| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 23 | 23 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q4 2018 | 23 |
| SIMPLEX TRADING, LLC | 12 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q1 2019 | 16 |
| Citadel Advisors | 11 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 12 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
| Marathon Trading Investment Management LLC | 2 | 2 | 0.01% | 0.01% | 0.02% | Q4 2014 | Q1 2015 | 2 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| Edge Wealth Management LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q1 2017 | Q1 2017 | 1 |
This page lists all the filers that currently own CLOUD PEAK ENERGY INC or have owned CLOUD PEAK ENERGY INC in the past.