Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,282 | $226 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 902 | $126 | $135.17 | $121.05 - $150.28 |
| Q1 2025 | 2,767 | $379 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 1,728 | $264 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 300 | $58 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,223 | $264 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 1,042 | $270 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,048 | $271 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,163 | $299 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,637 | $466 | $297.86 | $273.39 - $319.76 |
| Q3 2021 | 721 | $204 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 653 | $226 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 735 | $206 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 963 | $273 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,396 | $373 | $300.59 | $257.60 - $350.24 |