Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 247 | $43 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 109 | $15 | $135.17 | $121.05 - $150.28 |
| Q4 2024 | 195 | $30 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,901 | $368 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,844 | $427 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 1,825 | $394 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,833 | $474 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,955 | $502 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,910 | $544 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,910 | $531 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 1,910 | $529 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 1,923 | $513 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 1,716 | $350 | $204.43 | $187.16 - $225.50 |
| Q2 2021 | 120 | $42 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 115 | $32 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 4,764 | $1,351 | $278.91 | $261.87 - $312.00 |