THORATEC CORP

CUSIP: 885175307 Class: COM NEW

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q2 2015
Shares 48,474 Value ($000) $2,160 Avg Close — Range —
Q3 2014
Shares 62,552 Value ($000) $1,672 Avg Close — Range —
Q2 2014
Shares 246,445 Value ($000) $8,591 Avg Close — Range —
Q1 2014
Shares 329,321 Value ($000) $11,793 Avg Close — Range —
Q4 2013
Shares 389,147 Value ($000) $14,242 Avg Close — Range —
Q3 2013
Shares 160,283 Value ($000) $5,977 Avg Close — Range —
Q2 2013
Shares 314,520 Value ($000) $9,847 Avg Close — Range —