Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2023 | 1,160 | $323 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 3,297 | $913 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 3,497 | $933 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 3,436 | $701 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 3,340 | $703 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 3,632 | $871 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 4,229 | $1,196 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 4,175 | $1,445 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 3,013 | $843 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 4,120 | $1,009 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,186 | $337 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 952 | $255 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 941 | $298 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 859 | $255 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 768 | $179 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 785 | $184 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 940 | $222 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 821 | $247 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 2,118 | $748 | $344.30 | $288.13 - $388.67 |
| Q4 2017 | 1,989 | $634 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 3,686 | $1,154 | $296.11 | $269.50 - $330.00 |