Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 911 | $255 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,009 | $247 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,009 | $286 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,009 | $270 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,037 | $328 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,168 | $347 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 1,069 | $249 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,145 | $268 | $230.90 | $219.20 - $245.35 |
| Q4 2018 | 825 | $248 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 859 | $303 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,755 | $510 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,784 | $488 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,791 | $570 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 1,537 | $481 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,508 | $409 | $264.42 | $244.28 - $291.90 |
| Q4 2016 | 1,298 | $368 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 1,152 | $361 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 988 | $239 | $263.54 | $223.02 - $292.69 |
| Q2 2015 | 648 | $274 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 648 | $274 | $394.14 | $334.40 - $480.18 |