| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 4 | 4 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q2 2015 | 4 |
| SIMPLEX TRADING, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2015 | Q4 2015 | 1 |
This page lists all the filers that currently own SILICONWARE PRECISION INDS L or have owned SILICONWARE PRECISION INDS L in the past.