Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 42,742 | $7,522 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 47,947 | $6,716 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 56,238 | $7,063 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 64,150 | $8,778 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 181,859 | $27,810 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 27,691 | $5,368 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 42,696 | $9,898 | $217.32 | $189.44 - $237.54 |
| Q4 2023 | 25,000 | $6,469 | $245.62 | $220.86 - $269.43 |
| Q4 2022 | 8,411 | $2,329 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 746 | $199 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 677 | $138 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 230 | $48 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 14,207 | $3,409 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 230 | $65 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 230 | $80 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 230 | $64 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 232 | $57 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 828 | $235 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 995 | $266 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 100,064 | $31,658 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 100,358 | $29,779 | $277.46 | $219.70 - $318.00 |