Ownership history in PEAK6 Group LLC · 33 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC 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) |
|---|---|---|---|---|---|---|---|
| 2018 Q2 | REDUCED | 263,400 | -70,800 | -21.2% | 0.04% | $9.0M | $16.20 |
| 2018 Q2 | ADDED | 334,200 | +167,700 | +100.7% | 0.05% | $11.4M | $16.20 |
| 2018 Q1 | ADDED | 166,500 | +149,067 | +855.1% | 0.02% | $5.5M | $15.40 |
| 2018 Q1 | REDUCED | 17,433 | -249,667 | -93.5% | 0.00% | $576K | $15.40 |
| 2018 Q1 | REDUCED | 267,100 | -6,800 | -2.5% | 0.04% | $8.8M | $15.40 |
| 2017 Q4 | ADDED | 273,900 | +61,300 | +28.8% | 0.05% | $9.7M | $16.27 |
| 2017 Q4 | REDUCED | 212,600 | -81,800 | -27.8% | 0.04% | $7.5M | $16.27 |
| 2017 Q3 | ADDED | 294,400 | +99,200 | +50.8% | 0.05% | $10.3M | $15.78 |
| 2017 Q3 | REDUCED | 195,200 | -83,900 | -30.1% | 0.03% | $6.8M | $15.78 |
| 2017 Q2 | REDUCED | 279,100 | -67,600 | -19.5% | 0.05% | $9.3M | $14.83 |
As of 2025 Q4 — sorted by position size