| 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% | Q3 2018 | Q1 2022 | 15 |
| SIMPLEX TRADING, LLC | 10 | 4 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2022 | 14 |
| GROUP ONE TRADING, L.P. | 2 | 1 | 0.00% | 0.00% | 0.01% | Q3 2020 | Q1 2022 | 3 |
| JPMORGAN CHASE & CO | 2 | 2 | 0.00% | 0.00% | 0.01% | Q4 2021 | Q1 2022 | 2 |
| Calamos Advisors LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q1 2018 | Q1 2018 | 1 |
| Vazirani Asset Management LLC | 1 | 1 | 0.10% | 0.10% | 0.10% | Q1 2022 | Q1 2022 | 1 |
| FourWorld Capital Management LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2022 | Q1 2022 | 1 |
| Citadel Advisors | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q2 2016 | 1 |
This page lists all the filers that currently own 51JOB INC or have owned 51JOB INC in the past.