Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 675 | $119 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 638 | $89 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 517 | $65 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 81 | $11 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 163 | $25 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 22 | $4 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 486 | $113 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 209 | $45 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 36 | $9 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 36 | $9 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 36 | $10 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 123 | $34 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 131 | $36 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 93 | $25 | $212.38 | $193.65 - $283.44 |
| Q3 2021 | 77 | $22 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 77 | $27 | $302.94 | $257.03 - $468.55 |
| Q4 2019 | 4 | $1 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 4 | $1 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 4 | $1 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 4 | $1 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 4 | $1 | $319.14 | $278.46 - $358.41 |