BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

E. Ohman J:or Asset Management AB's Holding History (CIK: 0002009396)

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

Q4 2025
Shares 5,719 Value ($000) $1,006 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 6,399 Value ($000) $896 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 6,399 Value ($000) $804 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 6,399 Value ($000) $876 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 6,399 Value ($000) $979 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 5,599 Value ($000) $1,085 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 6,099 Value ($000) $1,414 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 24,099 Value ($000) $5,196 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 5,599 Value ($000) $1,449 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 6,499 Value ($000) $1,670 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 6,899 Value ($000) $1,965 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 6,299 Value ($000) $1,751 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 6,299 Value ($000) $1,744 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 6,299 Value ($000) $1,682 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 6,999 Value ($000) $1,427 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 6,999 Value ($000) $1,474 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 6,999 Value ($000) $1,679 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 6,999 Value ($000) $1,981 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 6,199 Value ($000) $2,147 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 6,199 Value ($000) $1,734 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 6,399 Value ($000) $1,567 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 6,899 Value ($000) $1,957 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 7,099 Value ($000) $1,899 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 6,599 Value ($000) $2,088 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 9,399 Value ($000) $2,789 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 8,900 Value ($000) $2,072 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 8,400 Value ($000) $1,965 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 50,898 Value ($000) $12,031 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 61,336 Value ($000) $18,457 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 51,418 Value ($000) $18,166 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 60,553 Value ($000) $17,575 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 48,961 Value ($000) $13,407 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 49,149 Value ($000) $15,657 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 45,786 Value ($000) $14,337 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 45,690 Value ($000) $12,398 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 22,423 Value ($000) $6,131 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 19,453 Value ($000) $5,516 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 17,965 Value ($000) $5,624 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 4,300 Value ($000) $1,040 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 4,300 Value ($000) $1,119 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 4,300 Value ($000) $1,317 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 4,300 Value ($000) $1,255 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 4,900 Value ($000) $1,979 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 5,300 Value ($000) $2,238 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 5,300 Value ($000) $1,814 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 5,300 Value ($000) $1,753 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 5,300 Value ($000) $1,671 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 5,300 Value ($000) $1,621 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 6,000 Value ($000) $1,677 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 6,200 Value ($000) $1,493 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 5,800 Value ($000) $1,248 Avg Close $213.68 Range $191.80 - $242.64
Q1 2013
Shares 5,800 Value ($000) $1,117 Avg Close $161.63 Range $139.72 - $192.92
Q4 2012
Shares 5,800 Value ($000) $849 Avg Close — Range —
Q3 2012
Shares 5,400 Value ($000) $806 Avg Close — Range —
Q2 2012
Shares 5,900 Value ($000) $852 Avg Close — Range —
Q1 2012
Shares 5,900 Value ($000) $743 Avg Close — Range —
Q4 2011
Shares 4,700 Value ($000) $517 Avg Close — Range —
Q3 2011
Shares 5,200 Value ($000) $484 Avg Close — Range —
Q2 2011
Shares 5,200 Value ($000) $556 Avg Close — Range —
Q1 2011
Shares 5,200 Value ($000) $381 Avg Close — Range —
Q4 2010
Shares 4,200 Value ($000) $282 Avg Close — Range —
Q3 2010
Shares 4,200 Value ($000) $236 Avg Close — Range —
Q2 2010
Shares 4,200 Value ($000) $199 Avg Close — Range —
Q1 2010
Shares 4,200 Value ($000) $241 Avg Close — Range —
Q4 2009
Shares 3,200 Value ($000) $171 Avg Close — Range —
Q3 2009
Shares 4,700 Value ($000) $237 Avg Close — Range —
Q2 2009
Shares 4,700 Value ($000) $212 Avg Close — Range —
Q4 2008
Shares 3,400 Value ($000) $162 Avg Close — Range —
Q3 2008
Shares 3,400 Value ($000) $171 Avg Close — Range —
Q2 2008
Shares 4,900 Value ($000) $274 Avg Close — Range —
Q1 2008
Shares 3,200 Value ($000) $197 Avg Close — Range —
Q4 2007
Shares 3,200 Value ($000) $182 Avg Close — Range —
Q3 2007
Shares 3,200 Value ($000) $212 Avg Close — Range —
Q2 2007
Shares 3,200 Value ($000) $171 Avg Close — Range —
Q1 2007
Shares 3,200 Value ($000) $142 Avg Close — Range —
Q4 2006
Shares 3,200 Value ($000) $157 Avg Close — Range —