| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 18 | 18 | 0.00% | 0.00% | 0.01% | Q2 2015 | Q3 2019 | 18 |
| GROUP ONE TRADING, L.P. | 7 | 1 | 0.00% | 0.01% | 0.04% | Q4 2016 | Q3 2019 | 10 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
| Citadel Advisors | 4 | 4 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q1 2016 | 4 |
| JPMORGAN CHASE & CO | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q3 2019 | 2 |
| Foresite Capital Management IV, LLC | 2 | 2 | 1.88% | 2.58% | 3.28% | Q1 2018 | Q2 2018 | 2 |
| Pentwater Capital Management LP | 1 | 1 | 0.16% | 0.16% | 0.16% | Q3 2019 | Q3 2019 | 1 |
This page lists all the filers that currently own ALDER BIOPHARMACEUTICALS INC or have owned ALDER BIOPHARMACEUTICALS INC in the past.