THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 235 filers reported holding THORATEC CORP in Q4 2013. The put-call ratio across all filers is 0.43 and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,232,600 | $51,634,000 | 6.55% |
| March Altus Capital Management LP | 24,765 | $1,037,000 | 6.52% |
| Palo Alto Investors LP | 2,538,203 | $106,325,000 | 5.26% |
| Antipodean Advisors LLC | 1,152,400 | $48,274,000 | 4.51% |
| IAT REINSURANCE CO LTD. | 605,318 | $25,357,000 | 3.87% |
| Park West Asset Management LLC | 604,293 | $25,314,000 | 3.69% |
| SECTOR GAMMA AS | 249,500 | $10,452,000 | 2.76% |
| Rock Springs Capital Management LP | 515,000 | $21,573,000 | 2.02% |
| DECADE CAPITAL MANAGEMENT LLC | 345,900 | $14,490,000 | 1.79% |
| Cohen Capital Management, Inc. | 149,865 | $6,278,000 | 1.60% |