WESTERN DIGITAL CORP's ticker is and the CUSIP is 958102955. A total of 7 filers reported holding WESTERN DIGITAL CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,425,000 | +190.2% | 28,700 | +229.9% | 0.01% | +200.0% |
| Q3 2021 | $491,000 | -92.0% | 8,700 | -92.2% | 0.00% | -95.0% |
| Q4 2020 | $6,170,000 | +51.5% | 111,400 | 0.0% | 0.04% | +33.3% |
| Q3 2020 | $4,072,000 | -17.2% | 111,400 | 0.0% | 0.03% | -53.1% |
| Q2 2020 | $4,918,000 | -79.6% | 111,400 | -70.7% | 0.06% | -72.5% |
| Q4 2019 | $24,131,000 | +9.4% | 380,200 | +2.8% | 0.23% | -17.4% |
| Q3 2019 | $22,061,000 | +39.2% | 369,900 | +10.9% | 0.28% | +104.3% |
| Q2 2019 | $15,853,000 | +77.7% | 333,400 | +79.6% | 0.14% | +53.3% |
| Q1 2019 | $8,920,000 | +529.9% | 185,600 | +384.6% | 0.09% | +500.0% |
| Q4 2018 | $1,416,000 | -23.5% | 38,300 | +21.2% | 0.02% | 0.0% |
| Q3 2018 | $1,850,000 | -14.6% | 31,600 | +12.9% | 0.02% | +7.1% |
| Q2 2018 | $2,167,000 | – | 28,000 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Timber Hill LLC | 66,400 | $5,275,000 | 0.02% |
| SIMPLEX TRADING, LLC | 558 | $301,000 | 0.02% |
| Citadel Advisors | 214,400 | $17,031,000 | 0.02% |
| Allianz Asset Management GmbH | 67,400 | $5,354,000 | 0.01% |
| Virtu KCG Holdings LLC | 3,500 | $278,000 | 0.01% |
| SG Americas Securities, LLC | 45,600 | $242,000 | 0.00% |