THORATEC CORP

CUSIP: 885175307 Class: COM NEW

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q3 2015
Shares 144,639 Value ($000) $9,150 Avg Close — Range —
Q2 2015
Shares 202,839 Value ($000) $9,041 Avg Close — Range —
Q3 2014
Shares 132,939 Value ($000) $3,553 Avg Close — Range —
Q2 2014
Shares 923,939 Value ($000) $32,209 Avg Close — Range —
Q1 2014
Shares 1,050,949 Value ($000) $37,634 Avg Close — Range —
Q4 2013
Shares 1,049,039 Value ($000) $38,395 Avg Close — Range —
Q3 2013
Shares 1,225,939 Value ($000) $45,715 Avg Close — Range —
Q2 2013
Shares 1,610,239 Value ($000) $50,417 Avg Close — Range —