BlackRock’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 | $1.7B | Sell |
|
|||||
|
2025
Q1 | $2.08B | Sell |
|
|||||
|
2024
Q4 | $2.37B | Buy |
|
|||||
|
2024
Q3 | $2.97B | Buy |
|
|||||
|
2024
Q2 | $3.37B | Buy |
|
|||||
|
2024
Q1 | $3.05B | Sell |
|
|||||
|
2023
Q4 | $3.69B | Buy |
|
|||||
|
2023
Q3 | $3.59B | Sell |
|
|||||
|
2023
Q2 | $4.01B | Buy |
|
|||||
|
2023
Q1 | $3.89B | Sell |
|
|||||
|
2022
Q4 | $3.95B | Buy |
|
|||||
|
2022
Q3 | $3.7B | Sell |
|
|||||
|
2022
Q2 | $2.95B | Buy |
|
|||||
|
2022
Q1 | $2.97B | Buy |
|
|||||
|
2021
Q4 | $3.29B | Sell |
|
|||||
|
2021
Q3 | $3.93B | Buy |
|
|||||
|
2021
Q2 | $4.57B | Sell |
|
|||||
|
2021
Q1 | $3.78B | Buy |
|
|||||
|
2020
Q4 | $3.29B | Sell |
|
|||||
|
2020
Q3 | $4.1B | Sell |
|
|||||
|
2020
Q2 | $3.91B | Sell |
|
|||||
|
2020
Q1 | $5.08B | Buy |
|
|||||
|
2019
Q4 | $4.65B | Buy |
|
|||||
|
2019
Q3 | $3.59B | Sell |
|
|||||
|
2019
Q2 | $3.74B | Sell |
|
|||||
|
2019
Q1 | $3.85B | Sell |
|
|||||
|
2018
Q4 | $4.99B | Buy |
|
|||||
|
2018
Q3 | $5.83B | Sell |
|
|||||
|
2018
Q2 | $4.96B | Sell |
|
|||||
|
2018
Q1 | $4.73B | Buy |
|
|||||
|
2017
Q4 | $5.35B | Sell |
|
|||||
|
2017
Q3 | $5.31B | Sell |
|
|||||
|
2017
Q2 | $4.91B | Buy |
|
|||||
|
2017
Q1 | $4.84B | Buy |
|
|||||
|
2016
Q4 | $175M | Buy |
|
|||||
|
2016
Q3 | $183M | Sell |
|
|||||
|
2016
Q2 | $157M | Buy |
|
|||||
|
2016
Q1 | $146M | Sell |
|
|||||
|
2015
Q4 | $221M | Buy |
|
|||||
|
2015
Q3 | $209M | Buy |
|
|||||
|
2015
Q2 | $262M | Sell |
|
|||||
|
2015
Q1 | $301M | Sell |
|
|||||
|
2014
Q4 | $244M | Buy |
|
|||||
|
2014
Q3 | $233M | Sell |
|
|||||
|
2014
Q2 | $239M | Buy |
|
|||||
|
2014
Q1 | $217M | Buy |
|
|||||
|
2013
Q4 | $187M | Buy |
|
|||||
|
2013
Q3 | $132M | Sell |
|
|||||
|
2013
Q2 | $120M | Buy |
|