Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,541 | $271 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,554 | $218 | $135.17 | $121.05 - $150.28 |
| Q4 2024 | 1,931 | $295 | $168.67 | $145.07 - $195.00 |