Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 49,426 | $10,658 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 51,969 | $13,448 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 52,582 | $13,514 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 53,074 | $15,118 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 54,494 | $15,151 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 54,322 | $15,043 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 48,437 | $12,933 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 49,760 | $10,148 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 56,111 | $11,817 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 57,884 | $13,888 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 59,265 | $16,771 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 65,040 | $22,521 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 67,487 | $18,879 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 68,550 | $16,785 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 70,767 | $20,075 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 74,601 | $19,959 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 80,912 | $25,599 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 81,119 | $24,070 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 82,108 | $19,116 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 86,132 | $20,144 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 90,455 | $21,382 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 94,951 | $28,573 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 96,387 | $34,054 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 95,686 | $27,772 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 96,070 | $26,306 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 91,288 | $29,082 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 89,637 | $28,067 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 93,788 | $25,450 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 93,728 | $25,627 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 94,207 | $26,715 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 96,172 | $30,104,721 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 97,000 | $23,456,540 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 102,437 | $26,666,000 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 105,244 | $32,240,000 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 108,157 | $31,562 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 107,346 | $43,361,473 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 106,797 | $45,094,101 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 105,027 | $35,651,524 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 106,916 | $35,368,882 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 105,493 | $33,262,997 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 106,475 | $32,567,509 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 105,523 | $29,519,569 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 103,380 | $24,889,769 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 163,110 | $35,101,272 | $213.68 | $191.80 - $242.64 |