THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 181 filers reported holding THORATEC CORP in Q1 2015. The put-call ratio across all filers is 0.88 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $21,665,000 | +32.1% | 342,475 | -6.9% | 0.01% | +40.0% |
| Q2 2015 | $16,397,000 | +70.4% | 367,894 | +60.1% | 0.01% | +66.7% |
| Q1 2015 | $9,623,000 | +44.8% | 229,722 | +12.2% | 0.00% | +50.0% |
| Q4 2014 | $6,644,000 | -21.0% | 204,691 | -34.9% | 0.00% | -33.3% |
| Q3 2014 | $8,410,000 | +13.3% | 314,598 | +47.7% | 0.00% | +50.0% |
| Q2 2014 | $7,423,000 | +15.7% | 212,945 | +18.9% | 0.00% | 0.0% |
| Q1 2014 | $6,415,000 | -29.3% | 179,161 | -27.8% | 0.00% | -50.0% |
| Q4 2013 | $9,077,000 | -14.6% | 247,985 | -13.0% | 0.00% | 0.0% |
| Q3 2013 | $10,626,000 | +190.7% | 284,950 | +144.1% | 0.00% | +100.0% |
| Q2 2013 | $3,655,000 | +65.8% | 116,748 | +98.8% | 0.00% | +100.0% |
| Q4 2012 | $2,204,000 | -73.0% | 58,728 | -75.1% | 0.00% | -66.7% |
| Q3 2012 | $8,152,000 | -1.3% | 235,591 | -4.3% | 0.00% | -25.0% |
| Q2 2012 | $8,262,000 | +311.9% | 246,052 | +313.5% | 0.00% | +300.0% |
| Q1 2012 | $2,006,000 | – | 59,508 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,904,949 | $59,643,953,000 | 10.29% |
| KING INVESTMENT ADVISORS INC/TX | 200,620 | $6,281,000 | 2.60% |
| SECTOR GAMMA AS | 200,000 | $6,262,000 | 1.83% |
| Cohen Capital Management, Inc. | 150,165 | $4,702,000 | 1.50% |
| PRIO WEALTH LIMITED PARTNERSHIP | 522,673 | $16,364,000 | 0.98% |
| Marshall Wace North America L.P. | 364,926 | $11,426,000 | 0.90% |
| PALISADE CAPITAL MANAGEMENT, LP | 890,359 | $27,877,000 | 0.80% |
| Waterstone Capital Management, L.P. | 269,500 | $8,438,000 | 0.75% |
| Cortina Asset Management, LLC | 549,936 | $17,218,000 | 0.68% |
| Baldwin Investment Management, LLC | 43,500 | $1,362,000 | 0.67% |