ValuationViz

MPC fund manager activity

MARATHON PETROLEUM CORP · US. Reported by 16 tracked fund managers in their 13F filings, Q2 2013 to Q3 2026.

Q1 2026

ManagerActivitySharesValue% of portfolioFiled
Ken Fisher - Fisher Asset ManagementTrimmed18,369$4,485,5240.00%May 5, 2026
Jeremy Grantham - GMOAdded24,500$5,982,4100.02%May 14, 2026
Joel Greenblatt - Gotham Asset ManagementAdded92,386$22,558,8130.07%May 15, 2026
Mairs & Power FundsAdded1,390$339,4100.00%May 14, 2026
David Katz - Matrix Asset AdvisorsNew854$208,5300.02%Apr 22, 2026
Bill Nygren - Oakmark FundsTrimmed2,805,972$685,162,1330.92%May 15, 2026

Q4 2025

ManagerActivitySharesValue% of portfolioFiled
Ken Fisher - Fisher Asset ManagementAdded19,207$3,123,7460.00%Feb 9, 2026
Jeremy Grantham - GMOAdded5,972$971,2260.00%Feb 17, 2026
Joel Greenblatt - Gotham Asset ManagementAdded91,214$14,834,1330.05%Feb 17, 2026
Mairs & Power FundsNo change1,301$211,5820.00%Feb 17, 2026
Bill Nygren - Oakmark FundsAdded4,031,962$655,717,9030.83%Feb 17, 2026

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