Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 4,791 | $843 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 2,473 | $346 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,663 | $209 | $124.60 | $110.04 - $137.32 |
| Q4 2023 | 820 | $212 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 907 | $233 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 907 | $258 | $297.86 | $273.39 - $319.76 |
| Q4 2020 | 362 | $89 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 362 | $103 | $278.91 | $261.87 - $312.00 |
| Q4 2019 | 921 | $273 | $277.46 | $219.70 - $318.00 |