MPLX is a midstream energy master limited partnership that gathers, processes, transports, and stores crude oil, natural gas, and refined products, largely serving Marathon Petroleum.
| Filer | 13FScore | This quarter | Shares | Value | % of their book |
|---|---|---|---|---|---|
| David Tepper / Appaloosa | 92 | Holds (flat) | 502,460 | $28,303,572 | 0.4% |
| Ancora | 40 | Trimmed -14% | 2,850 | $160,540 | 0.0% |
Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-09-24.