Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 2,249 | $778 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 2,947 | $824 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 3,002 | $735 | $259.08 | $223.25 - $363.92 |
| Q2 2020 | 3,214 | $860 | $300.59 | $257.60 - $350.24 |
| Q3 2019 | 2,031 | $472 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,506 | $353 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,454 | $343 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 1,454 | $472 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 1,429 | $505 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,414 | $506 | $281.15 | $249.17 - $310.91 |
| Q4 2017 | 1,353 | $431 | $320.80 | $301.81 - $348.84 |
| Q2 2017 | 1,303 | $353 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 1,410 | $386 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 1,370 | $380 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 785 | $246 | $296.18 | $240.07 - $333.65 |
| Q2 2015 | 650 | $263 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 650 | $274 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 650 | $221 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 650 | $215 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 700 | $221 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 700 | $214 | $317.43 | $270.62 - $358.89 |