| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 15 | 15 | 0.00% | 0.00% | 0.00% | Q1 2020 | Q3 2023 | 15 |
| SIMPLEX TRADING, LLC | 5 | 2 | 0.00% | 0.00% | 0.00% | Q4 2020 | Q3 2023 | 9 |
| GROUP ONE TRADING, L.P. | 2 | 2 | 0.00% | 0.00% | 0.00% | Q2 2023 | Q3 2023 | 2 |
This page lists all the filers that currently own PHATHOM PHARMACEUTICALS INC or have owned PHATHOM PHARMACEUTICALS INC in the past.