Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 4,170 | $1,167 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 5,850 | $1,432 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 6,060 | $1,719 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 5,077 | $1,358 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 5,215 | $1,650 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 3,854 | $1,144 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 944 | $220 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 994 | $232 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,139 | $269 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 1,029 | $310 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 974 | $344 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,002 | $291 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 974 | $267 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,052 | $335 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 1,052 | $329 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,052 | $285 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 1,152 | $315 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 1,343 | $381 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 1,473 | $461 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,618 | $391 | $263.54 | $223.02 - $292.69 |
| Q4 2015 | 2,539 | $778 | $287.35 | $254.00 - $311.65 |