Marathon Petroleum
Market cap
$130.117 B
$463.34 +4.77%
Close of 9 Oct 2026
As of 9 Oct 2026, Marathon Petroleum (MPC) has a market capitalization of $130.1B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
$132.7B
#27 by revenue
Earnings
$4.05B
#126 by earnings
Shares outstanding
280,824,763
Latest filing cover page
P/E ratio
32.2
Cap ÷ net income
Integrated oil Companies, ranked by market cap
All 16 →- #2ChevronCVX$418.0B
- #3ConocophillipsCOP$161.2B
- #4Marathon PetroleumMPC$130.1B
- #5Valero EnergyVLO$127.8B
- #6BpBP$121.4B
What if Marathon Petroleum were worth as much as…
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Share counts and financials for Marathon Petroleum are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 10 Oct 2026. Read the methodology.