THORATEC CORP

CUSIP: 885175307 Class: COM NEW

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q3 2015
Shares 11,798 Value ($000) $746 Avg Close — Range —
Q2 2015
Shares 11,798 Value ($000) $526 Avg Close — Range —
Q1 2015
Shares 11,798 Value ($000) $494 Avg Close — Range —
Q4 2014
Shares 11,798 Value ($000) $383 Avg Close — Range —
Q3 2014
Shares 11,798 Value ($000) $315 Avg Close — Range —
Q2 2014
Shares 11,798 Value ($000) $411 Avg Close — Range —
Q1 2014
Shares 11,798 Value ($000) $422 Avg Close — Range —
Q4 2013
Shares 11,798 Value ($000) $432 Avg Close — Range —
Q3 2013
Shares 11,798 Value ($000) $440 Avg Close — Range —
Q2 2013
Shares 19,952 Value ($000) $625 Avg Close — Range —