| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 8 | 8 | 0.00% | 0.01% | 0.02% | Q2 2013 | Q1 2015 | 8 |
| Citadel Advisors | 5 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q4 2014 | 6 |
| Timber Hill LLC | 3 | 2 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q3 2014 | 5 |
| 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% | Q4 2014 | Q4 2014 | 1 |
This page lists all the filers that currently own SONUS NETWORKS INC or have owned SONUS NETWORKS INC in the past.