Impax Asset Management Group’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$4.21M Sell
2025
Q1
$4.91M Sell
2024
Q4
$5.62M Sell
2024
Q3
$7.52M Buy
2024
Q2
$6.4M Buy
2024
Q1
Sell
2023
Q4
$799K Sell
2023
Q3
$795K Sell
2023
Q2
$1.02M Sell
2023
Q1
$1.02M Sell
2022
Q4
$1.06M Buy
2020
Q3
Sell
2020
Q2
$7.92M Buy
2020
Q1
$7.16M Sell
2019
Q4
$8.46M Sell
2019
Q3
$7.55M Buy
2019
Q2
$7.51M Sell
2019
Q1
$10.7M Sell
2018
Q4
$13.8M Buy
2018
Q3
$16.2M Buy