THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 191 filers reported holding THORATEC CORP in Q4 2014. The put-call ratio across all filers is 0.27 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $931,000 | +1093.6% | 20,896 | +774.3% | 0.01% | +1200.0% |
| Q4 2014 | $78,000 | -40.5% | 2,390 | -51.1% | 0.00% | -50.0% |
| Q3 2014 | $131,000 | -10.3% | 4,884 | +16.7% | 0.00% | 0.0% |
| Q2 2014 | $146,000 | +49.0% | 4,185 | +53.2% | 0.00% | 0.0% |
| Q1 2014 | $98,000 | -57.8% | 2,731 | -56.9% | 0.00% | -50.0% |
| Q4 2013 | $232,000 | +2477.8% | 6,331 | +2484.1% | 0.00% | – |
| Q3 2013 | $9,000 | -52.6% | 245 | -60.5% | 0.00% | – |
| Q2 2013 | $19,000 | – | 621 | – | 0.00% | – |
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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% |