| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CenterStar Fund, LLC | 4 | 4 | 0.00% | 0.02% | 0.06% | Q2 2015 | Q1 2016 | 9 |
| SpiderRock Trading LLC | 6 | 6 | 0.00% | 0.05% | 0.20% | Q2 2013 | Q3 2014 | 8 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 6 | 6 | 0.00% | 0.01% | 0.02% | Q1 2015 | Q2 2016 | 6 |
| NORTHERN TRUST CORP | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q2 2015 | 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 NATUS MEDICAL INC DE or have owned NATUS MEDICAL INC DE in the past.