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 2025 vs. Q1 2025
How the institutions holding MPLX LP changed between Q1 2025 and Q2 2025.
All holders in Q2 2025All holders in Q1 2025
| Measure | Q1 2025 | Of which not filed for Q2 2025 | Q2 2025 | Change |
|---|---|---|---|---|
| Holders | 570 | 9 | 575 | +14 |
| Shares | 218.0M | 1.17M | 217.1M | +306.4K (+0.1%) |
| Value | $11.6B | $62.5M | $11.2B | −$414.1M (−3.6%) |
9 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (63)
Institutions that held MPLX LP at the end of Q2 2025 but not at the end of Q1 2025.
Sold out (49)
Institutions that held MPLX LP at the end of Q1 2025 and filed for Q2 2025 without it.
Not filed for Q2 2025 yet (9)
Institutions that held MPLX LP at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q1 2025 | Value, Q1 2025 |
|---|---|---|
| Beach Investment Counsel Inc | 848,333 | $45.4M |
| Glenmede Trust Co NA | 206,974 | $11.1M |
| CAPROCK Group, Inc. | 39,486 | $2.11M |
| Lindbrook Capital, LLC | 35,919 | $1.92M |
| Sheaff Brock Investment Advisors, LLC | 21,657 | $1.16M |
| Sabal Trust CO | 7,038 | $376.7K |
| Stillwater Wealth Management Group | 4,500 | $240.8K |
| Marcum Wealth, LLC | 4,045 | $216.5K |
| Nova Wealth Management, Inc. | 113 | $6.05K |