Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 28,375 | $4,994 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 11,680 | $1,636 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 6,076 | $763 | $124.60 | $110.04 - $137.32 |
| Q4 2022 | 725 | $201 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 1,883 | $503 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 1,538 | $314 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 1,072 | $226 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 1,305 | $313 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 2,241 | $634 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 2,239 | $775 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,537 | $430 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,187 | $291 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,292 | $367 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 767 | $205 | $300.59 | $257.60 - $350.24 |