BlackRock Fund Advisors’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
$1.5B Buy
2016
Q3
$1.56B Buy
2016
Q2
$1.17B Buy
2016
Q1
$1.24B Sell
2015
Q4
$1.58B Sell
2015
Q3
$1.56B Buy
2015
Q2
$1.87B Buy
2015
Q1
$1.86B Sell
2014
Q4
$1.54B Buy
2014
Q3
$1.3B Buy
2014
Q2
$1.19B Sell
2014
Q1
$1.18B Buy
2013
Q4
$985M Sell
2013
Q3
$874M Buy
2013
Q2
$681M Buy