Quick Answer
Marathon Petroleum Corp reported Shares Outstanding of 357.00 million shares for fiscal year 2011.
Marathon Petroleum Corp Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2011 | 357.00M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2011 | 357.00M | — | — |
- The most recent figure is from Marathon Petroleum Corp’s fiscal year 2011 report (Form 10-K), filed with the SEC on February 29, 2012.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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