Ownership history in PEAK6 Group LLC · 45 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in DEXCOM INC COM (DXCM). 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 | 3,400 | -23,800 | -87.5% | 0.00% | $252K | $18.54 |
| 2017 Q3 | REDUCED | 27,200 | -30,903 | -53.2% | 0.01% | $1.3M | $12.23 |
| 2017 Q3 | REDUCED | 58,103 | -397 | -0.7% | 0.01% | $2.8M | $12.23 |
| 2017 Q3 | ADDED | 58,500 | +38,400 | +191.0% | 0.01% | $2.9M | $12.23 |
| 2017 Q2 | ADDED | 20,100 | +17,875 | +803.4% | 0.01% | $1.5M | $18.29 |
| 2017 Q2 | REDUCED | 2,225 | -15,675 | -87.6% | 0.00% | $163K | $18.29 |
| 2017 Q2 | ADDED | 17,900 | +6,500 | +57.0% | 0.01% | $1.3M | $18.29 |
| 2017 Q1 | REDUCED | 11,400 | -26,700 | -70.1% | 0.01% | $966K | $21.18 |
| 2017 Q1 | ADDED | 38,100 | +24,300 | +176.1% | 0.03% | $3.2M | $21.18 |
| 2016 Q4 | REDUCED | 13,800 | -28,500 | -67.4% | 0.01% | $824K | $14.93 |
As of 2025 Q4 — sorted by position size