Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,706 | $0 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,453 | $0 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,370 | $0 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 1,315 | $0 | $142.96 | $128.51 - $157.09 |
| Q2 2024 | 1,005 | $233 | $217.32 | $189.44 - $237.54 |
| Q4 2023 | 865 | $224 | $245.62 | $220.86 - $269.43 |
| Q2 2023 | 712 | $203 | $297.86 | $273.39 - $319.76 |
| Q2 2022 | 93 | $19 | $204.43 | $187.16 - $225.50 |
| Q3 2021 | 320 | $91 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 335 | $116 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 238 | $67 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 208 | $51 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 145 | $41 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 68 | $18 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 87 | $28 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 57 | $17 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 21 | $5 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 53 | $12 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 52 | $12 | $314.89 | $216.12 - $344.00 |