Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 867 | $153 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 867 | $121 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,935 | $243 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 806 | $110 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 742 | $113 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 773 | $150 | $209.21 | $188.78 - $238.00 |
| Q1 2021 | 2,612 | $731 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 2,633 | $645 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 3,544 | $1,005 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 3,544 | $948 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 3,564 | $1,128 | $303.47 | $262.25 - $374.99 |
| Q4 2018 | 669 | $201 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 624 | $220 | $344.30 | $288.13 - $388.67 |