Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2023 | 720 | $205 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 720 | $200 | $276.70 | $254.80 - $295.90 |
| Q4 2021 | 850 | $204 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 850 | $241 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 900 | $312 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 900 | $252 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 925 | $226 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 835 | $237 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 777 | $208 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 777 | $246 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 752 | $223 | $277.46 | $219.70 - $318.00 |
| Q3 2018 | 627 | $222 | $344.30 | $288.13 - $388.67 |
| Q4 2017 | 637 | $203 | $320.80 | $301.81 - $348.84 |
| Q3 2016 | 867 | $271 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 867 | $210 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 867 | $226 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 867 | $266 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 967 | $282 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 897 | $362 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 859 | $363 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 649 | $220 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 649 | $215 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 649 | $205 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 709 | $217 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 724 | $202 | $258.65 | $221.07 - $298.82 |