Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,459 | $433 | $163.37 | $138.00 - $185.17 |
| Q1 2025 | 16,743 | $2,291 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 2,284 | $349 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 6,955 | $1,348 | $209.21 | $188.78 - $238.00 |
| Q1 2024 | 7,176 | $1,547 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 3,140 | $813 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 2,119 | $545 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 2,384 | $679 | $297.86 | $273.39 - $319.76 |
| Q4 2022 | 830 | $230 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 1,373 | $367 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 2,517 | $513 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 2,005 | $422 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 857 | $206 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 2,500 | $707 | $327.75 | $282.64 - $372.12 |