MARATHON PETROLEUM CORP (MPC) Stock Institutional Trading Activity


MARATHON PETROLEUM CORP (MPC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Sequoia Financial Advisors, Matrix Advisors Value Fund, Cullen Value Fund, Renaissance Technologies LLC, and Mairs & Power Growth Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2023Sequoia Financial AdvisorsSell-1,34411,975$1,396,336
Q1 2023Renaissance Technologies LLCSell-1,179,900751,899$101,379
Q1 2023Sequoia Financial AdvisorsSell-1,22313,319$1,795,824
Q4 2022Renaissance Technologies LLCBuy292,5001,931,799$224,842
Q4 2022Sequoia Financial AdvisorsBuy3,71014,542$1,692,555
Q3 2022Sequoia Financial AdvisorsSell-1,94910,832$1,076
Q3 2022Renaissance Technologies LLCSell-1,185,7001,639,299$162,832
Q2 2022Sequoia Financial AdvisorsSell-47,77212,781$1,051
Q2 2022Renaissance Technologies LLCBuy2,819,3992,824,999$232,243
Q1 2022Mairs & Power Growth FundBuy2,5002,500$214
Q1 2022Renaissance Technologies LLCSell-905,4995,600$479
Q1 2022Sequoia Financial AdvisorsSell-14,94560,553$5,178
Q4 2021Sequoia Financial AdvisorsBuy69,52175,498$4,831
Q3 2021Sequoia Financial AdvisorsSell-57,2805,977$369
Q3 2021Renaissance Technologies LLCBuy178,300911,099$56,315
Q2 2021Sequoia Financial AdvisorsBuy1,11863,257$3,822
Q2 2021Renaissance Technologies LLCBuy321,000732,799$44,276
Q1 2021Sequoia Financial AdvisorsBuy2,64462,139$3,324
Q1 2021Renaissance Technologies LLCSell-1,980,400411,799$22,027
Q4 2020Sequoia Financial AdvisorsBuy8,33059,495$2,461
Q4 2020Baupost GroupBuy7,690,7217,690,721$318,088
Q3 2020Sequoia Financial AdvisorsBuy51,16551,165$1,501
Q2 2020Sequoia Financial AdvisorsSell-24,6950$1,051
Q1 2020Sequoia Financial AdvisorsSell-52,11224,695$583
Q1 2020Eagle Capital ManagementBuy15,20015,200$359
Q4 2019Sequoia Financial AdvisorsBuy3,47876,807$4,628
Q4 2019First Eagle U.S. ValueSell-35,800744,771$44,872
Q4 2019Renaissance Technologies LLCBuy1,787,3002,392,199$144,130
Q4 2019Causeway Capital ManagementSell-559,0793,672,915$221,293
Q3 2019Sequoia Financial AdvisorsSell-78273,329$4,455

Frequently asked questions about MPC activity

  • Which institutional owners are buying MPC?

    Institutional owners buying MPC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MPC activity?

    "Buy" means an investor increased their reported position in MPC compared to the prior reporting period. This reflects growing exposure to MARATHON PETROLEUM CORP (MPC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MPC increasing?

    Institutional interest in MPC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.