MPC vs WMB
MPC: Marathon Petroleum is one of the largest oil refining companies in the US, converting crude oil into gasoline, diesel, and other petroleum products at scale. WMB: Williams Companies operates one of North America's largest natural gas transmission and energy infrastructure networks, moving and storing gas, liquids, and power across the continent.
Side-by-side fundamentals
| Metric | MPC | WMB | Edge |
|---|---|---|---|
| Price as of 2026-07-09 close | $283.30 | $75.27 | |
| Market cap as of 2026-07-10 | $81.9B | $95.3B | |
| P/E as of 2026-07-10 | 17.69 | 34.14 | MPC lower |
| PEG as of 2026-07-10 | 0.16 | 1.61 | MPC lower |
| Net margin as of 2026-07-10 | +3.4% | +23.4% | WMB higher |
| Gross margin as of 2026-07-10 | +11.9% | +82.3% | WMB higher |
| Operating margin as of 2026-07-10 | +6.5% | +37.1% | WMB higher |
| ROE as of 2026-07-10 | +27.3% | +22.0% | MPC higher |
| ROA as of 2026-07-10 | +5.5% | +4.9% | MPC higher |
| Debt / equity as of 2026-07-10 | 1.96 | 2.33 | MPC lower |
| Revenue growth (YoY) as of 2026-07-10 | -0.9% | +10.7% | WMB higher |
| Revenue CAGR (3y) SEC XBRL | -9.2% | +2.9% | WMB higher |
| Dividend yield as of 2026-07-10 | +1.4% | +2.8% | WMB higher |
| Dividend streak (yrs) SEC XBRL | 5 | 5 | Tie |
| Beta as of 2026-07-10 | 0.53 | 0.62 | |
| 1-year return as of 2026-07-09 close | +58.0% | +30.5% | MPC higher |
Fundamentals: Finnhub, as of 2026-07-10. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-09.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.