MARATHON PETROLEUM CORPORATION (MPC) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MPC. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 1,916 institutions reported holding MPC, with 216.3 million shares worth $55.3 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Vanguard | 37,909,594 | $9.7B | DECREASED |
| BlackRock | 26,006,017 | $6.6B | INCREASED |
| State Street | 18,471,905 | $4.7B | DECREASED |
| Geode Capital Management | 8,351,157 | $2.1B | INCREASED |
| Morgan Stanley | 5,887,382 | $1.5B | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Shawn M Lyon (SVP Log & Storage, MPLX GP LLC) | SELL | 1,000 | $376K | 2026-08-31 |
| Shawn M Lyon (SVP Log & Storage, MPLX GP LLC) | SELL | 425 | $157K | 2026-08-28 |
| Erin M Brzezinski (VP and Controller) | SELL | 570 | $207K | 2026-08-27 |
| Molly R Benson (Chief Legal Ofc & Corp Sec) | EXERCISE | 5,000 | $239K | 2026-08-17 |
| Molly R Benson (Chief Legal Ofc & Corp Sec) | EXERCISE | 5,000 | $239K | 2026-08-17 |
Recent Congressional Trades
| Member | Type | Amount | Date |
|---|---|---|---|
| David J. Taylor (Republican) | SALE | $1,001 - $15,000 | 2026-09-22 |
| David J. Taylor (Republican) | SALE | $1,001 - $15,000 | 2026-07-24 |
| David J. Taylor (Republican) | SALE | $1,001 - $15,000 | 2026-07-23 |
Full institutional holdings, insider history, and congressional trades for MARATHON PETROLEUM CORPORATION on SentiSense.