THORATEC CORP

CUSIP: 885175307 Class: COM NEW

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q3 2015
Shares 96,493 Value ($000) $6,104 Avg Close — Range —
Q2 2015
Shares 98,543 Value ($000) $4,392 Avg Close — Range —
Q1 2015
Shares 126,963 Value ($000) $5,318 Avg Close — Range —
Q4 2014
Shares 129,293 Value ($000) $4,197 Avg Close — Range —
Q3 2014
Shares 129,573 Value ($000) $3,463 Avg Close — Range —
Q2 2014
Shares 129,633 Value ($000) $4,519 Avg Close — Range —
Q1 2014
Shares 135,442 Value ($000) $4,850 Avg Close — Range —
Q4 2013
Shares 134,484 Value ($000) $4,922 Avg Close — Range —
Q3 2013
Shares 134,733 Value ($000) $5,024 Avg Close — Range —
Q2 2013
Shares 128,068 Value ($000) $4,010 Avg Close — Range —