Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 32,513 | $5,722 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 30,600 | $4,286 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 37,117 | $4,662 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 49,994 | $6,841 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 83,847 | $12,822 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 43,027 | $8,340 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 3,308 | $767 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 3,884 | $838 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 3,929 | $1,017 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 9,490 | $2,439 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 3,469 | $988 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 3,624 | $1,008 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 21,442 | $5,938 | $282.44 | $250.31 - $311.88 |
| Q1 2019 | 4,114 | $972 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 11,526 | $3,468 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 10,883 | $3,845 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 12,075 | $3,505 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 6,331 | $1,733 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,537 | $490 | $320.80 | $301.81 - $348.84 |
| Q1 2017 | 1,716 | $469 | $282.75 | $260.50 - $301.42 |