Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 8,434 | $2,980 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 8,434 | $2,448 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 8,427 | $2,307 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 8,427 | $2,685 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 8,860 | $2,774 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 25,621 | $6,952 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 18,737 | $5,123 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 22,914 | $6,499 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 24,156 | $7,562 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 17,945 | $4,339 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 14,554 | $3,789 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 13,593 | $4,164 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 10,097 | $2,946 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 9,279 | $3,748 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 13,377 | $5,649 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 13,985 | $4,748 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 13,778 | $4,557 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 13,940 | $4,395 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 13,984 | $4,277 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 13,095 | $3,660 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 14,351 | $3,455 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 11,341 | $2,440 | $213.68 | $191.80 - $242.64 |