Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 3,708 | $1,116 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 2,708 | $957 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 733 | $213 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 863 | $236 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 61,013 | $19,437 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 913 | $286 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 982 | $266 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 982 | $268 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 1,360 | $386 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 1,377 | $431 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,402 | $339 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 1,377 | $358 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 1,377 | $386 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 1,374 | $401 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 1,339 | $541 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 1,225 | $517 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,945 | $660 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 2,021 | $669 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 2,991 | $943 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 2,841 | $869 | $317.43 | $270.62 - $358.89 |
| Q3 2013 | 953 | $229 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 953 | $205 | $213.68 | $191.80 - $242.64 |