Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,742 | $307 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,719 | $241 | $135.17 | $121.05 - $150.28 |
| Q4 2023 | 838 | $217 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 887 | $228 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 887 | $253 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 887 | $247 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 893 | $247 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 887 | $237 | $212.38 | $193.65 - $283.44 |
| Q4 2021 | 887 | $213 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 887 | $251 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 887 | $307 | $302.94 | $257.03 - $468.55 |