| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 4 | 2 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q1 2016 | 8 |
| Platinum Management (NY) LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q1 2014 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| SIMPLEX TRADING, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2016 | Q1 2016 | 1 |
This page lists all the filers that currently own CHECKPOINT SYS INC or have owned CHECKPOINT SYS INC in the past.