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 | $6,199,000 | +41.9% | 98,000 | 0.0% | 0.02% | +54.5% |
| Q2 2015 | $4,368,000 | +6.4% | 98,000 | 0.0% | 0.01% | +10.0% |
| Q1 2015 | $4,105,000 | -35.5% | 98,000 | -50.0% | 0.01% | +25.0% |
| Q4 2014 | $6,362,000 | +142.8% | 196,000 | +100.0% | 0.01% | +14.3% |
| Q3 2014 | $2,620,000 | -23.3% | 98,000 | 0.0% | 0.01% | -22.2% |
| Q2 2014 | $3,416,000 | -2.7% | 98,000 | 0.0% | 0.01% | 0.0% |
| Q1 2014 | $3,509,000 | -2.3% | 98,000 | -0.1% | 0.01% | 0.0% |
| Q4 2013 | $3,590,000 | -2.0% | 98,100 | -0.1% | 0.01% | -10.0% |
| Q3 2013 | $3,662,000 | +19.1% | 98,200 | 0.0% | 0.01% | +11.1% |
| Q2 2013 | $3,075,000 | – | 98,200 | – | 0.01% | – |
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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% |