Institutional Ownership
Mplx LP
CUSIP 55336V100COM UNIT REP LTDMPLXQ1 2026
13D / 13G Filings
10
Schedule 13D/13G on record
Beneficial Filers
2
Distinct reporting persons
Largest Stake
64.3%
Max % of class reported
Institutional Holders
643
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
10 filings · latest May 10, 2024
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | May 10, 2024 | Marathon Petroleum Corp | 13D/A | 63.3% | 647.42M | SEC |
| 2 | Feb 9, 2024 | Blackstone Group Management L.L.C. | 13G/A | 2.3% | 23.41M | SEC |
| 3 | Feb 9, 2023 | Blackstone Group Management L.L.C. | 13G/A | 5.0% | 50.52M | SEC |
| 4 | Oct 4, 2022 | Marathon Petroleum Corp | 13D/A | 64.3% | 647.42M | SEC |
| 5 | Feb 11, 2022 | Blackstone Group Management L.L.C. | 13G/A | 6.5% | 66.13M | SEC |
| 6 | Sep 22, 2021 | Marathon Petroleum Corp | 13D/A | 63.3% | 647.42M | SEC |
| 7 | Feb 16, 2021 | Blackstone Group Management L.L.C. | 13G/A | 6.5% | 67.92M | SEC |
| 8 | Jan 5, 2021 | Marathon Petroleum Corp | 13D/A | 62.3% | 647.42M | SEC |
| 9 | Aug 4, 2020 | Marathon Petroleum Corp | 13D/A | 62.2% | 647.42M | SEC |
| 10 | Jul 16, 2020 | Blackstone Group Management L.L.C. | 13G | 5.0% | 53.43M | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Alps Advisors Inc | 27.07M | $1.54B |
| 2 | Invesco Ltd. | 18.27M | $1.04B |
| 3 | Blackstone Inc. | 15.35M | $876.06M |
| 4 | Tortoise Capital Advisors, L.L.C. | 13.26M | $756.78M |
| 5 | Goldman Sachs Group Inc | 12.51M | $713.81M |
| 6 | Mirae Asset Global Etfs Holdings Ltd. | 7.32M | $417.71M |
| 7 | Kayne Anderson Capital Advisors LP | 6.83M | $389.59M |
| 8 | Ubs Group AG | 5.23M | $298.68M |
| 9 | Energy Income Partners, LLC | 5.16M | $294.34M |
| 10 | Morgan Stanley | 4.96M | $283.31M |