What is Marathon Petroleum's market cap?

Marathon Petroleum (MPC) has a market capitalization of $91.1B as of July 29, 2026. Market cap is the total market value of the company's outstanding shares (share price × shares outstanding), shown here in US dollars (USD).

How is Marathon Petroleum's market cap calculated, and what currency is it in?

Market capitalization is calculated by multiplying Marathon Petroleum's share price by its total shares outstanding. Although Marathon Petroleum reports its financial statements in USD, market cap on this page is shown in US dollars (USD) for comparability with other companies.

What is the highest market cap Marathon Petroleum has reached?

Marathon Petroleum (MPC) reached its all-time high market cap of $94.3B on July 21, 2026, based on daily closing values in our history.

What is the lowest market cap Marathon Petroleum has reached?

Marathon Petroleum (MPC) recorded its all-time low market cap of $9.69B on September 30, 2011 in the available daily history.

Is Marathon Petroleum's market cap above or below its 5-year average?

At $91.1B, Marathon Petroleum's market cap is currently above its five-year average of $56.3B.

What was Marathon Petroleum's market cap in 2025?

Marathon Petroleum (MPC) ended 2025 with a market cap of $49.6B.

What was Marathon Petroleum's market cap in 2026?

Marathon Petroleum (MPC) ended 2026 with a market cap of $91.1B.

Marathon Petroleum (MPC) Market Cap 2011-2026

Current

$91.1B

As of Jul 29, 2026

5-Year Average

$56.3B

All-Time High

$94.3B

Jul 21, 2026

All-Time Low

$9.69B

Sep 30, 2011

Market cap daily chart for Marathon Petroleum (MPC)

Aug 2, 2021 – Jul 29, 2026 · 1,253 trading days

Market Cap growth chart for Marathon Petroleum (MPC) from 2017 to 2026

Latest: +83.6%

Market Cap history table for Marathon Petroleum (MPC) from 2011 to 2026


2026	$91.1B	+83.6%	+$41.5B	Jul 29, 2026	May 5, 2026
2025	$49.6B	+4.3%	+$2.03B	Dec 31, 2025	Feb 26, 2026
2024	$47.6B	-21.6%	-$13.1B	Dec 31, 2024	Feb 27, 2025
2023	$60.7B	+1.0%	+$622M	Dec 31, 2023	Feb 28, 2024
2022	$60.1B	+47.1%	+$19.2B	Dec 31, 2022	Feb 23, 2023
2021	$40.8B	+52.1%	+$14B	Dec 31, 2021	Feb 24, 2022
2020	$26.8B	-32.9%	-$13.2B	Dec 31, 2020	Feb 26, 2021
2019	$40B	+28.9%	+$8.97B	Dec 31, 2019	Feb 28, 2020
2018	$31B	-8.1%	-$2.74B	Dec 31, 2018	Feb 28, 2019
2017	$33.8B	+26.4%	+$7.06B	Dec 31, 2017	Feb 28, 2018
2016	$26.7B	-4.9%	-$1.37B	Dec 31, 2016	Feb 24, 2017
2015	$28.1B	+8.5%	+$2.19B	Dec 31, 2015	Feb 26, 2016
2014	$25.9B	-11.1%	-$3.22B	Dec 31, 2014	Feb 27, 2015
2013	$29.1B	+35.1%	+$7.57B	Dec 31, 2013	Feb 28, 2014
2012	$21.5B	+81.4%	+$9.67B	Dec 31, 2012	Feb 28, 2013
2011	$11.9B	—	—	Dec 31, 2011	Feb 29, 2012

2026$91.1B+83.6%
2025$49.6B+4.3%
2024$47.6B-21.6%
2023$60.7B+1.0%
2022$60.1B+47.1%
2021$40.8B+52.1%
2020$26.8B-32.9%
2019$40B+28.9%
2018$31B-8.1%
2017$33.8B+26.4%
2016$26.7B-4.9%
2015$28.1B+8.5%
2014$25.9B-11.1%
2013$29.1B+35.1%
2012$21.5B+81.4%
2011$11.9B—

Market Cap values are taken from Marathon Petroleum's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at Marathon Petroleum (MPC)

According to Marathon Petroleum's latest reported financial statements, the company's latest reported market cap is $72B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending March 31, 2026 (reported May 5, 2026). Chart and table below cover the full reported history back to 2011.

As of the 2026 fiscal year, Marathon Petroleum (MPC) reported market cap of $91.1B – surged 83.6% year-over-year.

Across 2021–2026 (5 years), Marathon Petroleum market cap produced a CAGR of +17.4% – sustaining 2 straight years of year-over-year growth.

The highest annual market cap of $91.1B was reported in 2026. The lowest in the available history was $11.9B in 2011.

Marathon Petroleum Market Cap by Year

Marathon Petroleum Market Cap 2026: $91.1B

Marathon Petroleum posted market cap of $91.1B in 2026, surged 83.6% from 2025. This figure represents the highest annual value in the available history.

Marathon Petroleum Market Cap 2025: $49.6B

In 2025, Marathon Petroleum reported market cap of $49.6B, edged up 4.3% from 2024.

Marathon Petroleum Market Cap 2024: $47.6B

Marathon Petroleum market cap in 2024 was $47.6B, declined 21.6% below 2023.

Marathon Petroleum Market Cap 2023: $60.7B

2023's market cap for Marathon Petroleum came in at $60.7B, edged up 1.0% from 2022.

Marathon Petroleum Market Cap 2022: $60.1B

Marathon Petroleum market cap in 2022 was $60.1B.

See more financial history for Marathon Petroleum (MPC).

Sector peers by Market Cap

Energy peers of Marathon Petroleum (MPC), ranked by their latest market cap


Chevron (CVX)	$382B
ConocoPhillips (COP)	$144B
Enbridge (ENB)	$120B
Valero Energy (VLO)	$89.5B
Williams Companies (WMB)	$85.8B
Phillips 66 (PSX)	$82.9B
EOG Resources (EOG)	$77.7B
SLB (SLB)	$73.2B

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