Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 1,227 | $434 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 4,150 | $1,204 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,120 | $307 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,126 | $359 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 936 | $293 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 930 | $252 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 937 | $256 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 1,005 | $285 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 1,205 | $377 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,205 | $291 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 1,835 | $478 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 1,544 | $473 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 1,534 | $448 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 803 | $324 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 790 | $334 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 649 | $220 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 644 | $213 | $329.72 | $298.31 - $349.00 |