Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2023 | 1,169 | $0 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 22,902 | $6 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 23,863 | $7 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 21,390 | $6 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 18,506 | $5 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 8,972 | $2,395 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 8,740 | $1,782 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 8,740 | $1,840 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 8,482 | $2,034 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 9,484 | $2,684 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 11,002 | $3,809 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 18,497 | $5,175 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 22,331 | $5,468 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 38,495 | $10,920 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 85,452 | $22,863 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 65,930 | $20,859 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 20,345 | $6,037 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 29,880 | $6,957 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 33,431 | $7,819 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 27,416 | $6,479 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 25,789 | $7,760 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 21,109 | $7,454 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 24,345 | $7,062 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 24,345 | $6,663 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 25,400 | $8,088 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 15,086 | $4,720 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 11,517 | $3,123 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 21,522 | $5,885 | $282.75 | $260.50 - $301.42 |