| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING LLC | 15 | 1 | 0.00% | 0.00% | 0.01% | Q3 2013 | Q2 2024 | 31 |
| SIMPLEX TRADING, LLC | 16 | 1 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q2 2024 | 30 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 24 | 24 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2024 | 24 |
| JANE STREET GROUP, LLC | 9 | 9 | 0.00% | 0.00% | 0.01% | Q2 2022 | Q2 2024 | 9 |
| Citadel Advisors | 2 | 1 | 0.00% | 0.00% | 0.00% | Q2 2014 | Q2 2016 | 6 |
This page lists all the filers that currently own CLEARFIELD INC or have owned CLEARFIELD INC in the past.