| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| SIMPLEX TRADING, LLC | 4 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q1 2023 | 14 |
| Citadel Advisors | 5 | 4 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q4 2015 | 9 |
This page lists all the filers that currently own WESTAMERICA BANCORPORATION or have owned WESTAMERICA BANCORPORATION in the past.