| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 36 | 36 | 0.00% | 0.03% | 0.07% | Q4 2014 | Q3 2023 | 36 |
| SIMPLEX TRADING, LLC | 36 | 36 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q3 2023 | 36 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Timber Hill LLC | 13 | 2 | 0.01% | 0.02% | 0.02% | Q2 2013 | Q1 2017 | 15 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2016 | 13 |
| JPMORGAN CHASE & CO | 3 | 1 | 0.00% | 0.00% | 0.00% | Q1 2018 | Q3 2023 | 11 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.00% | 0.00% | 0.01% | Q2 2022 | Q3 2023 | 6 |
| Virtu KCG Holdings LLC | 6 | 6 | 0.01% | 0.02% | 0.04% | Q3 2013 | Q4 2014 | 6 |
| SG Americas Securities, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2016 | Q1 2017 | 3 |
| Twin Tree Management, LP | 1 | 1 | 0.00% | 0.01% | 0.02% | Q2 2022 | Q3 2023 | 2 |
| Magnetar Financial LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2019 | Q2 2022 | 2 |
| HBK INVESTMENTS L P | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2020 | Q2 2020 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2019 | Q3 2019 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2014 | Q3 2014 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own DAVITA INC or have owned DAVITA INC in the past.