Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,686 | $1,177 | $163.37 | $138.00 - $185.17 |
| Q1 2023 | 6,715 | $1,867 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 3,652 | $1,011 | $282.44 | $250.31 - $311.88 |