Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 628 | $111 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 734 | $113 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 816 | $106 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,335 | $308 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 9,760 | $1,492 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 11,335 | $2,163 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 9,241 | $2,143 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 6,216 | $1,663 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 4,761 | $1,326 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 4,654 | $1,265 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 4,288 | $1,303 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 4,175 | $1,237 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 4,135 | $1,209 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 4,583 | $1,290 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 4,193 | $932 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 3,685 | $801 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 4,236 | $1,051 | $257.12 | $221.72 - $290.76 |