THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 221 filers reported holding THORATEC CORP in Q2 2015. The put-call ratio across all filers is 0.65 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $13,454,000 | +1827.5% | 212,670 | +1258.0% | 0.32% | +2361.5% |
| Q2 2015 | $698,000 | +17.9% | 15,660 | +10.9% | 0.01% | +18.2% |
| Q1 2015 | $592,000 | +54.6% | 14,122 | +19.7% | 0.01% | +83.3% |
| Q4 2014 | $383,000 | +83.3% | 11,798 | +51.0% | 0.01% | +100.0% |
| Q3 2014 | $209,000 | -24.3% | 7,813 | -1.2% | 0.00% | -25.0% |
| Q2 2014 | $276,000 | -2.8% | 7,909 | -0.2% | 0.00% | 0.0% |
| Q1 2014 | $284,000 | -3.1% | 7,928 | -0.8% | 0.00% | -20.0% |
| Q4 2013 | $293,000 | -3.9% | 7,995 | -2.1% | 0.01% | 0.0% |
| Q3 2013 | $305,000 | +19.6% | 8,166 | +0.1% | 0.01% | +25.0% |
| Q2 2013 | $255,000 | – | 8,158 | – | 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% |