Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2025 | 54,991 | $7,525 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 47,809 | $7,311 | $168.67 | $145.07 - $195.00 |
| Q1 2022 | 4,904 | $1,033 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 2,177 | $522 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 25,664 | $7,263 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 25,593 | $8,862 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,772 | $496 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 3,180 | $902 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 13,825 | $3,699 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 282,841 | $89,485 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 292,967 | $86,933 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 342,795 | $79,809 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 3,089 | $722 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 355,801 | $84,105 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 151,759 | $45,667 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 80,676 | $28,504 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 2,800 | $813 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 2,451 | $671 | $310.41 | $259.76 - $370.57 |
| Q2 2017 | 175,000 | $47,488 | $264.42 | $244.28 - $291.90 |