| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 24 | 24 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2024 | 24 |
| SIMPLEX TRADING, LLC | 10 | 1 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q1 2024 | 23 |
| GROUP ONE TRADING, L.P. | 10 | 2 | 0.00% | 0.00% | 0.00% | Q4 2019 | Q2 2023 | 12 |
| Citadel Advisors | 8 | 8 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q4 2015 | 8 |
| JANE STREET GROUP, LLC | 3 | 3 | 0.00% | 0.00% | 0.00% | Q3 2022 | Q1 2023 | 3 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own ACI WORLDWIDE INC or have owned ACI WORLDWIDE INC in the past.