MPLX (MPLX) 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
MPLX (MPLX) has outperformed Williams Companies (WMB) over the past year, gaining 17.7% versus a gain of 11.7%. Over five years, WMB leads with a +141.8% price change compared with +85.6% for MPLX. Williams Companies is the larger company by market cap ($88.48 billion vs $58.11 billion), about 1.5 times the size.
On valuation, MPLX trades at a lower forward P/E (11.9x vs 27.3x for Williams Companies). MPLX offers the higher dividend yield (7.51% vs 2.83%). MPLX converts more of its revenue into profit, with a net margin of 38.1% versus 21.9%.
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 | MPLX | WMB |
|---|---|---|
| Share price | $57.32 | $72.34 |
| Market cap | $58.11B | $88.48B |
| 1-day change | +0.47% | +1.23% |
| YTD return | +8.24% | +18.88% |
| 1-year return | +17.66% | +11.71% |
| 5-year return | +85.64% | +141.83% |
| P/E ratio (TTM) | 12.33 | 28.82 |
| Forward P/E | 11.89 | 27.34 |
| EPS (TTM) | $4.65 | $2.51 |
| Dividend yield | 7.51% | 2.83% |
| Annual dividend | $4.31 | $2.05 |
| Revenue (latest FY) | $13.00B | $11.95B |
| Revenue growth (YoY) | +8.92% | +13.78% |
| Net income (latest FY) | $4.95B | $2.62B |
| Operating margin | 45.72% | 35.11% |
| Net margin | 38.10% | 21.91% |
| 52-week high | $60.95 | $80.08 |
| 52-week low | $47.80 | $56.19 |
| Distance from 52-week high | -5.96% | -9.67% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +9.65% | +18.14% |
| Average volume | 1.40M | 7.02M |
| Shares outstanding | 1.01B | 1.22B |
| Employees | — | 5,987 |
| Sector | Energy | 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 12.3x trailing P/E).
- MPLX offers a meaningfully higher dividend yield (7.51% vs 2.83%).
- MPLX is more profitable, keeping 38.1 cents of every revenue dollar as net income versus 21.9 cents for Williams Companies.
- The two companies sit in different sectors: MPLX in Energy and Williams Companies in Utilities.
About MPLX
MPLX stock →MPLX LP owns and operates midstream energy infrastructure and logistics assets primarily in the United States. It operates in two segments, Crude Oil and Products Logistics; and Natural Gas and NGL Services.
Energy · Natural Gas Distribution
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
MPLX vs WMB FAQ
Which is bigger, MPLX or Williams Companies?
Williams Companies (WMB) is larger, with a market capitalization of $88.48B compared with $58.11B for MPLX (MPLX).
Which stock has performed better over the past year, MPLX or WMB?
MPLX returned +17.66% 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, MPLX or WMB?
MPLX has the lower trailing P/E at 12.3, 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, MPLX or Williams Companies?
MPLX has the higher yield at 7.51%, compared with 2.83% for Williams Companies.
Are MPLX and Williams Companies in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Energy sector.