Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,649 | $290 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,679 | $235 | $135.17 | $121.05 - $150.28 |
| Q4 2023 | 1,435 | $371 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,435 | $369 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,470 | $419 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,588 | $442 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 3,245 | $899 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 3,845 | $1,027 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 3,834 | $782 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 2,025 | $426 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 1,425 | $342 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 1,387 | $376 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,387 | $480 | $302.94 | $257.03 - $468.55 |
| Q3 2020 | 771 | $219 | $278.91 | $261.87 - $312.00 |