THORATEC CORP

CUSIP: 885175307 Class: COM NEW

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q2 2015
Shares 12,300 Value ($000) $548 Avg Close — Range —
Q1 2015
Shares 13,500 Value ($000) $566 Avg Close — Range —
Q4 2014
Shares 15,300 Value ($000) $497 Avg Close — Range —
Q3 2014
Shares 18,600 Value ($000) $497 Avg Close — Range —