SuperworthMarathon Petroleum shares outstanding MPC
Diluted shares outstanding, averaged over each quarter, from 2010.
- Latest quarter, to Jun 30, 2026
- 290M
- On a year earlier
- −5.5%
- fewer shares
Marathon Petroleum had 290M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 5.5% fewer than a year earlier, so each share owns a little more of the company.
Shares outstanding over time
Fiscal year by fiscal year
| Fiscal year | Shares, fourth quarter | Change |
|---|---|---|
| FY2025 | 300M | −6% |
| FY2024 | 320M | −15% |
| FY2023 | 376M | −20% |
| FY2022 | 469M | −22% |
| FY2021 | 605M | −7% |
| FY2020 | 649M | −0% |
| FY2019 | 652M | −7% |
| FY2018 | 704M | +43% |
| FY2017 | 494M | −6% |
| FY2016 | 527M | −2% |
| FY2015 | 536M | −4% |
| FY2014 | 559M | −7% |
| FY2013 | 598M | −11% |
| FY2012 | 672M | −6% |
| FY2011 | 712M | n/a |
Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.
Quarter by quarter
| Quarter | Ended | Shares outstanding | On a year earlier |
|---|---|---|---|
| Q2 FY26 | 290M | −6% | |
| Q1 FY26 | 295M | −6% | |
| Q4 FY25 | 300M | −6% | |
| Q3 FY25 | 304M | −8% | |
| Q2 FY25 | 307M | −12% | |
| Q1 FY25 | 313M | −14% | |
| Q4 FY24 | 320M | −15% | |
| Q3 FY24 | 332M | −16% | |
| Q2 FY24 | 350M | −16% | |
| Q1 FY24 | 362M | −19% | |
| Q4 FY23 | 376M | −20% | |
| Q3 FY23 | 396M | −20% |
What the shares outstanding tells you
Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.
A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.
More on Marathon Petroleum
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.