| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 2 | 2 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q3 2015 | 2 |
| GROUP ONE TRADING, L.P. | 2 | 2 | 0.02% | 0.02% | 0.03% | Q2 2015 | Q3 2015 | 2 |
| SIMPLEX TRADING, LLC | 2 | 2 | 0.00% | 0.00% | 0.01% | Q3 2015 | Q4 2015 | 2 |
| SABBY MANAGEMENT, LLC | 1 | 1 | 0.08% | 0.08% | 0.08% | Q3 2015 | Q3 2015 | 1 |
| JPMORGAN CHASE & CO | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q3 2015 | 1 |
This page lists all the filers that currently own ZS PHARMA INC or have owned ZS PHARMA INC in the past.