Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 29,963 | $6,461 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 29,928 | $7,744 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 29,935 | $7,694 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 30,076 | $8,567 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 30,022 | $8,347 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 20,635 | $6 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 20,533 | $5,482 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 19,343 | $3,945 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 19,053 | $4,013 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 20,231 | $4,854 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 23,024 | $6,516 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 25,012 | $8,661 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 25,438 | $7,116 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 27,131 | $6,643 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 29,071 | $8,247 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 28,756 | $7,694 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 32,756 | $10,363 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 31,929 | $9,474 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 34,358 | $7,999 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 37,392 | $8,745 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 38,269 | $9,046 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 40,525 | $12,195 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 45,221 | $15,977 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 51,491 | $14,945 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 54,663 | $14,968 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 57,721 | $18,388 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 58,594 | $18,347 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 60,021 | $16,287 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 63,084 | $17,248 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 65,178 | $18,483 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 67,482 | $21,124 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 71,070 | $17,186 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 75,471 | $19,647 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 78,608 | $24,082 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 83,859 | $24,471 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 85,641 | $34,594 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 87,834 | $37,087 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 89,799 | $30,482 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 91,716 | $30,341 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 98,887 | $31,180 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 103,739 | $31,731 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 109,374 | $30,597 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 118,248 | $28,469 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 121,802 | $26,212 | $213.68 | $191.80 - $242.64 |
| Q1 2013 | 124,946 | $24,103 | $161.63 | $139.72 - $192.92 |