Ownership history in PEAK6 Group LLC · 70 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in PFIZER INC COM (PFE). 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 | 149,500 | -135,000 | -47.5% | 0.02% | $5.4M | $24.18 |
| 2018 Q2 | REDUCED | 284,500 | -106,428 | -27.2% | 0.04% | $10.3M | $24.18 |
| 2018 Q1 | REDUCED | 390,928 | -207,772 | -34.7% | 0.06% | $13.9M | $23.42 |
| 2018 Q1 | ADDED | 598,700 | +522,300 | +683.6% | 0.09% | $21.2M | $23.42 |
| 2018 Q1 | ADDED | 76,400 | +20,200 | +35.9% | 0.01% | $2.7M | $23.42 |
| 2017 Q4 | REDUCED | 56,200 | -24,300 | -30.2% | 0.01% | $2.0M | $23.69 |
| 2017 Q4 | REDUCED | 80,500 | -400 | -0.5% | 0.01% | $2.9M | $23.69 |
| 2017 Q3 | REDUCED | 80,900 | -913,900 | -91.9% | 0.01% | $2.9M | $23.14 |
| 2017 Q3 | ADDED | 994,800 | +862,200 | +650.2% | 0.18% | $35.5M | $23.14 |
| 2017 Q2 | REDUCED | 132,600 | -310,300 | -70.1% | 0.03% | $4.5M | $21.56 |
As of 2025 Q4 — sorted by position size