Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 5,991 | $865 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 6,299 | $882 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 5,148 | $647 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 43,045 | $5,890 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 41,598 | $6,361 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,688 | $327 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 2,385 | $553 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 2,574 | $555 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 2,815 | $728 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 972 | $250 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 739 | $211 | $297.86 | $273.39 - $319.76 |
| Q2 2021 | 705 | $244 | $302.94 | $257.03 - $468.55 |