| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 9 | 1 | 0.00% | 0.00% | 0.01% | Q1 2015 | Q2 2023 | 27 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Citadel Advisors | 4 | 1 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q2 2016 | 5 |
| JANE STREET GROUP, LLC | 4 | 4 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q1 2023 | 4 |
| Maven Securities LTD | 2 | 2 | 0.02% | 0.03% | 0.04% | Q3 2021 | Q4 2021 | 2 |
| LUPO SECURITIES, LLC | 2 | 2 | 0.00% | 0.01% | 0.01% | Q4 2014 | Q1 2015 | 2 |
This page lists all the filers that currently own IDEX CORP or have owned IDEX CORP in the past.