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 | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $7,695,000 | -82.3% | 121,648 | -87.5% | 0.70% | -82.7% |
| Q2 2015 | $43,526,000 | +71.9% | 976,575 | +61.6% | 4.04% | +9.6% |
| Q1 2015 | $25,314,000 | +95.2% | 604,293 | +51.3% | 3.69% | +79.5% |
| Q4 2014 | $12,967,000 | +76.7% | 399,472 | +45.5% | 2.06% | +89.5% |
| Q3 2014 | $7,337,000 | -51.1% | 274,472 | -36.2% | 1.08% | -44.6% |
| Q2 2014 | $15,003,000 | +4.7% | 430,372 | +7.6% | 1.96% | +20.2% |
| Q1 2014 | $14,324,000 | +160.9% | 400,000 | +166.7% | 1.63% | +134.4% |
| Q4 2013 | $5,490,000 | – | 150,000 | – | 0.70% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,232,600 | $40,010,000 | 5.25% |
| SECTOR GAMMA AS | 392,500 | $12,741,000 | 2.83% |
| IAT REINSURANCE CO LTD. | 605,318 | $19,649,000 | 2.73% |
| DECADE CAPITAL MANAGEMENT LLC | 455,900 | $14,799,000 | 2.54% |
| Park West Asset Management LLC | 399,472 | $12,967,000 | 2.06% |
| Rock Springs Capital Management LP | 533,500 | $17,317,000 | 2.03% |
| Antipodean Advisors LLC | 658,000 | $21,359,000 | 1.91% |
| CATAPULT CAPITAL MANAGEMENT LLC | 200,000 | $6,492,000 | 1.65% |
| Broadfin Capital, LLC | 1,000,000 | $32,460,000 | 1.41% |
| Cohen Capital Management, Inc. | 149,865 | $4,865,000 | 1.26% |