Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 670 | $229 | $302.94 | $257.03 - $468.55 |
| Q1 2020 | 781 | $247 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 781 | $232 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 865 | $201 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 865 | $202 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 865 | $204 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 865 | $260 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 865 | $306 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 869 | $252 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 884 | $242 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 894 | $285 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 869 | $272 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 869 | $236 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 869 | $238 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 889 | $252 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 885 | $277 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 835 | $202 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 835 | $217 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 835 | $256 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 835 | $244 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 815 | $329 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 837 | $353 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,000 | $339 | $323.51 | $290.85 - $361.93 |