Thoratec Corp. (THOR)
Healthcare: Medical Instruments & Supplies
| Closing price on 03/31/2013: | $37.50 |
| Filers who had this stock in their top 10: | 3 |
| 13F Filers holding this stock: | 226 |
| Aggregate shares on 03/31/2013: | 51,963,207 |
| Aggregate shares on 12/31/2012: | 53,744,018 |
| Percent change: | -3.31% |
| Funds creating new positions: | 39 |
| Funds Adding to an existing position: | 108 |
| Funds closing out their position: | 30 |
| Funds reducing their position: | 74 |
| View recent insider trading info | |