Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,800 | $317 | $163.37 | $138.00 - $185.17 |
| Q2 2025 | 4,614 | $579 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 4,384 | $600 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 4,391 | $671 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 4,090 | $793 | $209.21 | $188.78 - $238.00 |
| Q1 2019 | 39,706 | $9,386 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 38,219 | $11,501 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 38,936 | $13,756 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 38,665 | $11,222 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 35,015 | $9,588 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 32,521 | $10,360 | $320.80 | $301.81 - $348.84 |