Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 265 | $47 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 265 | $37 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 265 | $33 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 265 | $36 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 265 | $41 | $168.67 | $145.07 - $195.00 |
| Q1 2021 | 736 | $205 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 924 | $226 | $259.08 | $223.25 - $363.92 |
| Q1 2020 | 313 | $99 | $303.47 | $262.25 - $374.99 |
| Q3 2019 | 693 | $161 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 748 | $174 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 736 | $174 | $314.89 | $216.12 - $344.00 |