| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 30 | 2 | 0.00% | 0.00% | 0.01% | Q3 2015 | Q3 2023 | 32 |
| GROUP ONE TRADING, L.P. | 14 | 1 | 0.00% | 0.00% | 0.02% | Q1 2015 | Q2 2023 | 23 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Citadel Advisors | 4 | 4 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q1 2016 | 4 |
| JANE STREET GROUP, LLC | 2 | 2 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q2 2023 | 4 |
This page lists all the filers that currently own SS&C TECHNOLOGIES HLDGS INC or have owned SS&C TECHNOLOGIES HLDGS INC in the past.