Kinder Morgan (KMI) vs Williams Companies (WMB)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Kinder Morgan (KMI) has outperformed Williams Companies (WMB) over the past year, gaining 13.6% versus a gain of 11.7%. Over five years, WMB leads with a +141.8% price change compared with +72.4% for KMI. Williams Companies is the larger company by market cap ($88.52 billion vs $71.77 billion), about 1.2 times the size.
On valuation, Kinder Morgan trades at a lower forward P/E (20.9x vs 27.4x for Williams Companies). Kinder Morgan offers the higher dividend yield (3.66% vs 2.83%). Williams Companies converts more of its revenue into profit, with a net margin of 21.9% versus 18.0%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | KMI | WMB |
|---|---|---|
| Share price | $32.23 | $72.37 |
| Market cap | $71.77B | $88.52B |
| 1-day change | +1.29% | +1.27% |
| YTD return | +15.75% | +18.88% |
| 1-year return | +13.60% | +11.71% |
| 5-year return | +72.37% | +141.83% |
| P/E ratio (TTM) | 20.79 | 28.83 |
| Forward P/E | 20.87 | 27.36 |
| EPS (TTM) | $1.55 | $2.51 |
| Dividend yield | 3.66% | 2.83% |
| Annual dividend | $1.18 | $2.05 |
| Revenue (latest FY) | $16.94B | $11.95B |
| Revenue growth (YoY) | +12.17% | +13.78% |
| Net income (latest FY) | $3.06B | $2.62B |
| Gross margin | 67.36% | — |
| Operating margin | 27.89% | 35.11% |
| Net margin | 18.04% | 21.91% |
| 52-week high | $34.81 | $80.08 |
| 52-week low | $25.60 | $56.19 |
| Distance from 52-week high | -7.41% | -9.63% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +11.98% | +18.09% |
| Average volume | 11.10M | 7.02M |
| Shares outstanding | 2.23B | 1.22B |
| Employees | 11,028 | 5,987 |
| Sector | Utilities | Utilities |
| Industry | Natural Gas Distribution | Natural Gas Distribution |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Williams Companies trades at a higher earnings multiple (28.8x vs 20.8x trailing P/E).
About Kinder Morgan
KMI stock →Kinder Morgan, Inc. operates as an energy infrastructure company primarily in North America.
Utilities · Natural Gas Distribution · 11,028 employees
About Williams Companies
WMB stock →The Williams Companies, Inc., together with its subsidiaries, operates as an energy infrastructure company primarily in the United States. It operates through Transmission, Power & Gulf, Northeast G&P, West, and Gas & NGL Marketing Services segments.
Utilities · Natural Gas Distribution · 5,987 employees
KMI vs WMB FAQ
Which is bigger, Kinder Morgan or Williams Companies?
Williams Companies (WMB) is larger, with a market capitalization of $88.52B compared with $71.77B for Kinder Morgan (KMI).
Which stock has performed better over the past year, KMI or WMB?
KMI returned +13.60% over the past 12 months, compared with +11.71% for WMB (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, KMI or WMB?
KMI has the lower trailing P/E at 20.8, versus 28.8 for WMB. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Kinder Morgan or Williams Companies?
Kinder Morgan has the higher yield at 3.66%, compared with 2.83% for Williams Companies.
Are Kinder Morgan and Williams Companies in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Utilities sector.