THORATEC CORP

CUSIP: 885175307 Class: COM NEW

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q3 2015
Shares 174,267 Value ($000) $11,024 Avg Close — Range —
Q2 2015
Shares 400,423 Value ($000) $17,846 Avg Close — Range —
Q1 2015
Shares 250,619 Value ($000) $10,498 Avg Close — Range —
Q4 2014
Shares 26,500 Value ($000) $860 Avg Close — Range —
Q3 2014
Shares 113,463 Value ($000) $3,033 Avg Close — Range —
Q2 2014
Shares 138,990 Value ($000) $4,845 Avg Close — Range —
Q1 2014
Shares 128,391 Value ($000) $4,598 Avg Close — Range —
Q4 2013
Shares 133,753 Value ($000) $4,895 Avg Close — Range —
Q3 2013
Shares 391,359 Value ($000) $14,594 Avg Close — Range —
Q2 2013
Shares 307,711 Value ($000) $9,634 Avg Close — Range —