Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2023 | 811 | $210 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,228 | $316 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 819 | $233 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 821 | $228 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 1,644 | $0 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 820 | $219 | $212.38 | $193.65 - $283.44 |
| Q4 2021 | 1,813 | $435 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 2,095 | $593 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 2,113 | $732 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,809 | $506 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,914 | $469 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,135 | $322 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,137 | $304 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,168 | $370 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,156 | $343 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 1,156 | $269 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,165 | $272 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,244 | $294 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 2,764 | $832 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 2,504 | $885 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 2,232 | $648 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 2,211 | $605 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 2,380 | $758 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 2,265 | $709 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 2,270 | $616 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 2,276 | $622 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,397 | $680 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,368 | $741 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,379 | $575 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 2,399 | $625 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 836 | $256 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 1,478 | $431 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 1,421 | $574 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 1,500 | $633 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,532 | $520 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,190 | $394 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 1,444 | $455 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 1,371 | $419 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 1,371 | $383 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 991 | $239 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 1,406 | $303 | $213.68 | $191.80 - $242.64 |