THORATEC CORP

CUSIP: 885175307 Class: COM NEW

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q3 2015
Shares 193,300 Value ($000) $12,228 Avg Close — Range —
Q2 2015
Shares 200,800 Value ($000) $8,950 Avg Close — Range —
Q1 2015
Shares 160,900 Value ($000) $5,887 Avg Close — Range —
Q4 2014
Shares 160,900 Value ($000) $5,887 Avg Close — Range —
Q3 2014
Shares 160,900 Value ($000) $4,301 Avg Close — Range —
Q2 2014
Shares 160,200 Value ($000) $5,585 Avg Close — Range —
Q1 2014
Shares 162,500 Value ($000) $5,490 Avg Close — Range —
Q4 2013
Shares 160,997 Value ($000) $5,772 Avg Close — Range —
Q3 2013
Shares 159,747 Value ($000) $5,957 Avg Close — Range —
Q2 2013
Shares 136,947 Value ($000) $4,288 Avg Close — Range —