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, Q3 2021
Institutional positions in MPLX LP as of Sep 30, 2021. 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
- 311
- +16 vs. Q2 2021
- Shares held
- 263.8M
- −13.1M (−4.7%) vs. Q2 2021
- Total value
- $7.51B
- −$680.2M (−8.3%) vs. Q2 2021
- New holders
- 36
- 97 more added
- Sold out
- 20
- 100 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| McIlrath & Eck, LLC | 255 | $7.00K | 0.00% | 00.0% | Unchanged |
| HHM Wealth Advisors, LLC | 218 | $6.00K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 166 | $5.00K | 0.00% | +18+12.2% | Added |
| McCarthy Asset Management, Inc. | 125 | $4.00K | 0.00% | 00.0% | Unchanged |
| Hexagon Capital Partners LLC | 100 | $3.00K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 82 | $2.00K | 0.00% | −149−64.5% | Reduced |
| Kozak & Associates, Inc. | 64 | $2.00K | 0.00% | +64 | New |
| Newbridge Financial Services Group, Inc. | 39 | $1.00K | 0.00% | −8,309−99.5% | Reduced |
| Jacobi Capital Management LLC | 26 | $1.00K | 0.00% | +1+4.0% | Added |
| Center for Financial Planning, Inc. | 11 | $0 | 0.00% | +11 | New |
| Green Harvest Asset Management LLC | 21,859 | – | – | 00.0% | Unchanged |
| Highland Capital Management Fund Advisors, L.P. | 0 | $0 | 0.00% | −385,923−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −347,284−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −289,579−100.0% | Sold out |
| Prudential PLC | 0 | $0 | 0.00% | −89,400−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −67,000−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −35,566−100.0% | Sold out |
| Segment Wealth Management, LLC | 0 | $0 | 0.00% | −18,424−100.0% | Sold out |
| Conning Inc. | 0 | $0 | 0.00% | −16,452−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −13,087−100.0% | Sold out |
| Regions Financial Corp | 0 | $0 | 0.00% | −9,296−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −8,448−100.0% | Sold out |
| King Luther Capital Management Corp | 0 | $0 | 0.00% | −7,840−100.0% | Sold out |
| Mid Atlantic Financial Management Inc | 0 | $0 | 0.00% | −7,221−100.0% | Sold out |
| Clearview Wealth Advisors LLC | 0 | $0 | 0.00% | −7,080−100.0% | Sold out |
| Westwood Holdings Group Inc. | 0 | $0 | 0.00% | −6,760−100.0% | Sold out |
| Carroll Financial Associates, Inc. | 0 | $0 | 0.00% | −4,105−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −2,934−100.0% | Sold out |
| Summit Wealth Group, LLC | 0 | $0 | 0.00% | −1,111−100.0% | Sold out |
| Retirement Group, LLC | 0 | $0 | 0.00% | −326−100.0% | Sold out |
| FFT Wealth Management LLC | 0 | $0 | 0.00% | −261−100.0% | Sold out |
| Wexford Capital LP | – | – | – | – | Not filed |
| Snow Capital Management LP | – | – | – | – | Not filed |
| Usca Ria LLC | – | – | – | – | Not filed |
| Castleview Partners, LLC | – | – | – | – | Not filed |
| Cowen Prime Services LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |