Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2023 | 420,355 | $108,035 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 395,272 | $112,593 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 399,090 | $110,959 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 266,963 | $73,927 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 136,405 | $36,421 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 142,586 | $29,079 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 179,012 | $37,701 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 179,495 | $43,065 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 122,335 | $34,620 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 376,231 | $130,277 | $302.94 | $257.03 - $468.55 |
| Q3 2020 | 107,626 | $30,531 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 119,287 | $31,915 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 102,847 | $32,539 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 117,078 | $34,741 | $277.46 | $219.70 - $318.00 |
| Q4 2018 | 128,645 | $38,712 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 184,251 | $65,097 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 80,592 | $23,391 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 79,772 | $21,843 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 334,114 | $106,438 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 460,643 | $144,236 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 710,500 | $192,801 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 432,100 | $118,144 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 156,600 | $44,409 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 381,502 | $119,422 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 530,927 | $128,388 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 297,507 | $77,447 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 242,000 | $74,137 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 183,600 | $53,576 | $330.23 | $265.00 - $412.24 |
| Q3 2013 | 89,596 | $21,571 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 86,500 | $18,615 | $213.68 | $191.80 - $242.64 |