Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 476,812 | $83,914 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 751,386 | $105,254 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 739,416 | $92,863 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 397,697 | $54,421 | $142.96 | $128.51 - $157.09 |
| Q2 2023 | 1,819 | $518 | $297.86 | $273.39 - $319.76 |
| Q4 2021 | 191,861 | $46,379 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 254,997 | $72,162 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 272,513 | $94,363 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 507,779 | $142,051 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 139,476 | $34,152 | $259.08 | $223.25 - $363.92 |