| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CenterStar Fund, LLC | 6 | 6 | 0.00% | 0.05% | 0.24% | Q2 2015 | Q3 2016 | 15 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 13 | 13 | 0.02% | 0.47% | 0.72% | Q2 2013 | Q2 2016 | 13 |
| SpiderRock Trading LLC | 2 | 1 | 0.01% | 0.14% | 0.46% | Q2 2013 | Q3 2014 | 6 |
| Mizuho Trust & Banking Co., Ltd. | 6 | 6 | 0.16% | 0.21% | 0.24% | Q2 2013 | Q3 2014 | 6 |
| IKOS CIF LTD | 4 | 4 | 0.01% | 0.62% | 0.94% | Q1 2015 | Q4 2015 | 4 |
| DEUTSCHE BANK AG\ | 1 | 1 | 0.00% | 0.03% | 0.06% | Q2 2013 | Q2 2013 | 2 |
| NEW MEXICO EDUCATIONAL RETIREMENT BOARD | 1 | 1 | 0.09% | 0.09% | 0.09% | Q2 2013 | Q2 2013 | 1 |
| NORTHERN TRUST CO OF CONNECTICUT | 1 | 1 | 0.31% | 0.31% | 0.31% | Q4 2013 | Q4 2013 | 1 |
| NORTHERN TRUST CORP | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2015 | Q2 2015 | 1 |
| ACADIAN ASSET MANAGEMENT LLC | 1 | 1 | 0.48% | 0.48% | 0.48% | Q2 2013 | Q2 2013 | 1 |
| Cai Capital Management, Inc. | 1 | 1 | 0.75% | 0.75% | 0.75% | Q3 2013 | Q3 2013 | 1 |
| Advanced Investment Partners, LLC | 1 | 1 | 0.30% | 0.30% | 0.30% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own WESTERN DIGITAL CORP or have owned WESTERN DIGITAL CORP in the past.