Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 650 | $225 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 14,892 | $4,712 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 15,936 | $3,902 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 15,226 | $4,319 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 15,133 | $4,049 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 25,389 | $5,911 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 14,399 | $4,273 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 25,389 | $5,911 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 24,384 | $5,703 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 23,332 | $5,515 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 22,289 | $6,707 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 22,644 | $8,000 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 22,346 | $6,486 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 23,741 | $6,501 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 23,546 | $7,501 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 23,973 | $7,506 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 23,998 | $6,512 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 22,638 | $6,190 | $282.75 | $260.50 - $301.42 |
| Q3 2016 | 21,294 | $6,665 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 20,064 | $4,852 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 8,799 | $2,290 | $264.15 | $242.07 - $301.02 |
| Q1 2015 | 65 | $27 | $394.14 | $334.40 - $480.18 |