Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 2,174 | $615 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 2,174 | $753 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,951 | $546 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,901 | $465 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 2,006 | $569 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 2,006 | $537 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 3,999 | $1,265 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 5,689 | $1,689 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 6,359 | $1,481 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 6,313 | $1,476 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 8,077 | $1,909 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 12,388 | $3,728 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 12,260 | $4,331 | $344.30 | $288.13 - $388.67 |
| Q4 2014 | 1,701 | $577 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,764 | $583 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 1,824 | $575 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 1,827 | $559 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 1,838 | $514 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 1,830 | $441 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 2,006 | $432 | $213.68 | $191.80 - $242.64 |