THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 234 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
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $1,307,000 | -24.9% | 29,334 | -29.4% | 0.05% | -27.5% |
| Q1 2015 | $1,740,000 | +125.7% | 41,547 | +92.9% | 0.07% | +25.5% |
| Q1 2014 | $771,000 | -45.0% | 21,543 | -43.7% | 0.06% | -50.5% |
| Q4 2013 | $1,401,000 | +14.6% | 38,283 | +16.7% | 0.11% | +14.4% |
| Q3 2013 | $1,223,000 | +26.3% | 32,809 | +6.2% | 0.10% | -15.7% |
| Q2 2013 | $968,000 | – | 30,903 | – | 0.12% | – |
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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% |