Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,293 | $228 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,527 | $214 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 3,379 | $424 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,561 | $350 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 2,505 | $383 | $168.67 | $145.07 - $195.00 |
| Q2 2023 | 368 | $105 | $297.86 | $273.39 - $319.76 |
| Q4 2022 | 363 | $101 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 913 | $244 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 234 | $48 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 1,184 | $249 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 1,329 | $319 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 1,020 | $288 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,067 | $369 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 160 | $45 | $269.69 | $238.40 - $296.38 |