WESTLAKE CHEM CORP's ticker is and the CUSIP is 96041310. A total of 1 filers reported holding WESTLAKE CHEM CORP in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $81,000 | +710.0% | 2,500 | +19.1% | 0.22% | +558.8% |
| Q3 2014 | $10,000 | – | 2,099 | +1999.0% | 0.03% | – |
| Q1 2014 | $0 | -100.0% | 100 | -50.0% | 0.00% | -100.0% |
| Q4 2013 | $24,000 | -62.5% | 200 | -83.2% | 0.13% | -66.2% |
| Q3 2013 | $64,000 | +8.5% | 1,194 | +99.0% | 0.39% | -15.5% |
| Q2 2013 | $59,000 | – | 600 | – | 0.46% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SpiderRock Trading LLC | 1,200 | $74,000 | 0.20% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 396,680 | $24,233,000 | 0.14% |
| ID Management A/S | 1,644 | $100,000 | 0.05% |
| SpiderRock Trading LLC | 1,300 | $7,000 | 0.02% |