Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 4,664 | $821 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 4,374 | $613 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 4,209 | $529 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 1,610 | $220 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 1,392 | $213 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,522 | $295 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,951 | $452 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 1,529 | $330 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,688 | $437 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,694 | $435 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 2,111 | $601 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,985 | $552 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 1,698 | $470 | $282.44 | $250.31 - $311.88 |