Shares Outstanding for Marathon Petroleum (MPC)
According to Marathon Petroleum's latest reported financial statements, the company's latest reported diluted shares outstanding is 299.00M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
Currently viewingShares OutstandingSwitch metric
Latest period
299.00M
YoY change
-10.6%
5Y CAGR
-14.0%
Peak year (2008)
716.00M
Latest annual
305.00M
Shares Outstanding history chart for Marathon Petroleum (MPC) from 2008 to 2025
Shares Outstanding history table for Marathon Petroleum (MPC) from 2008 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 305.00M | -10.6% | ||
| 2024 | 341.00M | -16.6% | ||
| 2023 | 409.00M | -20.7% | ||
| 2022 | 516.00M | -19.1% | ||
| 2021 | 638.00M | -1.7% | ||
| 2020 | 649.00M | -2.3% | ||
| 2019 | 664.00M | +26.2% | ||
| 2018 | 526.00M | +2.7% | ||
| 2017 | 512.00M | -3.5% | ||
| 2016 | 530.77M | -2.1% | ||
| 2015 | 542.00M | -5.6% | ||
| 2014 | 574.03M | -9.6% | ||
| 2013 | 634.94M | -7.2% | ||
| 2012 | 684.13M | -4.2% | ||
| 2011 | 714.00M | -0.3% | ||
| 2010 | 716.00M | 0.0% | ||
| 2009 | 716.00M | 0.0% | ||
| 2008 | 716.00M | — |
Shares Outstanding values are taken from Marathon Petroleum's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
In 2025, Marathon Petroleum (MPC) diluted shares outstanding totalled 305.00M – declined 10.6% year-over-year.
Marathon Petroleum diluted shares outstanding compound annual growth for the 2020–2025 (5 years) window is -14.0%, with a net decline across the window.
Marathon Petroleum diluted shares outstanding plunged from 716.00M in 2008 to 305.00M in 2025, a 57.4% drawdown.
The dataset's maximum diluted shares outstanding sits at 716.00M (2008); the minimum reading of 305.00M dates to 2025.
Among 8 Energy peers, Marathon Petroleum (MPC) ranks 9th; the peer median for diluted shares outstanding is 1.37B.
Marathon Petroleum Shares Outstanding by Year
Marathon Petroleum Shares Outstanding 2025: 305.00M
Marathon Petroleum diluted shares outstanding in 2025 was 305.00M, declined 10.6% below 2024. This figure represents the lowest annual value in the available history.
Marathon Petroleum Shares Outstanding 2024: 341.00M
Marathon Petroleum diluted shares outstanding in 2024 was 341.00M, declined 16.6% below 2023.
Marathon Petroleum Shares Outstanding 2023: 409.00M
Marathon Petroleum diluted shares outstanding in 2023 was 409.00M, declined 20.7% below 2022.
Marathon Petroleum Shares Outstanding 2022: 516.00M
Marathon Petroleum diluted shares outstanding in 2022 was 516.00M, declined 19.1% below 2021.
Marathon Petroleum Shares Outstanding 2021: 638.00M
Marathon Petroleum diluted shares outstanding in 2021 was 638.00M.
See more financial history for Marathon Petroleum (MPC).
Sector peers — Shares Outstanding
Companies in the same sector as Marathon Petroleum, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| Exxon Mobil Corporation (XOM) | 4.30B | Energy |
| Enbridge Inc. (ENB) | 2.19B | Energy |
| Chevron Corporation (CVX) | 1.86B | Energy |
| SLB N.V. (SLB) | 1.49B | Energy |
| ConocoPhillips (COP) | 1.25B | Energy |
| The Williams Companies, Inc. (WMB) | 1.22B | Energy |
| EOG Resources, Inc. (EOG) | 539.23M | Energy |
| Valero Energy Corporation (VLO) | 309.00M | Energy |
Frequently asked questions
What is Marathon Petroleum's diluted shares outstanding?
- Latest reported diluted shares outstanding for Marathon Petroleum (MPC) is 299.00M (period ending December 31, 2025).
How has Marathon Petroleum diluted shares outstanding changed year-over-year?
- Marathon Petroleum (MPC) diluted shares outstanding changed -10.6% year-over-year on the latest annual filing.
What is the long-term growth rate of Marathon Petroleum diluted shares outstanding?
- Marathon Petroleum (MPC) diluted shares outstanding compound annual growth rate is -14.0% over the most recent 5 years available.
When did Marathon Petroleum diluted shares outstanding hit its highest annual value?
- Marathon Petroleum diluted shares outstanding reached its highest annual value of 716.00M in 2008.
What was Marathon Petroleum diluted shares outstanding in 2024?
- Marathon Petroleum (MPC) diluted shares outstanding in 2024 was 341.00M.
What was Marathon Petroleum diluted shares outstanding in 2025?
- Marathon Petroleum (MPC) diluted shares outstanding in 2025 was 305.00M.
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