MPC (MARATHON PETE CORP) is held by 308 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($6.6B), VANGUARD CAPITAL MANAGEMENT LLC ($4.9B), STATE STREET CORP ($4.7B). Net institutional sentiment: Mixed. In Q2 2026, 3 members of Congress and 157 funds bought MPC.
308
Holders
(30 Elite)
$51B
Total Value
50% (311)
Consensus
157 buying - 154 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 15, 2026 · Insiders Sep 1, 2026 · Activists Apr 30, 2026 · Congress Aug 6, 2026
InsiderLMLyon Shawn MSell $376KAug 31, 2026
InsiderLMLyon Shawn MSell $157KAug 28, 2026
InsiderBMBrzezinski Erin MSell $207KAug 27, 2026
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Top Holders
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer