Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,080 | $1,070 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 7,750 | $1,086 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 6,920 | $869 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 3,730 | $510 | $142.96 | $128.51 - $157.09 |
| Q3 2022 | 6,378 | $1,703 | $212.38 | $193.65 - $283.44 |
| Q4 2021 | 2,800 | $672 | $257.12 | $221.72 - $290.76 |
| Q2 2021 | 1,832 | $634 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 11,121 | $3,111 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 15,089 | $3,695 | $259.08 | $223.25 - $363.92 |
| Q2 2020 | 19,196 | $5,136 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 820 | $259 | $303.47 | $262.25 - $374.99 |