Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 23,809 | $4,190 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 22,269 | $3,120 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 20,224 | $2,540 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 19,904 | $2,724 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 15,467 | $2,365 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 13,533 | $2,623 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 13,433 | $3,114 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 12,334 | $2,660 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 11,204 | $2,899 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 10,334 | $2,656 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 10,274 | $2,927 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 9,723 | $2,703 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 9,447 | $2,616 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 9,543 | $2,548 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 9,851 | $2,009 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 8,139 | $1,714 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 7,249 | $1,739 | $257.12 | $221.72 - $290.76 |