Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2024 | 1,961 | $380 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,976 | $458 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 2,141 | $462 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 2,141 | $554 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 2,401 | $617 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,481 | $422 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,696 | $472 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 2,231 | $618 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 2,846 | $760 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 2,999 | $612 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 3,168 | $667 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 4,823 | $1,157 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 5,441 | $1,540 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 5,532 | $1,916 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 5,633 | $1,576 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 6,222 | $1,524 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 11,445 | $3,246 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 10,345 | $2,768 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 6,070 | $1,920 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 6,503 | $1,930 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 6,065 | $1,412 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 10,479 | $2,451 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 41,538 | $9,819 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 40,904 | $12,309 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 39,508 | $13,958 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 43,193 | $12,536 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 41,617 | $11,396 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 41,232 | $13,135 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 30,921 | $9,586 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 10,805 | $2,938 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 11,065 | $3,025 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 10,401 | $2,950 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 9,748 | $3,027 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 10,120 | $2,447 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 9,905 | $2,578 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 7,731 | $2,349 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 5,103 | $1,489 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 4,291 | $1,733 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 4,085 | $1,725 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,508 | $512 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,458 | $482 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 1,473 | $464 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 1,548 | $473 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 1,814 | $507 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 2,056 | $495 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 2,608 | $561 | $213.68 | $191.80 - $242.64 |