Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 21,720 | $3,823 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 2,222 | $311 | $135.17 | $121.05 - $150.28 |
| Q4 2024 | 2,745 | $420 | $168.67 | $145.07 - $195.00 |
| Q4 2021 | 2,686 | $644 | $257.12 | $221.72 - $290.76 |
| Q4 2020 | 42,471 | $10,399 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 19,034 | $5,400 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 11,876 | $3,177 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 32,747 | $10,360 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 29,387 | $8,720 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 47,563 | $11,074 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 23,119 | $5,407 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 2,957 | $699 | $314.89 | $216.12 - $344.00 |