrial equipment services. Through its marine transportation division, the company moves bulk liquid cargoes including petrochemicals, black oil, refined petroleum products, and agricultural chemicals, alongside coastal dry-bulk commodities. Its distribution and services segment supplies equipment, genuine replacement parts, and maintenance services for engines, transmissions, electric motors, and power generation systems across marine, on-highway, power generation, and industrial markets. In addition, the segment rents equipment and manufactures specialized units for data centers and oilfield service clients.
Company profile, executives and historyKirby stock: common questions
What is Kirby's stock price?
KEX closed at $128.51 on Nov 12, 2026, up 0.27% on the day. Over the past 52 weeks it traded between $105.10 and $157.69.
What is Kirby's market cap?
Kirby was worth $6.79B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is KEX's P/E ratio?
KEX trades at 18.5 times earnings, based on diluted earnings per share of $6.94 over the twelve months to Sep 30, 2026.
How much revenue does Kirby make?
Kirby reported revenue of $3.60B for the twelve months to Sep 30, 2026, up 8.5% from a year earlier.
Does Kirby pay a dividend?
No. Kirby has not paid a cash dividend over the last twelve months.
When does Kirby report earnings next?
Kirby is expected to report Q4 FY2026 results on Jan 28, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.
How has KEX stock performed over the past year?
Including dividends, KEX returned +16.3% over the past year, against +12.0% for the S&P 500.
How many KEX shares are sold short?
2M shares were sold short at the latest FINRA report, 4.63% of the float, or 3.5 days of average trading volume.
Who are Kirby's competitors?
Companies most similar to Kirby by business, industry and size include TDW, INSW, TNK, MATX, VIK.
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