| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 30 | 2 | 0.00% | 0.02% | 0.11% | Q3 2014 | Q3 2022 | 32 |
| SIMPLEX TRADING, LLC | 29 | 1 | 0.00% | 0.01% | 0.04% | Q1 2015 | Q3 2022 | 30 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 17 | 17 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2022 | 17 |
| Citadel Advisors | 6 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q2 2016 | 7 |
| JPMORGAN CHASE & CO | 3 | 1 | 0.00% | 0.00% | 0.01% | Q2 2019 | Q3 2022 | 6 |
| Thrax Management, LLC | 2 | 2 | 0.08% | 0.16% | 0.23% | Q4 2015 | Q1 2016 | 2 |
| WATER ISLAND CAPITAL LLC | 1 | 1 | 0.00% | 0.05% | 0.09% | Q4 2021 | Q3 2022 | 2 |
| Pentwater Capital Management LP | 1 | 1 | 0.01% | 0.03% | 0.04% | Q4 2021 | Q2 2022 | 2 |
| JANE STREET GROUP, LLC | 2 | 2 | 0.01% | 0.02% | 0.04% | Q2 2022 | Q3 2022 | 2 |
| SG Americas Securities, LLC | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2021 | Q4 2021 | 2 |
| Hudson Bay Capital Management LP | 1 | 1 | 0.06% | 0.06% | 0.06% | Q3 2019 | Q3 2019 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2019 | Q3 2019 | 1 |
| WELLS FARGO & COMPANY/MN | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2021 | Q4 2021 | 1 |
| Yong Rong (HK) Asset Management Ltd | 1 | 1 | 0.01% | 0.01% | 0.01% | Q1 2020 | Q1 2020 | 1 |
| Verde Servicos Internacionais S.A. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q2 2022 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| Sender Co & Partners, Inc. | 1 | 1 | 0.95% | 0.95% | 0.95% | Q1 2022 | Q1 2022 | 1 |
| Maven Securities LTD | 1 | 1 | 0.64% | 0.64% | 0.64% | Q3 2022 | Q3 2022 | 1 |
This page lists all the filers that currently own ZENDESK INC or have owned ZENDESK INC in the past.