| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 5 | 5 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q3 2014 | 5 |
| ACADIAN ASSET MANAGEMENT LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2013 | 1 |
| DEUTSCHE BANK AG\ | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own AMPCO-PITTSBURGH CORP or have owned AMPCO-PITTSBURGH CORP in the past.