Summit Trail Advisors’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
$825K Buy
2025
Q2
$337K Buy
2019
Q1
Sell
2018
Q4
$457K Sell
2018
Q3
$1.01M Buy
2018
Q2
$757K Sell
2018
Q1
$1.49M Buy
2017
Q4
$2.04M Buy