| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 13 | 13 | 0.00% | 0.02% | 0.04% | Q2 2013 | Q2 2016 | 13 |
| Citadel Advisors | 11 | 11 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q4 2015 | 11 |
| SIMPLEX TRADING, LLC | 7 | 7 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q2 2016 | 7 |
| SABBY MANAGEMENT, LLC | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q4 2013 | 2 |
This page lists all the filers that currently own SEQUENOM INC or have owned SEQUENOM INC in the past.