Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,597 | $281 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,598 | $224 | $135.17 | $121.05 - $150.28 |
| Q3 2024 | 1,241 | $241 | $209.21 | $188.78 - $238.00 |
| Q3 2023 | 183 | $47 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 58 | $17 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 59 | $16 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 58 | $16 | $282.44 | $250.31 - $311.88 |