Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,377 | $419 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 2,444 | $342 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,671 | $210 | $124.60 | $110.04 - $137.32 |
| Q4 2024 | 1,360 | $205 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,782 | $340 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,280 | $297 | $217.32 | $189.44 - $237.54 |
| Q2 2018 | 977 | $284 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 842 | $231 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 856 | $273 | $320.80 | $301.81 - $348.84 |
| Q3 2016 | 1,270 | $398 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,204 | $291 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 875 | $228 | $264.15 | $242.07 - $301.02 |
| Q1 2014 | 942 | $288 | $317.43 | $270.62 - $358.89 |