Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,087 | $367 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 3,325 | $466 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 3,212 | $403 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,789 | $382 | $142.96 | $128.51 - $157.09 |
| Q3 2018 | 115 | $228 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 205 | $59 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 330 | $90 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 375 | $119 | $320.80 | $301.81 - $348.84 |