THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 8 filers reported holding THORATEC CORP in Q4 2012. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $45,000 | +400.0% | 719 | +268.7% | 0.00% | – |
| Q2 2015 | $9,000 | +12.5% | 195 | 0.0% | 0.00% | – |
| Q1 2015 | $8,000 | -99.6% | 195 | -99.6% | 0.00% | -100.0% |
| Q1 2014 | $1,970,000 | +428.2% | 55,000 | +450.0% | 0.06% | +369.2% |
| Q3 2013 | $373,000 | -85.1% | 10,000 | -87.5% | 0.01% | -85.2% |
| Q2 2013 | $2,505,000 | +344.9% | 80,000 | +433.3% | 0.09% | +340.0% |
| Q1 2013 | $563,000 | +100.4% | 15,000 | +100.0% | 0.02% | +81.8% |
| Q4 2012 | $281,000 | -88.6% | 7,500 | -89.5% | 0.01% | -89.0% |
| Q3 2012 | $2,464,000 | +22.3% | 71,200 | +18.7% | 0.10% | +11.1% |
| Q2 2012 | $2,015,000 | -37.9% | 60,000 | -37.6% | 0.09% | -38.4% |
| Q1 2012 | $3,243,000 | +86.1% | 96,200 | +85.2% | 0.15% | +82.5% |
| Q4 2011 | $1,743,000 | – | 51,935 | – | 0.08% | – |
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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% |