| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 42 | 42 | 0.00% | 0.03% | 0.35% | Q2 2013 | Q3 2023 | 42 |
| SIMPLEX TRADING, LLC | 36 | 36 | 0.00% | 0.01% | 0.12% | Q4 2014 | Q3 2023 | 36 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| IMC-Chicago, LLC | 7 | 1 | 0.00% | 0.00% | 0.01% | Q4 2018 | Q3 2023 | 16 |
| CMT Capital Markets Trading GmbH | 15 | 15 | 0.01% | 0.41% | 1.11% | Q2 2015 | Q4 2018 | 15 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.01% | 0.04% | Q2 2013 | Q2 2016 | 13 |
| Timber Hill LLC | 9 | 9 | 0.01% | 0.02% | 0.05% | Q1 2015 | Q1 2017 | 9 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q3 2023 | 6 |
| CenterStar Asset Management, LLC | 1 | 1 | 0.17% | 0.17% | 0.17% | Q3 2023 | Q3 2023 | 1 |
| JPMORGAN CHASE & CO | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2018 | Q1 2018 | 1 |
| Columbia Pacific Advisors, LLC | 1 | 1 | 1.12% | 1.12% | 1.12% | Q2 2015 | Q2 2015 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2014 | Q3 2014 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2019 | Q3 2019 | 1 |
| STIFEL NICOLAUS & CO INC \MO\ | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2013 | Q3 2013 | 1 |
This page lists all the filers that currently own AMBARELLA INC or have owned AMBARELLA INC in the past.