| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Sonora Investment Management, LLC | 9 | 9 | 0.00% | 0.01% | 0.01% | Q1 2019 | Q1 2021 | 9 |
This page lists all the filers that currently own PACKAGING CORP O or have owned PACKAGING CORP O in the past.