WESTLAKE CHEM CORP's ticker is and the CUSIP is 96041310. A total of 3 filers reported holding WESTLAKE CHEM CORP in Q2 2014. The put-call ratio across all filers is - and the average weighting 0.3%.
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% |