THORATEC CORP

CUSIP: 885175307 Class: COM NEW

SECTORAL ASSET MANAGEMENT INC's Holding History (CIK: 0001274413)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015
Shares 250 Value ($000) $11 Avg Close Range
Q2 2013
Shares 470,118 Value ($000) $14,719 Avg Close Range