| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2016 | 13 |
| SIMPLEX TRADING, LLC | 9 | 9 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q1 2017 | 9 |
| SABBY MANAGEMENT, LLC | 3 | 3 | 0.00% | 0.27% | 0.70% | Q2 2013 | Q4 2014 | 6 |
| GROUP ONE TRADING, L.P. | 2 | 1 | 0.01% | 0.07% | 0.21% | Q2 2013 | Q1 2017 | 3 |
| COMMERZBANK AKTIENGESELLSCHAFT /FI | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q4 2013 | 2 |
| Virtu KCG Holdings LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2013 | Q4 2013 | 1 |
This page lists all the filers that currently own ARENA PHARMACEUTICALS INC or have owned ARENA PHARMACEUTICALS INC in the past.