THORATEC CORP's ticker is and the CUSIP is 885175907. A total of 3 filers reported holding THORATEC CORP in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 53,000 | $3,353,000 | 0.05% |
| SIMPLEX TRADING, LLC | 396 | $214,000 | 0.02% |
| Citadel Advisors | 19,200 | $1,215,000 | 0.00% |