THORATEC CORP

CUSIP: 885175307 Class: COM NEW

Capital World Investors's Holding History (CIK: 0001422849)

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

Q3 2015
Shares 435,000 Value ($000) $27,518 Avg Close — Range —
Q2 2015
Shares 435,000 Value ($000) $19,388 Avg Close — Range —
Q1 2015
Shares 435,000 Value ($000) $18,222 Avg Close — Range —
Q4 2014
Shares 435,000 Value ($000) $14,120 Avg Close — Range —
Q3 2014
Shares 435,000 Value ($000) $11,628 Avg Close — Range —