Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 33 | $6 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 27 | $4 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 95 | $12 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 72 | $10 | $142.96 | $128.51 - $157.09 |
| Q2 2023 | 45 | $13 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 45 | $13 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 45 | $12 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 38 | $10 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 38 | $8 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 38 | $8 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 52 | $12 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 52 | $15 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 92 | $32 | $302.94 | $257.03 - $468.55 |
| Q4 2017 | 918 | $292 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 1,285 | $403 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,405 | $382 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 1,470 | $403 | $282.75 | $260.50 - $301.42 |