| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 21 | 1 | 0.00% | 0.01% | 0.04% | Q4 2015 | Q2 2024 | 30 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 24 | 24 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2024 | 24 |
| GROUP ONE TRADING, L.P. | 13 | 13 | 0.00% | 0.01% | 0.03% | Q2 2021 | Q2 2024 | 13 |
| JANE STREET GROUP, LLC | 9 | 9 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q2 2024 | 9 |
| Maven Securities LTD | 6 | 6 | 0.01% | 0.01% | 0.01% | Q3 2022 | Q4 2023 | 6 |
| Garda Capital Partners LP | 3 | 3 | 0.02% | 0.04% | 0.06% | Q2 2023 | Q4 2023 | 3 |
| IMC-Chicago, LLC | 2 | 2 | 0.00% | 0.00% | 0.00% | Q1 2024 | Q2 2024 | 2 |
| JPMORGAN CHASE & CO | 2 | 2 | 0.00% | 0.00% | 0.00% | Q4 2023 | Q1 2024 | 2 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| Twin Tree Management, LP | 1 | 1 | 0.03% | 0.03% | 0.03% | Q3 2022 | Q3 2022 | 1 |
This page lists all the filers that currently own COSTAR GROUP INC or have owned COSTAR GROUP INC in the past.