| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 5 | 2 | 0.00% | 0.00% | 0.00% | Q4 2013 | Q3 2015 | 7 |
| GROUP ONE TRADING, L.P. | 5 | 1 | 0.00% | 0.03% | 0.07% | Q1 2014 | Q3 2015 | 6 |
| SIMPLEX TRADING, LLC | 3 | 3 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q3 2015 | 3 |
| SABBY MANAGEMENT, LLC | 1 | 1 | 0.04% | 0.04% | 0.04% | Q1 2015 | Q1 2015 | 1 |
This page lists all the filers that currently own KYTHERA BIOPHARMACEUTICALS I or have owned KYTHERA BIOPHARMACEUTICALS I in the past.