Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2025 | 134,489 | $18,403 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 151,678 | $23,195 | $168.67 | $145.07 - $195.00 |
| Q1 2024 | 60,220 | $12,985 | $234.20 | $211.02 - $268.30 |
| Q1 2023 | 1,890 | $525 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 191,306 | $52,976 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 31,182 | $8,326 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 166,630 | $33,983 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 125,468 | $26,424 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 21,663 | $5,197 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 64,753 | $18,324 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 82,309 | $28,501 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 5,503 | $1,539 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 62,048 | $17,602 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 235,543 | $63,020 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 53,864 | $17,041 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 131,953 | $39,154 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 85,759 | $19,966 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 126,746 | $29,642 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 5,255 | $1,242 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 2,610 | $785 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 73,236 | $25,875 | $344.30 | $288.13 - $388.67 |
| Q3 2017 | 17,217 | $5,391 | $296.11 | $269.50 - $330.00 |
| Q1 2016 | 162,564 | $42,319 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 14,810 | $4,537 | $287.35 | $254.00 - $311.65 |
| Q1 2015 | 33,280 | $14,052 | $394.14 | $334.40 - $480.18 |
| Q4 2013 | 59,447 | $16,620 | $258.65 | $221.07 - $298.82 |