Berkshire Hathaway
BIIB icon

Berkshire Hathaway’s Biogen BIIB Stock Holding History

Berkshire Hathaway’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q2 		– Sell
2021
Q1 		$180M Hold
2020
Q4 		$157M Hold
2020
Q3 		$182M Hold
2020
Q2 		$172M Hold
2020
Q1 		$203M Sell
2019
Q4 		$192M Buy