| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 14 | 1 | 0.00% | 0.00% | 0.01% | Q3 2015 | Q3 2020 | 19 |
| SIMPLEX TRADING, LLC | 10 | 1 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q3 2020 | 18 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 9 | 9 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2020 | 9 |
| Citadel Advisors | 4 | 4 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q2 2016 | 4 |
| Marathon Trading Investment Management LLC | 2 | 2 | 0.02% | 0.02% | 0.03% | Q3 2015 | Q4 2015 | 2 |
This page lists all the filers that currently own CIVEO CORP CDA or have owned CIVEO CORP CDA in the past.