| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 11 | 3 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q2 2021 | 19 |
| SIMPLEX TRADING, LLC | 4 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q1 2021 | 15 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 12 | 12 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2021 | 12 |
This page lists all the filers that currently own ALASKA COMMUNICATIONS SYS GR or have owned ALASKA COMMUNICATIONS SYS GR in the past.