THORATEC CORP

CUSIP: 885175307 Class: COM NEW

AMERICAN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001320168)

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

Q3 2015
Shares 33,000 Value ($000) $2,088 Avg Close — Range —
Q2 2015
Shares 37,100 Value ($000) $1,654 Avg Close — Range —
Q1 2015
Shares 37,700 Value ($000) $1,579 Avg Close — Range —
Q4 2014
Shares 38,400 Value ($000) $1,246 Avg Close — Range —
Q3 2014
Shares 37,700 Value ($000) $1,008 Avg Close — Range —
Q2 2014
Shares 52,500 Value ($000) $1,830 Avg Close — Range —
Q1 2014
Shares 50,500 Value ($000) $1,808 Avg Close — Range —
Q4 2013
Shares 52,750 Value ($000) $1,931 Avg Close — Range —
Q3 2013
Shares 47,400 Value ($000) $1,768 Avg Close — Range —
Q2 2013
Shares 46,700 Value ($000) $1,462 Avg Close — Range —