MPC vs WMB: Which Stock Is the Better Buy?
Marathon Petroleum Corporation and The Williams Companies, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Energy.
AI verdict — MPC vs WMB, read from the filings
The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.
| Marathon Petroleum Corporation (MPC) | The Williams Companies, Inc. (WMB) | |
|---|---|---|
| Market cap | $92.4B | $87.5B |
| Revenue (latest FY) | $135.22B | $11.95B |
| Net income (latest FY) | $4.05B | $2.62B |
| Revenue growth (5y CAGR) | 14.1% | 9.1% |
| Net margin | 3.0% | 21.9% |
| Return on equity | 23.4% | 20.4% |
| P/E ratio | 20.8 | 31.4 |
| Dividend yield | 1.3% | 2.9% |
| Profitable years (of last 10) | 9 | 8 |
| Positive free cash flow | Yes | Yes |
Verify the comparison
Use the filing period and source shown by each tool before treating two figures as comparable.
See the full MPC vs WMB breakdown
Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.
Open MPC's full financials → Open WMB's full financials →Frequently asked questions
Which is bigger, MPC or WMB?
Marathon Petroleum Corporation is larger by market capitalization — $92.4B versus $87.5B.
Which grows faster, MPC or WMB?
Over the last five fiscal years, Marathon Petroleum Corporation grew revenue faster — 14.1%/yr versus 9.1%/yr, computed from SEC-filed statements.
Where does this data come from?
All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.