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.
13F holders, Q2 2025
Institutional positions in MPLX LP as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 575
- +14 vs. Q1 2025
- Shares held
- 217.1M
- +306.4K (+0.1%) vs. Q1 2025
- Total value
- $11.2B
- −$414.1M (−3.6%) vs. Q1 2025
- New holders
- 63
- 215 more added
- Sold out
- 49
- 131 more reduced
9 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MPLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 639 | $11.1B |
| Q1 2026 | 646 | $11.6B |
| Q4 2025 | 633 | $9.52B |
| Q3 2025 | 576 | $10.5B |
| Q2 2025 | 575 | $11.2B |
| Q1 2025 | 570 | $11.6B |
| Q4 2024 | 535 | $10.4B |
| Q3 2024 | 502 | $10.3B |
| Q2 2024 | 491 | $10.2B |
| Q1 2024 | 480 | $9.32B |
| Q4 2023 | 444 | $8.15B |
| Q3 2023 | 398 | $8.18B |
| Q2 2023 | 370 | $7.62B |
| Q1 2023 | 381 | $7.91B |
| Q4 2022 | 359 | $7.36B |
| Q3 2022 | 342 | $6.98B |
| Q2 2022 | 340 | $6.97B |
| Q1 2022 | 350 | $8.20B |
| Q4 2021 | 341 | $7.48B |
| Q3 2021 | 311 | $7.51B |
| Q2 2021 | 301 | $8.20B |
| Q1 2021 | 306 | $7.34B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TT Capital Management LLC | 0 | $0 | 0.00% | −4,397−100.0% | Sold out |
| Voya Financial Advisors, Inc. | 0 | $0 | 0.00% | −4,304−100.0% | Sold out |
| Global Assets Advisory, LLC | 0 | $0 | 0.00% | −4,650−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −4,174−100.0% | Sold out |
| Willis Johnson & Associates, Inc. | 0 | $0 | 0.00% | −3,861−100.0% | Sold out |
| Sym Financial Corp | 0 | $0 | 0.00% | −3,825−100.0% | Sold out |
| Balboa Wealth Partners | 0 | $0 | 0.00% | −3,821−100.0% | Sold out |
| Waterloo Capital, L.P. | 0 | $0 | 0.00% | −3,816−100.0% | Sold out |
| Wambolt & Associates, LLC | 0 | $0 | 0.00% | −3,787−100.0% | Sold out |
| Shepherd Financial Partners LLC | 0 | $0 | 0.00% | −3,746−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −1,803−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −1,250−100.0% | Sold out |
| PSI Advisors, LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Compass Wealth Management LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −847−100.0% | Sold out |
| Wiser Advisor Group LLC | 0 | $0 | 0.00% | −788−100.0% | Sold out |
| JFS Wealth Advisors, LLC | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| First Pacific Financial | 0 | $0 | 0.00% | −301−100.0% | Sold out |
| Dunhill Financial, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Godsey & Gibb Associates | 0 | $0 | 0.00% | −207−100.0% | Sold out |
| Pacific Center for Financial Services | 0 | $0 | 0.00% | −149−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| Winnow Wealth LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Beach Investment Counsel Inc | – | – | – | – | Not filed |
| Glenmede Trust Co NA | – | – | – | – | Not filed |
| CAPROCK Group, Inc. | – | – | – | – | Not filed |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |
| Sheaff Brock Investment Advisors, LLC | – | – | – | – | Not filed |
| Sabal Trust CO | – | – | – | – | Not filed |
| Stillwater Wealth Management Group | – | – | – | – | Not filed |
| Marcum Wealth, LLC | – | – | – | – | Not filed |
| Nova Wealth Management, Inc. | – | – | – | – | Not filed |