Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 778,461 | $137 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,067,482 | $150 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,394,476 | $175 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,660,290 | $364 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 3,099,786 | $474 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 4,256,286 | $825 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 5,678,859 | $1,316 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 5,169,970 | $1,115 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 5,357,326 | $1,386 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 4,754,991 | $1,222 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 3,399,070 | $968 | $297.86 | $273.39 - $319.76 |