| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 10 | 2 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 12 |
| SIMPLEX TRADING, LLC | 3 | 3 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q4 2016 | 3 |
This page lists all the filers that currently own CALAMOS ASSET MGMT INC or have owned CALAMOS ASSET MGMT INC in the past.