MPLX LP
MPLX- Exchange
- NYSE
- Industry
- Pipe Lines (No Natural Gas)
- SEC CIK
- 0001552000
No open-market purchases or sales by MPLX LP insiders were filed in the last 90 days; 639 institutions reported holding it in 13F filings for Q2 2026, worth $11.1B in total; Appaloosa is the only superinvestor holding it.
Q2 2026 vs. Q1 2026
How the institutions holding MPLX LP changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Of which not filed for Q2 2026 | Q2 2026 | Change |
|---|---|---|---|---|
| Holders | 646 | 9 | 639 | +2 |
| Shares | 202.7M | 692.7K | 196.3M | −5.77M (−2.9%) |
| Value | $11.6B | $39.5M | $11.1B | −$473.1M (−4.1%) |
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (59)
Institutions that held MPLX LP at the end of Q2 2026 but not at the end of Q1 2026.
Sold out (57)
Institutions that held MPLX LP at the end of Q1 2026 and filed for Q2 2026 without it.
Not filed for Q2 2026 yet (9)
Institutions that held MPLX LP at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| U.S. Capital Wealth Advisors, LLC | 577,581 | $33.0M |
| Jackson Hole Capital Partners, LLC | 69,650 | $3.97M |
| Exencial Wealth Advisors, LLC | 25,685 | $1.47M |
| CWM, LLC | 7,894 | $450.5K |
| Jaffetilchin Investment Partners, LLC | 4,328 | $247.0K |
| Stillwater Wealth Management Group | 4,200 | $239.7K |
| Anfield Capital Management, LLC | 1,801 | $102.8K |
| McIlrath & Eck, LLC | 1,298 | $74.1K |
| Sunbelt Securities, Inc. | 288 | $16.4K |