Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 48,591 | $8,552 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 44,496 | $6,233 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 12,438 | $1,568 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 7,855 | $1,037 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 14,912 | $2,280 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 7,169 | $1,546 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 7,860 | $1,822 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 7,169 | $1,546 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 13,859 | $3,586 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 7,569 | $1,945 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 5,840 | $1,664 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 6,357 | $1,767 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 9,251 | $2,562 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 5,203 | $1,389 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 3,522 | $718 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 2,497 | $526 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 2,170 | $521 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 2,946 | $834 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 2,199 | $761 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 2,369 | $663 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,854 | $454 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 997 | $283 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,749 | $468 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,860 | $588 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,698 | $504 | $277.46 | $219.70 - $318.00 |