Stockbridge Partners — MPLX Trade History
Quarter-by-quarter changes in the MPLX LP position · CUSIP 55336V100
Sold outFirst seen: 2016 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | — | — | — | — | — | — |
| 2026 Q1 | 2026-05-15 | — | — | — | — | — | — |
| 2025 Q4 | 2026-02-17 | — | — | — | — | — | — |
| 2025 Q3 | 2025-11-14 | — | — | — | — | — | — |
| 2025 Q2 | 2025-08-14 | — | — | — | — | — | — |
| 2025 Q1 | 2025-05-15 | — | — | — | — | — | — |
| 2024 Q4 | 2025-02-14 | — | — | — | — | — | — |
| 2024 Q3 | 2024-11-14 | — | — | — | — | — | — |
| 2024 Q2 | 2024-08-14 | — | — | — | — | — | — |
| 2024 Q1 | 2024-05-15 | — | — | — | — | — | — |
| 2023 Q4 | 2024-02-14 | — | — | — | — | — | — |
| 2023 Q3 | 2023-11-14 | — | — | — | — | — | — |
| 2023 Q2 | 2023-08-14 | — | — | — | — | — | — |
| 2023 Q1 | 2023-05-15 | — | — | — | — | — | — |
| 2022 Q4 | 2023-02-14 | — | — | — | — | — | — |
| 2022 Q3 | 2022-11-14 | — | — | — | — | — | — |
| 2022 Q2 | 2022-08-15 | — | — | — | — | — | — |
| 2022 Q1 | 2022-05-13 | — | — | — | — | — | — |
| 2021 Q4 | 2022-02-14 | — | — | — | — | — | — |
| 2021 Q3 | 2021-11-15 | — | — | — | — | — | — |
| 2021 Q2 | 2021-08-16 | — | — | — | — | — | — |
| 2021 Q1 | 2021-05-17 | — | — | — | — | — | — |
| 2020 Q4 | 2021-04-02 | — | — | — | — | — | — |
| 2020 Q3 | 2020-11-16 | Sold out | — | -3,154,951 | -100.0% | — | — |
| 2020 Q2 | 2020-08-14 | Reduce | 3,154,951 | -5,166,108 | -62.1% | $54.5M | 1.71% |
| 2020 Q1 | 2020-05-15 | Reduce | 8,321,059 | -1,943,873 | -18.9% | $96.7M | 3.83% |
| 2019 Q4 | 2020-02-14 | Hold | 10,264,932 | — | 0.0% | $261.3M | 9.48% |
| 2019 Q3 | 2019-11-14 | Add | 10,264,932 | 924,349 | +9.9% | $287.5M | 11.41% |
| 2019 Q2 | 2019-08-14 | Add | 9,340,583 | 2,352,607 | +33.7% | $300.7M | 11.61% |
| 2019 Q1 | 2019-05-15 | Add | 6,987,976 | 1,126,323 | +19.2% | $229.8M | 8.46% |
| 2018 Q4 | 2019-02-14 | Add | 5,861,653 | 540,000 | +10.1% | $177.6M | 8.03% |
| 2018 Q3 | 2018-11-14 | Reduce | 5,321,653 | -93,261 | -1.7% | $184.6M | 7.32% |
| 2018 Q2 | 2018-08-14 | Reduce | 5,414,914 | -372,171 | -6.4% | $184.9M | 7.71% |
| 2018 Q1 | 2018-05-15 | Add | 5,787,085 | 71,831 | +1.3% | $191.2M | 8.27% |
| 2017 Q4 | 2018-02-14 | Add | 5,715,254 | 217,798 | +4.0% | $202.7M | 9.53% |
| 2017 Q3 | 2017-11-14 | New | 5,497,456 | 5,497,456 | — | $192.5M | 9.69% |
| 2017 Q2 | 2017-08-14 | — | — | — | — | — | — |
| 2017 Q1 | 2017-05-15 | — | — | — | — | — | — |
| 2016 Q4 | 2017-02-14 | — | — | — | — | — | — |
| 2016 Q3 | 2016-11-14 | — | — | — | — | — | — |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.