Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 27,960 | $4,921 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 23,117 | $3,238 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 108,868 | $13,673 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 81,659 | $11,083 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 114,363 | $17,488 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 12,471 | $2,417 | $209.21 | $188.78 - $238.00 |
| Q1 2024 | 22,724 | $4,900 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 7,964 | $2,061 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 6,485 | $1,667 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 4,934 | $1,405 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 273 | $76 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 10,675 | $2,956 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 16,481 | $4,400 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 111,783 | $22,797 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 123,202 | $25,946 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 86,120 | $20,662 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 35,416 | $10,022 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,247 | $432 | $302.94 | $257.03 - $468.55 |