| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4 | 1 | 0.00% | 0.01% | 0.01% | Q3 2013 | Q3 2015 | 6 |
| ID Management A/S | 3 | 1 | 0.08% | 0.09% | 0.10% | Q3 2014 | Q3 2015 | 4 |
| SpiderRock Trading LLC | 2 | 2 | 0.00% | 0.07% | 0.14% | Q2 2013 | Q3 2013 | 2 |
| NORTHERN TRUST CO OF CONNECTICUT | 1 | 1 | 0.01% | 0.01% | 0.01% | Q4 2013 | Q4 2013 | 1 |
| NORTHERN TRUST CORP | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q2 2015 | 1 |
| 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 OM GROUP INC or have owned OM GROUP INC in the past.