Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 37,948 | $7,199 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 32,907 | $5,009 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 27,867 | $3,703 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 19,049 | $2,607 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 16,443 | $2,514 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 4,939 | $957 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 6,122 | $1,419 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 6,058 | $1,306 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 6,491 | $1,680 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 12,011 | $3,087 | $267.47 | $251.85 - $287.60 |
| Q1 2023 | 5,164 | $1,436 | $276.70 | $254.80 - $295.90 |
| Q1 2021 | 4,048 | $1,100 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 3,819 | $1,053 | $259.08 | $223.25 - $363.92 |
| Q1 2019 | 3,342 | $769 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 4,047 | $1,366 | $319.14 | $278.46 - $358.41 |
| Q2 2018 | 3,812 | $1,315 | $281.15 | $249.17 - $310.91 |
| Q2 2017 | 2,767 | $756 | $264.42 | $244.28 - $291.90 |