Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2020 | 913 | $224 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 913 | $259 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 5,515 | $1,476 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 4,925 | $1,558 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 11,077 | $3,287 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 11,191 | $2,605 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 6,125 | $1,432 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 6,228 | $1,472 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 1,962 | $590 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 1,760 | $622 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,768 | $484 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,768 | $484 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,768 | $563 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 1,848 | $579 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,848 | $501 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 1,848 | $505 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,060 | $584 | $296.43 | $268.00 - $329.83 |
| Q2 2015 | 4,206 | $1,699 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 3,936 | $1,662 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 3,936 | $1,336 | $323.51 | $290.85 - $361.93 |