Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 877 | $248 | $327.75 | $282.64 - $372.12 |
| Q1 2021 | 1,611 | $451 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,611 | $394 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,599 | $454 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,788 | $478 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,761 | $557 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,623 | $482 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 1,624 | $378 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,474 | $345 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,419 | $335 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 2,275 | $685 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 2,190 | $774 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 2,491 | $723 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 2,031 | $556 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,274 | $406 | $320.80 | $301.81 - $348.84 |
| Q3 2016 | 5,056 | $1,583 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,333 | $564 | $263.54 | $223.02 - $292.69 |
| Q4 2015 | 2,200 | $674 | $287.35 | $254.00 - $311.65 |