| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| SIMPLEX TRADING, LLC | 7 | 1 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q1 2023 | 14 |
| GROUP ONE TRADING, L.P. | 4 | 1 | 0.00% | 0.01% | 0.01% | Q1 2017 | Q2 2021 | 9 |
| PEAK6 Group LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own CRA INTL INC or have owned CRA INTL INC in the past.