Institutional shares held 235 Million
3.45M calls
2.45M puts
Total value of holdings $30B
$441M calls
$314M puts
Market Cap $63.7B
498,624,000 Shares Out.
Institutional ownership 47.05%
# of Institutions 1,737


Latest Institutional Activity in MPC

Top Purchases

Q1 2025
Demars Financial Group, LLC Shares Held: 4.71M ($602M)
Q1 2025
Sg Americas Securities, LLC Shares Held: 62.8K ($8.02M)
Q1 2025
Sowell Financial Services LLC Shares Held: 10.4K ($1.33M)
Q1 2025
Procyon Advisors, LLC Shares Held: 5.91K ($754K)
Q1 2025
Granite Bay Wealth Management, LLC Shares Held: 35.1K ($4.48M)

Top Sells

Q1 2025
Gamma Investing LLC Shares Held: 10.6K ($1.35M)
Q1 2025
Assenagon Asset Management S.A. Shares Held: 478K ($61.1M)
Q1 2025
Qrg Capital Management, Inc. Shares Held: 57.9K ($7.39M)
Q1 2025
Cx Institutional Shares Held: 10.9K ($1.4M)
Q1 2025
Cullen Investment Group, Ltd. Shares Held: 20.9K ($2.66M)

About MPC

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.


Insider Transactions at MPC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
72.6K Shares
From 25 Insiders
Grant, award, or other acquisition 63.6K shares
Open market or private purchase 9K shares
Sell / Disposition
20.1K Shares
From 9 Insiders
Payment of exercise price or tax liability 20.1K shares

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