Marathon Petroleum Corporation, together with its subsidiaries, operates as an integrated downstream energy company primarily in the United States. It operates in two segments, Refining & Marketing, and Midstream. The Refining & Marketing segment refines crude oil and other feedstocks at its refineries in the Gulf Coast, Mid-Continent, and West Coast regions of the United States; and purchases refined products and ethanol for resale. Its refined products include transportation fuels, such as reformulated gasolines and blend-grade gasolines; heavy fuel oil; and asphalt. This segment also manufactures aromatics, propane, propylene, and sulfur. It sells refined products to wholesale marketing customers in the United States and internationally, buyers on the spot market, and independent entrepreneurs who operate primarily Marathon branded outlets, as well as through long-term fuel supply contracts to direct dealer locations primarily under the ARCO brand. The Midstream segment transports, stores, distributes, and markets crude oil and refined products through refining logistics assets, pipelines, terminals, towboats, and barges; gathers, processes, and transports natural gas; and gathers, transports, fractionates, stores, and markets natural gas liquids. As of December 31, 2021, the company operated 7,159 brand jobber outlets in 37 states, the District of Columbia, and Mexico through independent entrepreneurs. Marathon Petroleum Corporation was founded in 1887 and is headquartered in Findlay, Ohio.

Investor	Date	% Owned	Market Value	Shares	Chg. Shares	Chg. Shares %	% Portfolio
The Vanguard Group, Inc.	2025-09-30	12.75594%	$7.39B	38.3M	-521.4K	-1.3%	0.1%
BlackRock, Inc.	2025-09-30	7.45209%	$4.32B	22.4M	-1.0M	-4.3%	0.1%
State Street Global Advisors, Inc.	2025-09-30	5.95019%	$3.45B	17.9M	-554.0K	-3.0%	0.1%
Vanguard Index Funds - Vanguard Total Stock Market ETF	2025-10-31	3.17378%	$1.84B	9.5M	-26.7K	-0.3%	0.1%
Wellington Management Group LLP	2025-09-30	3.11688%	$1.81B	9.4M	-2.3M	-19.8%	0.3%
Geode Capital Management, LLC
Vanguard Index Funds - Vanguard S&P 500 ETF
Vanguard Index Funds - Vanguard Mid-Cap ETF
Boston Partners Global Investors, Inc.
Raymond James Financial, Inc.
The Select Sector SPDR Trust - State Street Energy Select Sector SPDR ETF
BNY Asset Management
Harris Associates L.P.
Fidelity Concord Street Trust - Fidelity 500 Index Fund
iShares Trust - iShares Core S&P 500 ETF
SPDR S&P 500 ETF
Northern Trust Global Investments
Dimensional Fund Advisors LP
Morgan Stanley
Norges Bank Investment Management

Marathon Petroleum Corporation

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