| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 19 | 19 | 0.01% | 0.05% | 0.25% | Q3 2014 | Q1 2019 | 19 |
| SIMPLEX TRADING, LLC | 17 | 17 | 0.00% | 0.01% | 0.07% | Q1 2015 | Q1 2019 | 17 |
| Citadel Advisors | 8 | 8 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q2 2016 | 8 |
| SABBY MANAGEMENT, LLC | 4 | 3 | 0.02% | 0.23% | 0.56% | Q3 2014 | Q4 2016 | 7 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
| SPHERA FUNDS MANAGEMENT LTD. | 1 | 1 | 0.07% | 0.48% | 0.88% | Q3 2015 | Q4 2016 | 2 |
| Financial Architects, Inc | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2016 | Q3 2016 | 1 |
This page lists all the filers that currently own HORIZON PHARMA PLC or have owned HORIZON PHARMA PLC in the past.