Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,133 | $551 | $163.37 | $138.00 - $185.17 |
| Q4 2024 | 3,608 | $552 | $168.67 | $145.07 - $195.00 |
| Q4 2023 | 760 | $207 | $245.62 | $220.86 - $269.43 |
| Q2 2023 | 2,194 | $618 | $297.86 | $273.39 - $319.76 |
| Q4 2021 | 1,332 | $319 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 1,534 | $437 | $327.75 | $282.64 - $372.12 |
| Q1 2021 | 1,849 | $510 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,330 | $323 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 8,746 | $2,330 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 6,951 | $1,724 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 6,956 | $2,134 | $303.47 | $262.25 - $374.99 |