| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 14 | 1 | 0.00% | 0.00% | 0.00% | Q3 2016 | Q3 2023 | 22 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| GROUP ONE TRADING, L.P. | 3 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q3 2023 | 11 |
| Maven Securities LTD | 3 | 3 | 0.00% | 0.02% | 0.03% | Q3 2021 | Q1 2022 | 3 |
| JANE STREET GROUP, LLC | 3 | 3 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q4 2022 | 3 |
| Twin Tree Management, LP | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q2 2022 | 1 |
This page lists all the filers that currently own UDR INC or have owned UDR INC in the past.