Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 2,040 | $614 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 2,064 | $729 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,831 | $531 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,979 | $542 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 2,142 | $682 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 2,161 | $686 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 2,223 | $629 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 2,237 | $612 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,189 | $621 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,184 | $668 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,211 | $505 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 3,154 | $802 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 2,846 | $878 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 2,578 | $752 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 2,263 | $914 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 2,317 | $978 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 2,895 | $983 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 2,818 | $932 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 2,778 | $876 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 2,496 | $763 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 2,180 | $609 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 1,958 | $471 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 3,610 | $777 | $213.68 | $191.80 - $242.64 |