| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 7 | 7 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q4 2014 | 7 |
| GROUP ONE TRADING, L.P. | 7 | 7 | 0.02% | 0.06% | 0.07% | Q2 2013 | Q4 2014 | 7 |
| SABBY MANAGEMENT, LLC | 2 | 2 | 0.05% | 0.06% | 0.07% | Q3 2014 | Q4 2014 | 2 |
| Pentwater Capital Management LP | 1 | 1 | 0.16% | 0.16% | 0.16% | Q4 2014 | Q4 2014 | 1 |
| Ghost Tree Capital, LLC | 1 | 1 | 1.17% | 1.17% | 1.17% | Q2 2014 | Q2 2014 | 1 |
| SIMPLEX TRADING, LLC | 1 | 1 | 0.04% | 0.04% | 0.04% | Q4 2014 | Q4 2014 | 1 |
This page lists all the filers that currently own NPS PHARMACEUTICALS INC or have owned NPS PHARMACEUTICALS INC in the past.