Wellington Management Group’s THORATEC CORPORATION THOR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2015
Q4
Sell
2015
Q3
$11.4M Sell
2015
Q2
$10.8M Buy
2015
Q1
$9.69M Buy
2014
Q4
$6.83M Sell
2014
Q3
$5.81M Buy
2014
Q2
$7.47M Buy
2014
Q1
$7.24M Buy
2013
Q4
$2.85M Buy
2013
Q3
Sell
2013
Q2
$746K Buy