Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 5,779 | $1,017 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 6,030 | $845 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 8,169 | $1,026 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 73,129 | $10,007 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 94,554 | $14,459 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 56,669 | $10,985 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 7,705 | $1,786 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 63,766 | $13,750 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,337 | $346 | $245.62 | $220.86 - $269.43 |
| Q2 2023 | 2,135 | $608 | $297.86 | $273.39 - $319.76 |
| Q3 2022 | 925 | $247 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 16,034 | $3,270 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 955 | $201 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 1,384 | $332 | $257.12 | $221.72 - $290.76 |
| Q2 2021 | 1,074 | $372 | $302.94 | $257.03 - $468.55 |