Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 18,218 | $6,308 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 18,184 | $6,361 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 18,147 | $4,443 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 18,053 | $5,121 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 17,831 | $4,771 | $300.59 | $257.60 - $350.24 |
| Q4 2019 | 17,768 | $5,272 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 17,774 | $4,138 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 17,780 | $4,158 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 17,843 | $4,218 | $314.89 | $216.12 - $344.00 |
| Q3 2018 | 18,368 | $6,490 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 25,171 | $7,306 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 25,171 | $6,892 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 24,682 | $7,863 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 24,547 | $7,686 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 25,545 | $6,932 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 25,557 | $6,988 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 23,279 | $6,601 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 23,478 | $7,349 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 23,703 | $5,732 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 23,853 | $6,209 | $264.15 | $242.07 - $301.02 |