Last updated Aug 4, 2026
Marathon Petroleum Corp (MPC) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in MPC. Across our datasets, 3 superinvestors hold MPC and 6 members of Congress have traded it.
Notable holders include Ray Dalio, Mairs & Power, and Christopher Bloomstran. Active congressional traders include David Taylor, Rob Bresnahan, and Dan Newhouse.
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