| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 9 | 9 | 0.00% | 0.00% | 0.00% | Q3 2021 | Q3 2023 | 9 |
| SIMPLEX TRADING, LLC | 2 | 1 | 0.00% | 0.00% | 0.00% | Q4 2021 | Q1 2023 | 4 |
| GROUP ONE TRADING, L.P. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2021 | Q1 2023 | 2 |
| Maven Securities LTD | 1 | 1 | 0.03% | 0.03% | 0.03% | Q1 2022 | Q1 2022 | 1 |
This page lists all the filers that currently own ECOVYST INC or have owned ECOVYST INC in the past.