Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 185,118 | $52,387 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 182,021 | $63,028 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 159,721 | $44,682 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 157,598 | $38,589 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 91,600 | $25,985 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 94,998 | $25,417 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 92,979 | $29,417 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 99,622 | $29,561 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 128,266 | $29,863 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 122,488 | $28,646 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 148,560 | $35,117 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 100,188 | $30,149 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 115,592 | $40,840 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 194,892 | $56,565 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 199,827 | $54,717 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 189,169 | $60,264 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 204,509 | $64,036 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 240,228 | $65,188 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 246,818 | $67,485 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 240,440 | $68,184 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 273,660 | $85,664 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 330,936 | $80,027 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 340,278 | $88,581 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 392,969 | $120,386 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 321,221 | $93,736 | $330.23 | $265.00 - $412.24 |