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