Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2020 | 145,780 | $35,695 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 193,514 | $54,896 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 210,230 | $56,247 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 231,085 | $73,111 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 210,471 | $62,453 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 217,807 | $50,710 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 133,247 | $31,163 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 167,469 | $39,586 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 160,479 | $48,292 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 160,338 | $56,649 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 152,082 | $44,140 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 121,958 | $33,394 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 126,548 | $40,315 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 107,768 | $33,744 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 95,761 | $25,986 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 95,912 | $26,225 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 93,414 | $26,490 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 94,817 | $29,681 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 89,363 | $21,610 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 87,211 | $22,703 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 89,107 | $27,298 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 82,684 | $24,128 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 82,266 | $33,231 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 77,710 | $32,812 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 70,372 | $23,888 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 67,062 | $22,185 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 60,814 | $19,175 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 59,879 | $18,315 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 54,584 | $15,260 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 49,697 | $11,965 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 43,294 | $9,317 | $213.68 | $191.80 - $242.64 |