Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,568 | $276 | $163.37 | $138.00 - $185.17 |
| Q1 2020 | 8,826 | $2,792 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 7,833 | $2,324 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 5,668 | $1,319 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 6,937 | $1,622 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 4,915 | $1,161 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 4,943 | $1,487 | $319.14 | $278.46 - $358.41 |