MPLX LP (MPLX) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MPLX. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 625 institutions reported holding MPLX, with 190.2 million shares worth $10.7 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Alps Advisors | 28,601,592 | $1.6B | INCREASED |
| Invesco Ltd | 18,273,448 | $1.0B | INCREASED |
| Blackstone | 12,956,943 | $730M | DECREASED |
| Goldman Sachs | 11,329,340 | $638M | DECREASED |
| Tortoise Capital Advisors | 10,500,469 | $591M | DECREASED |
Full institutional holdings, insider history, and congressional trades for MPLX LP on SentiSense.