THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 2 filers reported holding THORATEC CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $1,661,000 | +42.0% | 26,255 | 0.0% | 0.01% | +50.0% |
| Q2 2015 | $1,170,000 | +5.8% | 26,255 | -0.6% | 0.01% | 0.0% |
| Q1 2015 | $1,106,000 | +27.6% | 26,405 | -1.2% | 0.01% | +20.0% |
| Q4 2014 | $867,000 | -79.7% | 26,721 | -83.2% | 0.01% | -80.8% |
| Q3 2014 | $4,263,000 | -38.3% | 159,469 | -19.5% | 0.03% | -38.1% |
| Q2 2014 | $6,907,000 | +27.0% | 198,135 | +30.5% | 0.04% | +27.3% |
| Q1 2014 | $5,439,000 | -30.7% | 151,878 | -29.2% | 0.03% | -35.3% |
| Q4 2013 | $7,853,000 | -13.3% | 214,559 | -11.7% | 0.05% | -13.6% |
| Q3 2013 | $9,059,000 | +12.7% | 242,926 | -5.4% | 0.06% | +9.3% |
| Q2 2013 | $8,041,000 | – | 256,823 | – | 0.05% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 2,072,700 | $75,860,820,000 | 10.44% |
| Rock Springs Capital Management LP | 275,000 | $10,065,000 | 3.60% |
| HealthInvest Partners AB | 98,135 | $3,592,000 | 3.57% |
| SECTOR GAMMA AS | 270,100 | $9,886,000 | 2.67% |
| KING INVESTMENT ADVISORS INC/TX | 143,690 | $5,259,000 | 2.40% |
| Cohen Capital Management, Inc. | 148,465 | $5,434,000 | 1.53% |
| Rhenman & Partners Asset Management AB | 75,000 | $2,745,000 | 1.07% |
| PRIO WEALTH LIMITED PARTNERSHIP | 557,651 | $20,410,000 | 1.03% |
| KOPP INVESTMENT ADVISORS LLC | 55,583 | $2,034,000 | 0.92% |
| APEX CAPITAL, LLC | 375,000 | $13,725,000 | 0.90% |