Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,923 | $690 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 3,359 | $471 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 3,359 | $422 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,311 | $316 | $142.96 | $128.51 - $157.09 |
| Q4 2017 | 906 | $289 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 922 | $289 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,070 | $290 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 1,272 | $348 | $282.75 | $260.50 - $301.42 |
| Q3 2016 | 4,775 | $1,495 | $296.18 | $240.07 - $333.65 |