Filing Flows › Marathon Petroleum (MPC) › Who owns the stock
Who owns Marathon Petroleum (MPC) stock
2,005 funds reported Marathon Petroleum (MPC) shares in their latest 13F filings, worth $60.8B in all. The largest holder is BlackRock ($6.6B). Last quarter 755 funds added to their stakes and 726 cut them. Members of Congress and other officials disclosed 6 trades (0 buys, 6 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 26,006,017 | $6.6B | increase | 2026-06-30 |
| Vanguard Group | 38,291,917 | $6.2B | decrease | 2025-12-31 |
| Vanguard Capital Management LLC | 19,074,289 | $4.9B | decrease | 2026-06-30 |
| State Street | 18,471,905 | $4.7B | decrease | 2026-06-30 |
| Vanguard Portfolio Management LLC | 15,631,265 | $4.0B | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 8,351,157 | $2.1B | increase | 2026-06-30 |
| Morgan Stanley | 5,887,382 | $1.5B | decrease | 2026-06-30 |
| Raymond James Financial | 5,684,963 | $1.5B | decrease | 2026-06-30 |
| FMR LLC | 5,419,718 | $1.4B | increase | 2026-06-30 |
| Bank of New York Mellon | 4,027,107 | $1.0B | increase | 2026-06-30 |
| Amundi | 2,307,275 | $912M | increase | 2026-09-30 |
| Boston Partners | 3,515,417 | $906M | decrease | 2026-06-30 |
| Wellington Management Group LLP | 3,252,153 | $831M | decrease | 2026-06-30 |
| Northern Trust | 3,126,059 | $799M | decrease | 2026-06-30 |
| Dimensional Fund Advisors LP | 3,056,082 | $781M | decrease | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-10-15 | David J. Taylor | sale | $1K–$15K |
| 2026-09-22 | David J. Taylor | sale | $1K–$15K |
| 2026-07-24 | David J. Taylor | sale | $1K–$15K |
| 2026-07-10 | Dan Newhouse | partial sale | $1K–$15K |
| 2026-03-11 | David J. Taylor | sale | $1K–$15K |
| 2026-02-26 | David J. Taylor | sale | $1K–$15K |
Marathon Petroleum's latest quarter
Marathon Petroleum, Q3 2026: revenue $56.0B (+61% year over year), operating margin 18.7%, net earnings $7.4B, operating cash flow $10.7B. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most MPC stock?
By the latest 13F filings: BlackRock ($6.6B); Vanguard Group ($6.2B); Vanguard Capital Management LLC ($4.9B); State Street ($4.7B); Vanguard Portfolio Management LLC ($4.0B).
Has Congress traded MPC stock?
Officials disclosed 6 trades on file: 0 buys and 6 sales. The latest: David J. Taylor, sale on 2026-10-15.
What is the short interest in MPC?
7,145,349 shares were sold short at the 2026-10-15 settlement, 1.5% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.