Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,604 | $282 | $163.37 | $138.00 - $185.17 |
| Q3 2023 | 809 | $208 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 809 | $230 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 852 | $237 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 852 | $236 | $282.44 | $250.31 - $311.88 |
| Q3 2021 | 811 | $230 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,074 | $372 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,261 | $353 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,182 | $289 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,275 | $362 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 992 | $265 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 701 | $222 | $303.47 | $262.25 - $374.99 |
| Q1 2019 | 6 | $1 | $314.89 | $216.12 - $344.00 |