THORATEC CORP

CUSIP: 885175307 Class: COM NEW

PROFUND ADVISORS LLC's Holding History (CIK: 0001129919)

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

Q3 2015
Shares 8,080 Value ($000) $511 Avg Close — Range —
Q2 2015
Shares 10,682 Value ($000) $476 Avg Close — Range —
Q1 2015
Shares 12,088 Value ($000) $506 Avg Close — Range —
Q4 2014
Shares 11,173 Value ($000) $363 Avg Close — Range —
Q3 2014
Shares 9,438 Value ($000) $252 Avg Close — Range —
Q2 2014
Shares 14,686 Value ($000) $512 Avg Close — Range —
Q1 2014
Shares 15,956 Value ($000) $571 Avg Close — Range —
Q4 2013
Shares 13,977 Value ($000) $512 Avg Close — Range —
Q3 2013
Shares 13,128 Value ($000) $490 Avg Close — Range —
Q2 2013
Shares 10,118 Value ($000) $317 Avg Close — Range —