WESTERN DIGITAL CORP's ticker is and the CUSIP is 95810210. A total of 4 filers reported holding WESTERN DIGITAL CORP in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2014 | $42,791,000 | -33.0% | 442,354 | -36.1% | 0.16% | -29.3% |
| Q2 2014 | $63,912,000 | +0.1% | 692,434 | -0.4% | 0.23% | -4.6% |
| Q1 2014 | $63,865,000 | +2.7% | 695,547 | -4.6% | 0.24% | +2.1% |
| Q4 2013 | $62,168,000 | +33.3% | 728,753 | -3.0% | 0.24% | +20.5% |
| Q3 2013 | $46,655,000 | +0.0% | 751,412 | 0.0% | 0.20% | -1.0% |
| Q2 2013 | $46,653,000 | – | 751,412 | – | 0.20% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1,078,920 | $99,066,000 | 0.60% |
| SpiderRock Trading LLC | 1,000 | $89,000 | 0.46% |
| Mizuho Trust & Banking Co., Ltd. | 695,547 | $63,865,000 | 0.24% |
| SpiderRock Trading LLC | 1,000 | $2,000 | 0.01% |