Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 5,844 | $1,260 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 5,899 | $1,526 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 5,992 | $1,540 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 6,308 | $1,797 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 6,441 | $1,791 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 8,170 | $2,262 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 8,639 | $2,307 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 8,821 | $1,799 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 9,065 | $1,909 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 16,778 | $4,025 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 17,344 | $4,908 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 18,123 | $6,275 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 21,025 | $5,882 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 22,360 | $5,475 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 24,351 | $6,908 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 26,170 | $7,002 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 29,876 | $9,452 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 30,372 | $9,012 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 30,785 | $7,167 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 38,284 | $8,953 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 36,846 | $8,710 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 38,979 | $11,730 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 39,072 | $13,805 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 41,893 | $12,159,024 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 27,201 | $7,448,177 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 41,518 | $13,226 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 108,840 | $34,080 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 111,228 | $30,183 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 115,215 | $31,502 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 117,582 | $33,344 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 121,624 | $38,072 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 123,103 | $29,769 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 124,343 | $32,369 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 128,128 | $39,252 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 136,838 | $39,931 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 139,218 | $56,236 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 138,051 | $58,291 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 140,583 | $47,721 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 141,073 | $46,668 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 143,918 | $45,379 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 150,132 | $45,921 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 152,344 | $42,618 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 156,151 | $37,595 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 157,223 | $33,834 | $213.68 | $191.80 - $242.64 |