| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 8 | 1 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q3 2018 | 9 |
| GROUP ONE TRADING, L.P. | 2 | 1 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q3 2018 | 3 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2018 | 1 |
This page lists all the filers that currently own TRONC INC or have owned TRONC INC in the past.