Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 790 | $238 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 815 | $288 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 815 | $237 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,145 | $314 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,425 | $454 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 1,707 | $534 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 2,132 | $579 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 3,072 | $840 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,672 | $758 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,672 | $836 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,612 | $632 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 2,752 | $716 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 2,627 | $805 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 2,677 | $781 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 2,585 | $1,044 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 1,555 | $657 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,585 | $538 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,485 | $491 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 1,420 | $448 | $300.97 | $272.02 - $322.25 |