Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2025 | 2,963 | $0 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 14,446 | $2 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 4,407 | $1 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 3,048 | $1 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 3,123 | $1 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,471 | $0 | $245.62 | $220.86 - $269.43 |
| Q4 2022 | 5,316 | $1 | $282.44 | $250.31 - $311.88 |
| Q2 2022 | 3,136 | $640 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 3,910 | $823 | $217.46 | $192.67 - $249.00 |
| Q4 2019 | 2,796 | $830 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 5,221 | $1,216 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 13,800 | $3,227 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 26,305 | $6,218 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 4,980 | $1,499 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 4,843 | $1,711 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 10,140 | $2,943 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 6,002 | $1,643 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 14,133 | $4,502 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 2,288 | $716 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 1,358 | $369 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 12,710 | $3,475 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 7,692 | $2,181 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 8,191 | $2,564 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 3,956 | $957 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 18,638 | $4,852 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 6,317 | $1,935 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 25,292 | $7,380 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 7,672 | $3,099 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 14,456 | $6,104 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 8,316 | $2,823 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 13,983 | $4,626 | $329.72 | $298.31 - $349.00 |
| Q1 2014 | 5,278 | $1,614 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 15,170 | $4,244 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 3,945 | $950 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 5,831 | $1,255 | $213.68 | $191.80 - $242.64 |