| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 24 | 24 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2024 | 24 |
| GROUP ONE TRADING, L.P. | 13 | 3 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2022 | 16 |
| SIMPLEX TRADING, LLC | 9 | 6 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2022 | 15 |
This page lists all the filers that currently own IDERA PHARMACEUTICALS INC or have owned IDERA PHARMACEUTICALS INC in the past.