THORATEC CORP's ticker is and the CUSIP is 885175957. A total of 3 filers reported holding THORATEC CORP in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $1,867,000 | +126.3% | 41,900 | +112.7% | 0.01% | +100.0% |
| Q1 2015 | $825,000 | +95.5% | 19,700 | +51.5% | 0.00% | +100.0% |
| Q4 2014 | $422,000 | -67.6% | 13,000 | -73.4% | 0.00% | -60.0% |
| Q3 2014 | $1,304,000 | +302.5% | 48,800 | +424.7% | 0.01% | +400.0% |
| Q2 2014 | $324,000 | -49.1% | 9,300 | -47.8% | 0.00% | -66.7% |
| Q1 2014 | $637,000 | -63.0% | 17,800 | -62.1% | 0.00% | -50.0% |
| Q4 2013 | $1,720,000 | +34.1% | 47,000 | +36.6% | 0.01% | +20.0% |
| Q3 2013 | $1,283,000 | +89.8% | 34,400 | +59.3% | 0.01% | +150.0% |
| Q2 2013 | $676,000 | – | 21,600 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Timber Hill LLC | 47,000 | $1,720,000 | 0.01% |
| GROUP ONE TRADING, L.P. | 10,100 | $370,000 | 0.01% |
| Citadel Advisors | 19,600 | $717,000 | 0.00% |