Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2023 | 1,114 | $288 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,500 | $386 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,696 | $483 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 2,322 | $646 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 2,693 | $746 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 2,954 | $789 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 6,695 | $1,365 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 7,402 | $1,559 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 9,324 | $2,237 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 13,308 | $3,766 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 14,337 | $4,964 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 14,485 | $4,052 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 14,337 | $3,532 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 13,050 | $3,702 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 11,986 | $3,207 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 11,177 | $3,536 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 10,747 | $3,189 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 10,734 | $2,499 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 10,934 | $2,557 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 10,772 | $2,546 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 12,325 | $3,709 | $319.14 | $278.46 - $358.41 |