| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 22 | 22 | 0.00% | 0.00% | 0.01% | Q2 2018 | Q3 2023 | 22 |
| GROUP ONE TRADING, L.P. | 18 | 3 | 0.00% | 0.00% | 0.02% | Q2 2018 | Q3 2023 | 21 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| PURA VIDA INVESTMENTS, LLC | 2 | 1 | 0.32% | 0.39% | 0.55% | Q3 2021 | Q3 2023 | 4 |
| JANE STREET GROUP, LLC | 4 | 4 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q1 2023 | 4 |
| HRT FINANCIAL LP | 1 | 1 | 0.00% | 0.01% | 0.02% | Q4 2019 | Q4 2021 | 4 |
| JPMORGAN CHASE & CO | 2 | 1 | 0.00% | 0.00% | 0.00% | Q2 2018 | Q1 2019 | 3 |
| Tamarack Advisers, LP | 2 | 2 | 0.04% | 0.04% | 0.04% | Q4 2020 | Q1 2021 | 2 |
| WELLS FARGO & COMPANY/MN | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2021 | Q4 2021 | 2 |
This page lists all the filers that currently own TANDEM DIABETES CARE INC or have owned TANDEM DIABETES CARE INC in the past.