Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 12,825 | $2,257 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 8,856 | $1,217 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 7,579 | $956 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 7,515 | $1,040 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 4,965 | $759 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 3,619 | $705 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,499 | $347 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 169 | $36 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 4 | $1 | $245.62 | $220.86 - $269.43 |
| Q4 2022 | 6 | $2 | $282.44 | $250.31 - $311.88 |
| Q1 2022 | 30 | $6 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 160 | $38 | $257.12 | $221.72 - $290.76 |
| Q4 2020 | 123 | $30 | $259.08 | $223.25 - $363.92 |
| Q3 2013 | 87 | $21 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 1,124 | $242 | $213.68 | $191.80 - $242.64 |