Ownership history in PEAK6 Group LLC · 59 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in MICROSTRATEGY INC CL A NEW (MSTR). 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 Q1 | REDUCED | 3,000 | -161,800 | -98.2% | 0.00% | $387K | $12.90 |
| 2017 Q4 | ADDED | 164,800 | +158,423 | +2484.3% | 0.10% | $21.6M | $13.13 |
| 2017 Q4 | REDUCED | 6,377 | -5,023 | -44.1% | 0.00% | $837K | $13.13 |
| 2017 Q4 | ADDED | 11,400 | +10,400 | +1040.0% | 0.01% | $1.5M | $13.13 |
| 2017 Q3 | REDUCED | 1,000 | -176,100 | -99.4% | 0.00% | $128K | $12.77 |
| 2017 Q3 | ADDED | 177,100 | +149,860 | +550.1% | 0.12% | $22.6M | $12.77 |
| 2017 Q3 | ADDED | 27,240 | +25,740 | +1716.0% | 0.02% | $3.5M | $12.77 |
| 2017 Q2 | REDUCED | 1,500 | -1,960 | -56.6% | 0.00% | $288K | $19.17 |
| 2017 Q2 | ADDED | 3,460 | +2,060 | +147.1% | 0.00% | $663K | $19.17 |
| 2017 Q2 | REDUCED | 1,400 | -300 | -17.6% | 0.00% | $268K | $19.17 |
As of 2025 Q4 — sorted by position size