| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 36 | 36 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q3 2023 | 36 |
| GROUP ONE TRADING, L.P. | 18 | 2 | 0.00% | 0.00% | 0.03% | Q2 2013 | Q3 2023 | 33 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Timber Hill LLC | 9 | 2 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q1 2017 | 14 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 13 |
| Virtu KCG Holdings LLC | 6 | 6 | 0.00% | 0.01% | 0.02% | Q3 2013 | Q4 2014 | 6 |
| JANE STREET GROUP, LLC | 4 | 4 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q1 2023 | 4 |
| PARK CIRCLE Co | 2 | 2 | 0.17% | 0.18% | 0.18% | Q3 2014 | Q4 2014 | 2 |
| Sender Co & Partners, Inc. | 1 | 1 | 0.43% | 0.43% | 0.43% | Q4 2022 | Q4 2022 | 1 |
| SG Americas Securities, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2017 | Q2 2017 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2013 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2014 | Q3 2014 | 1 |
| SEI INVESTMENTS CO | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2018 | Q2 2018 | 1 |
This page lists all the filers that currently own IMAX CORP or have owned IMAX CORP in the past.