Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2025 | 11,083 | $1,392 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 3,880 | $531 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 26,179 | $4,003 | $168.67 | $145.07 - $195.00 |
| Q1 2024 | 5,902 | $1,273 | $234.20 | $211.02 - $268.30 |
| Q3 2022 | 6,022 | $1,608 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 15,096 | $3,079 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 10,097 | $2,126 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 339 | $81 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 22,359 | $6,327 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 15,680 | $5,430 | $302.94 | $257.03 - $468.55 |
| Q4 2020 | 1,840 | $451 | $259.08 | $223.25 - $363.92 |
| Q2 2020 | 7,699 | $2,060 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 620 | $196 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,344 | $399 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 245 | $57 | $232.85 | $215.78 - $246.99 |
| Q1 2019 | 127 | $30 | $314.89 | $216.12 - $344.00 |
| Q2 2018 | 90 | $26 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 383 | $105 | $310.41 | $259.76 - $370.57 |
| Q3 2017 | 97 | $30 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 581 | $158 | $264.42 | $244.28 - $291.90 |
| Q4 2016 | 7,730 | $2,192 | $296.43 | $268.00 - $329.83 |
| Q2 2016 | 7,346 | $1,776 | $263.54 | $223.02 - $292.69 |
| Q4 2015 | 100 | $31 | $287.35 | $254.00 - $311.65 |
| Q1 2015 | 820 | $346 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 166 | $56 | $323.51 | $290.85 - $361.93 |