Mizuho Securities USA’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$1.41M Buy
2025
Q2
$1.27M Sell
2025
Q1
$1.6M Sell
2024
Q4
$2.11M Buy
2024
Q3
$1.83M Sell
2024
Q2
$2.6M Buy
2016
Q4
Sell
2016
Q3
$36.1M Buy
2015
Q3
Sell
2015
Q2
$299K Sell
2015
Q1
$8.63M Buy
2014
Q4
$2.39M Buy
2014
Q3
$1.36M Buy
2014
Q1
Sell
2013
Q4
$7.97M Buy
2013
Q3
$4.93M Sell
2013
Q2
$5.17M Buy