Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 1,138,777 | $362,780 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 1,207,172 | $377,990 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,278,163 | $346,842 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 2,475,937 | $676,971 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,578,909 | $731,327 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,789,266 | $873,124 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,970,230 | $718,261 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 3,141,109 | $817,694 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 3,367,531 | $1,031,643 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 4,121,400 | $1,202,666 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 4,732,945 | $1,911,826 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 5,009,615 | $2,115,260 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 4,974,331 | $1,688,537 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 4,952,096 | $1,638,203 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 4,891,463 | $1,542,327 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 4,873,017 | $1,490,510 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 4,754,160 | $1,329,121 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 4,635,241 | $1,115,981 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 4,565,921 | $982,586 | $213.68 | $191.80 - $242.64 |