Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 22,730 | $6,432 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 25,083 | $8,746 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 27,304 | $7,638 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 26,405 | $6,465 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 23,085 | $6,117 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 23,531 | $6,295 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 19,458 | $6,156 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 16,518 | $4,901 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 16,730 | $3,895 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 17,035 | $4,011 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 14,063 | $3,323 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 9,969 | $2,999 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 9,401 | $3,321 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 9,064 | $2,677 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 8,624 | $2,361 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 6,864 | $2,186 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 5,383 | $1,670 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 5,045 | $1,442 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 3,716 | $1,009 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,556 | $705 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,097 | $618 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,850 | $447 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 2,920 | $760 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 3,187 | $976 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 3,291 | $960 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 1,980 | $799 | $401.33 | $368.88 - $432.88 |