Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,726 | $480 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 4,387 | $614 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 3,689 | $463 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 2,080 | $285 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 4,479 | $685 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,571 | $305 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 4,056 | $940 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 3,570 | $770 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 2,014 | $521 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 2,329 | $599 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,647 | $469 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 2,996 | $1 | $276.70 | $254.80 - $295.90 |
| Q2 2022 | 2,010 | $410 | $204.43 | $187.16 - $225.50 |