| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 12 | 12 | 0.00% | 0.00% | 0.00% | Q3 2020 | Q2 2023 | 12 |
| SIMPLEX TRADING, LLC | 11 | 11 | 0.00% | 0.00% | 0.00% | Q4 2020 | Q2 2023 | 11 |
| GROUP ONE TRADING, L.P. | 9 | 9 | 0.00% | 0.00% | 0.00% | Q4 2020 | Q4 2022 | 9 |
This page lists all the filers that currently own SURFACE ONCOLOGY INC or have owned SURFACE ONCOLOGY INC in the past.