Ownership history in Blackstone Inc. · 25 quarters on record
This page tracks every 13F SEC filing in which Blackstone Inc. reported a position in MPLX LP (MPLX). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 15,705,485 | +1,687,768 | +12.0% | 3.31% | $838.2M | $52.34 |
| 2025 Q3 | REDUCED | 14,017,717 | -2,925,721 | -17.3% | 2.82% | $700.2M | $47.97 |
| 2025 Q2 | REDUCED | 16,943,438 | -556,560 | -3.2% | 3.73% | $872.8M | $48.54 |
| 2025 Q1 | REDUCED | 17,499,998 | -1,744,969 | -9.1% | 3.89% | $936.6M | $49.47 |
| 2024 Q4 | REDUCED | 19,244,967 | -2,576,438 | -11.8% | 4.19% | $921.1M | $43.42 |
| 2024 Q3 | REDUCED | 21,821,405 | -1,318,339 | -5.7% | 4.23% | $970.2M | $39.52 |
| 2024 Q2 | REDUCED | 23,139,744 | -84,844 | -0.4% | 4.12% | $985.5M | $37.09 |
| 2024 Q1 | REDUCED | 23,224,588 | -188,844 | -0.8% | 3.90% | $965.2M | $35.45 |
| 2023 Q4 | REDUCED | 23,413,432 | -8,569,859 | -26.8% | 3.86% | $859.7M | $30.64 |
| 2023 Q3 | REDUCED | 31,983,291 | -12,985,616 | -28.9% | 4.77% | $1.14B | $28.98 |
As of 2025 Q4 — sorted by position size