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 | $2,000 | 0.0% | 33 | -29.8% | 0.00% | +100.0% |
| Q2 2015 | $2,000 | -33.3% | 47 | -26.6% | 0.00% | -50.0% |
| Q1 2015 | $3,000 | +50.0% | 64 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $2,000 | 0.0% | 64 | -24.7% | 0.00% | 0.0% |
| Q3 2014 | $2,000 | 0.0% | 85 | +21.4% | 0.00% | 0.0% |
| Q2 2014 | $2,000 | 0.0% | 70 | +16.7% | 0.00% | 0.0% |
| Q1 2014 | $2,000 | 0.0% | 60 | +11.1% | 0.00% | 0.0% |
| Q4 2013 | $2,000 | 0.0% | 54 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $2,000 | 0.0% | 54 | -12.9% | 0.00% | 0.0% |
| Q2 2013 | $2,000 | – | 62 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 440,366 | $15,351,000 | 8.64% |
| ORACLE INVESTMENT MANAGEMENT INC | 1,466,304 | $51,115,357,000 | 6.20% |
| GREAT POINT PARTNERS LLC | 360,000 | $12,550,000 | 5.58% |
| SECTOR GAMMA AS | 558,300 | $19,462,000 | 4.60% |
| Rock Springs Capital Management LP | 492,200 | $17,158,000 | 3.08% |
| KING INVESTMENT ADVISORS INC/TX | 144,470 | $5,036,000 | 2.14% |
| Park West Asset Management LLC | 430,372 | $15,003,000 | 1.96% |
| Cohen Capital Management, Inc. | 149,665 | $5,217,000 | 1.35% |
| PRIO WEALTH LIMITED PARTNERSHIP | 562,453 | $19,607,000 | 0.99% |
| Elk Creek Partners, LLC | 90,596 | $3,158,000 | 0.86% |