Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2020 | 2,208 | $626 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 2,568 | $687 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 2,323 | $735 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 2,793 | $829 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 2,741 | $638 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 2,824 | $660 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 81,828 | $19,343 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 88,906 | $26,754 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 97,352 | $34,395 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 105,545 | $30,633 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 109,151 | $29,888 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 112,261 | $35,763 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 118,791 | $37,196 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 114,656 | $31,113 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 115,867 | $31,680 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 110,056 | $31,210 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 114,325 | $35,787 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 118,388 | $28,629 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 121,849 | $31,720 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 91,591 | $28,059 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 89,672 | $26,167 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 85,905 | $34,700 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 87,496 | $36,944 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 92,676 | $31,459 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 96,581 | $31,950 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 99,704 | $31,438 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 90,275 | $27,612 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 109,099 | $30,501 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 114,646 | $27,602 | $223.81 | $203.55 - $248.95 |