BlackRock Institutional Trust’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2016
Q4
$1.73B Buy
2016
Q3
$1.84B Buy
2016
Q2
$1.41B Buy
2016
Q1
$1.5B Sell
2015
Q4
$1.81B Sell
2015
Q3
$1.78B Buy
2015
Q2
$2.45B Sell
2015
Q1
$2.63B Sell
2014
Q4
$2.13B Buy
2014
Q3
$2.06B Sell
2014
Q2
$1.98B Buy
2014
Q1
$1.88B Buy
2013
Q4
$1.7B Sell
2013
Q3
$1.49B Sell
2013
Q2
$1.36B Buy