THORATEC CORP

CUSIP: 885175307 Class: COM NEW

ORACLE INVESTMENT MANAGEMENT INC's Holding History (CIK: 0001012622)

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

Q3 2015
Shares 5,000 Value ($000) $316 Avg Close — Range —
Q2 2015
Shares 1,229,600 Value ($000) $54,803 Avg Close — Range —
Q1 2015
Shares 1,232,600 Value ($000) $51,634 Avg Close — Range —
Q4 2014
Shares 1,232,600 Value ($000) $40,010 Avg Close — Range —
Q3 2014
Shares 1,222,000 Value ($000) $32,664 Avg Close — Range —
Q2 2014
Shares 1,466,304 Value ($000) $51,115,357 Avg Close — Range —
Q1 2014
Shares 1,756,204 Value ($000) $62,889,665 Avg Close — Range —
Q4 2013
Shares 2,072,700 Value ($000) $75,860,820 Avg Close — Range —
Q3 2013
Shares 2,236,349 Value ($000) $83,393,454 Avg Close — Range —
Q2 2013
Shares 1,904,949 Value ($000) $59,643,953 Avg Close — Range —