THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 204 filers reported holding THORATEC CORP in Q3 2013. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $443,000 | -5.3% | 7,000 | -33.3% | 0.03% | +10.7% |
| Q2 2015 | $468,000 | +59.7% | 10,500 | +50.0% | 0.03% | +55.6% |
| Q1 2015 | $293,000 | +29.1% | 7,000 | 0.0% | 0.02% | +28.6% |
| Q4 2014 | $227,000 | +13.5% | 7,000 | -6.7% | 0.01% | +7.7% |
| Q3 2014 | $200,000 | -66.3% | 7,500 | -56.0% | 0.01% | -62.9% |
| Q2 2014 | $594,000 | -50.9% | 17,050 | -49.5% | 0.04% | -56.2% |
| Q1 2014 | $1,209,000 | +372.3% | 33,750 | +382.1% | 0.08% | +400.0% |
| Q4 2013 | $256,000 | -1.9% | 7,000 | 0.0% | 0.02% | -15.8% |
| Q3 2013 | $261,000 | +19.2% | 7,000 | 0.0% | 0.02% | 0.0% |
| Q2 2013 | $219,000 | – | 7,000 | – | 0.02% | – |
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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% |