Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2025 | 6,969 | $976 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 12,891 | $1,619 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 9,114 | $1,247 | $142.96 | $128.51 - $157.09 |
| Q3 2024 | 7,922 | $1,536 | $209.21 | $188.78 - $238.00 |
| Q1 2024 | 1,974 | $426 | $234.20 | $211.02 - $268.30 |
| Q2 2023 | 2,380 | $678 | $297.86 | $273.39 - $319.76 |
| Q4 2022 | 1,854 | $513 | $282.44 | $250.31 - $311.88 |
| Q2 2022 | 2,862 | $584 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 1,607 | $338 | $217.46 | $192.67 - $249.00 |
| Q3 2021 | 707 | $200 | $327.75 | $282.64 - $372.12 |
| Q3 2019 | 2,394 | $557 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 2,191 | $512 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 2,270 | $537 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 1,265 | $381 | $319.14 | $278.46 - $358.41 |