MARATHON PETROLEUM CORP (MPC) Institutional Ownership Changes & 13F Activity

MARATHON PETROLEUM CORP (MPC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Matrix Advisors Value Fund, Sequoia Financial Advisors, Mairs & Power Growth Fund, Cullen Value Fund, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Matrix Advisors Value FundBuy854854$208,530
Q1 2026Sequoia Financial AdvisorsSell-32021,203$5,177,421
Q1 2026Mairs & Power Growth FundBuy891,390$339,410
Q1 2026Cullen Value FundBuy159,905$2,418,489
Q4 2025Renaissance Technologies LLCBuy42,200177,899$28,931,714
Q4 2025Sequoia Financial AdvisorsBuy5,16321,523$3,500,257
Q4 2025Cullen Value FundSell-269,890$1,742,347
Q3 2025Sequoia Financial AdvisorsSell-82216,360$3,153,166
Q3 2025Cullen Value FundSell-6519,916$1,915,182
Q3 2025Mairs & Power Growth FundBuy3011,301$250,755
Q2 2025Cullen Value FundSell-10,28310,567$1,755,309
Q2 2025Sequoia Financial AdvisorsBuy2917,182$2,854,082
Q1 2025Cullen Value FundSell-28,25920,850$3,037,659
Q1 2025Sequoia Financial AdvisorsBuy59917,153$2,499,013
Q4 2024Renaissance Technologies LLCSell-45,411135,699$18,930,011
Q4 2024Cullen Value FundSell-5,97549,109$6,850,712
Q4 2024Sequoia Financial AdvisorsBuy1,19316,554$2,309,256
Q3 2024Renaissance Technologies LLCBuy120,211181,110$29,504,630
Q3 2024Cullen Value FundBuy4,28455,084$8,973,685
Q3 2024Sequoia Financial AdvisorsBuy1,00615,361$2,502,465
Q2 2024Cullen Value FundBuy1,60750,800$8,812,853
Q2 2024Sequoia Financial AdvisorsBuy45914,355$2,490,293
Q1 2024Renaissance Technologies LLCSell-897,87660,899$12,271
Q1 2024Cullen Value FundBuy3,75649,193$10,398,445
Q1 2024Sequoia Financial AdvisorsSell-2,19413,896$2,799,951
Q1 2024Mairs & Power Growth FundSell-1,5001,000$201,500
Q4 2023Cullen Value FundBuy45,43745,437$6,740,962
Q4 2023Renaissance Technologies LLCBuy15,976958,775$142,244
Q4 2023Sequoia Financial AdvisorsBuy4,37616,090$2,387,178
Q3 2023Renaissance Technologies LLCBuy761,900942,799$142,683

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.

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