Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 75,412 | $13,272 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 80,419 | $11,265 | $135.17 | $121.05 - $150.28 |
| Q3 2024 | 19,940 | $3,865 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 19,365 | $4,489 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 19,365 | $4,176 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 20,000 | $5,175 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 28,069 | $7,214 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 26,854 | $7,649 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 11,311 | $3,145 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 21,975 | $6,085 | $282.44 | $250.31 - $311.88 |
| Q2 2022 | 20,825 | $4,247 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 10,248 | $230 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 5,744 | $1,378 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 4,389 | $1,242 | $327.75 | $282.64 - $372.12 |
| Q1 2021 | 5,000 | $1,399 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 3,000 | $735 | $259.08 | $223.25 - $363.92 |