Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 160 | $28 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 160 | $22 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 610 | $77 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 750 | $103 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 470 | $72 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 630 | $122 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 525 | $122 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 525 | $113 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 525 | $136 | $245.62 | $220.86 - $269.43 |
| Q3 2021 | 80 | $23 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 80 | $28 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 80 | $22 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 80 | $20 | $259.08 | $223.25 - $363.92 |