BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

MAI Capital Management's Holding History (CIK: 0001040197)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 3,447 Value ($000) $607 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 690 Value ($000) $97 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 776 Value ($000) $97 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 582 Value ($000) $80 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 626 Value ($000) $96 Avg Close $168.67 Range $145.07 - $195.00
Q2 2024
Shares 1,102 Value ($000) $255 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 1,072 Value ($000) $231 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 946 Value ($000) $245 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 1,134 Value ($000) $292 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 1,960 Value ($000) $558 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 25,654 Value ($000) $7,132 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 28,120 Value ($000) $7,787 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 18,015 Value ($000) $4,810 Avg Close $212.38 Range $193.65 - $283.44
Q1 2022
Shares 1,152 Value ($000) $243 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 1,122 Value ($000) $269 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,208 Value ($000) $342 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,236 Value ($000) $428 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 3,126 Value ($000) $874 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 2,782 Value ($000) $681 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 759 Value ($000) $215 Avg Close $278.91 Range $261.87 - $312.00
Q1 2020
Shares 914 Value ($000) $289 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 914 Value ($000) $271 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 1,317 Value ($000) $307 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 1,464 Value ($000) $342 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 2,397 Value ($000) $567 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 4,956 Value ($000) $1,491 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 4,364 Value ($000) $1,542 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 4,253 Value ($000) $1,234 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 3,780 Value ($000) $1,035 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 4,622 Value ($000) $1,472 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 4,513 Value ($000) $1,413 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 4,368 Value ($000) $1,185 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 4,156 Value ($000) $1,136 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 4,166 Value ($000) $1,181 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 3,995 Value ($000) $1,251 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 4,849 Value ($000) $1,173 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 6,793 Value ($000) $1,768 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 7,648 Value ($000) $2,343 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 8,052 Value ($000) $2,350 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 8,556 Value ($000) $3,456 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 8,422 Value ($000) $3,556 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 7,992 Value ($000) $2,713 Avg Close $323.51 Range $290.85 - $361.93