WESTERN DIGITAL CORP's ticker is and the CUSIP is 958102905. A total of 7 filers reported holding WESTERN DIGITAL CORP in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $827,000 | -68.0% | 17,200 | -75.4% | 0.01% | -68.6% |
| Q4 2018 | $2,588,000 | +33.7% | 70,000 | +180.0% | 0.04% | +29.6% |
| Q2 2018 | $1,935,000 | -16.1% | 25,000 | 0.0% | 0.03% | -43.8% |
| Q1 2018 | $2,307,000 | -86.4% | 25,000 | -90.0% | 0.05% | -72.9% |
| Q4 2016 | $16,988,000 | – | 250,000 | – | 0.18% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 165,900 | $6,905,000 | 0.06% |
| SIMPLEX TRADING, LLC | 2,939 | $12,232,000 | 0.02% |
| IMC-Chicago, LLC | 87,700 | $3,650,000 | 0.01% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 200 | $23,000 | 0.00% |
| SG Americas Securities, LLC | 35,000 | $142,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |