WESTERN DIGITAL CORP's ticker is and the CUSIP is 958102955. A total of 6 filers reported holding WESTERN DIGITAL CORP in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CMT Capital Markets Trading GmbH | 267,100 | $12,188 | 0.16% |
| CenterStar Asset Management, LLC | 10,400 | $474,552 | 0.10% |
| Capital Markets Trading UK LLP | 59,500 | $2,715 | 0.04% |
| SIMPLEX TRADING, LLC | 521,300 | $23,786 | 0.02% |
| JANE STREET GROUP, LLC | 928,000 | $42,344,640 | 0.01% |
| IMC-Chicago, LLC | 167,500 | $7,643,025 | 0.01% |
| GROUP ONE TRADING, L.P. | 33,600 | $1,533,168 | 0.01% |
| Allianz Asset Management GmbH | 38,200 | $1,743,066 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| Twin Tree Management, LP | 4,500 | $205,335 | 0.00% |