Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 447 | $79 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 447 | $63 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 447 | $56 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 285 | $39 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 28 | $4 | $168.67 | $145.07 - $195.00 |
| Q3 2023 | 1,434 | $369 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,451 | $413 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,362 | $379 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 1,476 | $409 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 1,571 | $418 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 1,576 | $322 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 1,535 | $323 | $217.46 | $192.67 - $249.00 |
| Q1 2019 | 45 | $11 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 45 | $14 | $319.14 | $278.46 - $358.41 |