| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 22 | 3 | 0.00% | 0.03% | 0.18% | Q2 2013 | Q4 2019 | 25 |
| SIMPLEX TRADING, LLC | 21 | 21 | 0.00% | 0.00% | 0.02% | Q4 2014 | Q4 2019 | 21 |
| SABBY MANAGEMENT, LLC | 7 | 2 | 0.01% | 0.10% | 0.34% | Q1 2014 | Q3 2017 | 12 |
| Citadel Advisors | 12 | 12 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q2 2016 | 12 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
This page lists all the filers that currently own NEWLINK GENETICS CORP or have owned NEWLINK GENETICS CORP in the past.