MPC: who owns it, and who’s predicted to buy next
Marathon Petroleum Corp · Energy · on the Prior Moves forward board for 2026-09-30 at rank #104. Research, not investment advice.
Predicted to buy next quarter
2 tracked investors rank MPC in the top tenth of their own model’s candidates for 2026-09-30, strongest first. This is a forecast about a later filing, not a confirmation that anyone has bought the security or a recommendation to do so.
- Brad Gerstner · Altimeter
- Two Sigma
Currently disclosed holders
No investor in our tracked set discloses MPC in their latest 13F. The prediction above is a forward call, not a mirror of current holdings.
Mutual fund and ETF holders
471 US mutual funds and ETFs from 188 fund families reported a position in MPC for the quarter ending 2026-06-30. Against their own report a quarter earlier, 108 raised shares, 57 opened a new position, 221 cut and 30 sold out. Source: SEC Form N-PORT, which funds file about 60 days after quarter end. Share counts, not trades: a change can reflect fund inflows rather than a decision about MPC.
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 6 | 45.8% |
| Ishares Trust | 18 | 14.8% |
| Select Sector Spdr Trust | 1 | 10.2% |
| John Hancock Funds Iii | 2 | 2.8% |
| Vanguard Institutional Index Funds | 2 | 2.8% |
| Spdr Series Trust | 10 | 2.4% |
| Jnl Series Trust | 15 | 1.4% |
| Vanguard Fenway Funds | 1 | 1.3% |
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See the full ranked board on top picks, how the PriorScore is built on how it works, the honest edge numbers on methodology, and the running accuracy on the prediction leaderboard. Forward quarter 2026-09-30, data as of 2026-10-17. Research, not investment advice, see the disclaimer.