THORATEC CORP

CUSIP: 885175307 Class: COM NEW

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2015
Shares 6,343 Value ($000) $401 Avg Close — Range —
Q2 2015
Shares 826,514 Value ($000) $36,837 Avg Close — Range —
Q4 2014
Shares 569,871 Value ($000) $18,498 Avg Close — Range —
Q3 2014
Shares 77,848 Value ($000) $2,082 Avg Close — Range —
Q2 2014
Shares 291,165 Value ($000) $10,150 Avg Close — Range —
Q1 2014
Shares 45,471 Value ($000) $1,628 Avg Close — Range —
Q4 2013
Shares 477,456 Value ($000) $17,475 Avg Close — Range —
Q3 2013
Shares 61,291 Value ($000) $2,286 Avg Close — Range —
Q2 2013
Shares 747,045 Value ($000) $23,390 Avg Close — Range —