Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2025 | 21,516 | $2,702 | $124.60 | $110.04 - $137.32 |
| Q1 2023 | 962 | $267 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 962 | $266 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 10,962 | $2,926 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 1,122 | $228 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 1,122 | $237 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 29,533 | $7,087 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 32,243 | $9,123 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 125,962 | $43,618 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 5,700 | $1,594 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 5,700 | $1,396 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 3,000 | $852 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 795 | $213 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 795 | $252 | $303.47 | $262.25 - $374.99 |