Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 37,015 | $10,475 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 37,000 | $12,812 | $302.94 | $257.03 - $468.55 |
| Q4 2019 | 25,000 | $7,418 | $277.46 | $219.70 - $318.00 |
| Q2 2018 | 30,000 | $8,707 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 33,000 | $9,036 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 39,000 | $12,424 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 31,500 | $9,863 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 32,000 | $8,684 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 36,000 | $9,843 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 38,000 | $10,776 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 30,000 | $9,391 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 34,500 | $8,343 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 35,000 | $9,111 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 41,000 | $12,560 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 42,000 | $12,256 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 37,000 | $14,946 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 32,000 | $13,512 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 32,000 | $10,862 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 17,000 | $5,624 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 12,000 | $3,784 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 10,000 | $3,059 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 10,000 | $2,797 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 10,000 | $2,408 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 11,500 | $2,475 | $213.68 | $191.80 - $242.64 |