Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,020 | $180 | $163.37 | $138.00 - $185.17 |
| Q2 2023 | 771 | $220 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 768 | $214 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 849 | $235 | $282.44 | $250.31 - $311.88 |
| Q3 2021 | 711 | $201 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 708 | $245 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 715 | $200 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 459 | $113 | $259.08 | $223.25 - $363.92 |
| Q1 2020 | 655 | $206 | $303.47 | $262.25 - $374.99 |
| Q4 2018 | 1,231 | $370 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 1,226 | $434 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,291 | $375 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,273 | $348 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 416 | $133 | $320.80 | $301.81 - $348.84 |