| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 4 | 2 | 0.00% | 0.00% | 0.04% | Q3 2013 | Q3 2023 | 10 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 9 | 9 | 0.00% | 0.00% | 0.00% | Q3 2021 | Q3 2023 | 9 |
| SIMPLEX TRADING, LLC | 2 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q3 2023 | 7 |
| Citadel Advisors | 4 | 4 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q4 2014 | 4 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own ADVANCED EMISSIONS SOLUTIONS or have owned ADVANCED EMISSIONS SOLUTIONS in the past.