THORATEC CORP

CUSIP: 885175307 Class: COM NEW

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q3 2015
Shares 719 Value ($000) $45 Avg Close — Range —
Q2 2015
Shares 195 Value ($000) $9 Avg Close — Range —
Q1 2015
Shares 195 Value ($000) $8 Avg Close — Range —
Q1 2014
Shares 55,000 Value ($000) $1,970 Avg Close — Range —
Q3 2013
Shares 10,000 Value ($000) $373 Avg Close — Range —
Q2 2013
Shares 80,000 Value ($000) $2,505 Avg Close — Range —
Q1 2013
Shares 15,000 Value ($000) $563 Avg Close — Range —
Q4 2012
Shares 7,500 Value ($000) $281 Avg Close — Range —
Q3 2012
Shares 71,200 Value ($000) $2,464 Avg Close — Range —
Q2 2012
Shares 60,000 Value ($000) $2,015 Avg Close — Range —
Q1 2012
Shares 96,200 Value ($000) $3,243 Avg Close — Range —
Q4 2011
Shares 51,935 Value ($000) $1,743 Avg Close — Range —