Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2022 | 13,435 | $2,830 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 14,219 | $3,411 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 14,986 | $4,241 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 15,556 | $4,352 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 15,556 | $4,352 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 15,249 | $3,734 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 15,627 | $4,433 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 15,790 | $4,225 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 15,748 | $4,982 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 15,761 | $4,676 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 16,345 | $3,806 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 16,632 | $3,889 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 16,587 | $3,921 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 16,800 | $5,056 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 20,477 | $7,195 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 20,746 | $6,171 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 20,725 | $5,874 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 20,902 | $6,723 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 21,250 | $6,734 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 18,705 | $5,282 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 19,786 | $5,609 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 21,468 | $6,257 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 18,844 | $5,899 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 19,442 | $4,701 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 18,935 | $4,929 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 19,575 | $5,996 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 19,849 | $5,792 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 28,844 | $10,785 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 28,844 | $10,785 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 28,698 | $9,742 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 26,351 | $8,717 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 27,749 | $8,750 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 25,607 | $7,833 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 31,788 | $8,887 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 29,900 | $7,199 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 29,858 | $6,425 | $213.68 | $191.80 - $242.64 |