Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,104 | $370 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 2,613 | $366 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 2,298 | $289 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,180 | $298 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 1,495 | $229 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,967 | $381 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 2,502 | $580 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 1,666 | $359 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 802 | $208 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,128 | $290 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 862 | $246 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 790 | $220 | $276.70 | $254.80 - $295.90 |
| Q3 2021 | 725 | $205 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 721 | $250 | $302.94 | $257.03 - $468.55 |
| Q3 2020 | 724 | $205 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 772 | $206 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 676 | $214 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 744 | $221 | $277.46 | $219.70 - $318.00 |