Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 570 | $200 | $302.94 | $257.03 - $468.55 |
| Q3 2018 | 638 | $223 | $344.30 | $288.13 - $388.67 |
| Q1 2018 | 752 | $206 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 765 | $245 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 765 | $240 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 770 | $209 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 781 | $212 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 781 | $223 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 782 | $246 | $296.18 | $240.07 - $333.65 |
| Q1 2016 | 783 | $204 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 783 | $238 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 783 | $228 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 783 | $316 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 785 | $331 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,623 | $552 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,056 | $350 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 816 | $257 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 824 | $252 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 1,516 | $423 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 1,516 | $365 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 1,516 | $326 | $213.68 | $191.80 - $242.64 |