Number of shares outstanding for Marathon Petroleum (MPC)

Number of shares outstanding as of December 2025 : 303,000,000

According to Marathon Petroleum's latest financial reports and stock price the company's current number of shares outstanding is 303,000,000. At the end of 2025 the company had 303,000,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Marathon Petroleum from 2015 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.30 B	-5.31%
2024	0.32 B	-14.89%
2023	0.37 B	-19.14%
2022	0.46 B	-23.14%
2021	0.60 B	-6.92%
2020	0.65 B	0.31%
2019	0.64 B	-5.68%
2018	0.68 B	40.78%
2017	0.48 B	-7.22%
2016	0.52 B	-0.94%
2015	0.53 B

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Phillips 66 PSX	404,508,000	33.50%	🇺🇸 USA
Valero Energy VLO	309,000,000	1.98%	🇺🇸 USA
HollyFrontier HFC	161,869,492	-46.58%	🇺🇸 USA
Chevron CVX	1,938,922,000	539.91%	🇺🇸 USA
Exxon Mobil XOM	4,288,636,364	1,315.39%	🇺🇸 USA
BP BP	2,586,490,000	753.63%	🇬🇧 UK
Delek US DK	60,190,054	-80.14%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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