| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 20 | 20 | 0.00% | 0.00% | 0.00% | Q4 2018 | Q3 2023 | 20 |
| SIMPLEX TRADING, LLC | 12 | 7 | 0.00% | 0.00% | 0.00% | Q4 2018 | Q3 2023 | 19 |
| GROUP ONE TRADING, L.P. | 2 | 2 | 0.00% | 0.00% | 0.00% | Q2 2023 | Q3 2023 | 2 |
This page lists all the filers that currently own NORTHWEST NAT HLDG CO or have owned NORTHWEST NAT HLDG CO in the past.