| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 3 | 1 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q3 2014 | 4 |
| SIMPLEX TRADING, LLC | 2 | 1 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q2 2016 | 3 |
| Citadel Advisors | 2 | 2 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q2 2015 | 2 |
This page lists all the filers that currently own CASTLE A M & CO or have owned CASTLE A M & CO in the past.