Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,706 | $300 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,633 | $229 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,594 | $200 | $124.60 | $110.04 - $137.32 |
| Q3 2021 | 801 | $226 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 797 | $277 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 796 | $223 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 1,029 | $293 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 936 | $250 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,714 | $542 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,753 | $521 | $277.46 | $219.70 - $318.00 |