| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 13 | 13 | 0.00% | 0.02% | 0.05% | Q3 2014 | Q3 2017 | 13 |
| SIMPLEX TRADING, LLC | 12 | 12 | 0.00% | 0.01% | 0.03% | Q4 2014 | Q3 2017 | 12 |
| SABBY MANAGEMENT, LLC | 11 | 11 | 0.01% | 0.12% | 0.42% | Q1 2014 | Q3 2016 | 11 |
| Citadel Advisors | 10 | 10 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q2 2016 | 10 |
| Financial Architects, Inc | 3 | 3 | 0.00% | 0.00% | 0.01% | Q1 2016 | Q3 2016 | 3 |
This page lists all the filers that currently own CEMPRA INC or have owned CEMPRA INC in the past.