Marathon Petroleum Corporation

Marathon is priced like a merchant refiner despite a 69% stable-earnings mix; dropping assets to MPLX and spinning Speedway, RefiningCo, and MidstreamCo unlocks $14-19bn (~60-80%+ upside).

Marathon's integrated structure hides $14–19bn of value; dropping all MLP-qualifying assets to MPLX and spinning Speedway, refining, and midstream into three standalone companies would lift shares 60–80%+.

Separating Marathon into three independent businesses unlocks $22-$40bn of value (60%+ upside)