THORATEC CORP's ticker is and the CUSIP is 885175907. A total of 4 filers reported holding THORATEC CORP in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.6%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2015 | $1,215,000 | -55.2% | 19,200 | -68.5% | 0.00% | -50.0% |
Q2 2015 | $2,714,000 | +155.1% | 60,900 | +139.8% | 0.00% | +100.0% |
Q1 2015 | $1,064,000 | -14.0% | 25,400 | -33.3% | 0.00% | 0.0% |
Q4 2014 | $1,237,000 | +58.0% | 38,100 | +30.0% | 0.00% | 0.0% |
Q3 2014 | $783,000 | +7.0% | 29,300 | +39.5% | 0.00% | 0.0% |
Q2 2014 | $732,000 | -23.2% | 21,000 | -21.1% | 0.00% | 0.0% |
Q1 2014 | $953,000 | -22.0% | 26,600 | -20.4% | 0.00% | -50.0% |
Q4 2013 | $1,222,000 | -19.7% | 33,400 | -18.1% | 0.00% | 0.0% |
Q3 2013 | $1,521,000 | +12.2% | 40,800 | -5.8% | 0.00% | 0.0% |
Q2 2013 | $1,356,000 | – | 43,300 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Ghost Tree Capital, LLC | 100,000 | $3,660,000 | 2.25% |
GROUP ONE TRADING, L.P. | 8,000 | $293,000 | 0.00% |
Timber Hill LLC | 32,600 | $1,193,000 | 0.00% |
Citadel Advisors | 33,400 | $1,222,000 | 0.00% |