BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

NORDEA INVESTMENT MANAGEMENT AB's Holding History (CIK: 0001218210)

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

Q4 2025

Shares 14,022 Value ($000) $2,458 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 132,583 Value ($000) $18,201 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 125,935 Value ($000) $15,810 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 119,124 Value ($000) $16,290 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 117,963 Value ($000) $17,901 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 79,680 Value ($000) $15,418 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 109,474 Value ($000) $25,708 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 105,376 Value ($000) $22,700 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 136,730 Value ($000) $35,391 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 217,988 Value ($000) $56,363 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 139,653 Value ($000) $39,710 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 429,970 Value ($000) $119,084 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 423,965 Value ($000) $116,493 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 415,040 Value ($000) $107,350 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 421,448 Value ($000) $84,968 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 447,945 Value ($000) $94,776 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 451,111 Value ($000) $109,205 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 456,986 Value ($000) $131,000 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 444,999 Value ($000) $154,090 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 513,521 Value ($000) $142,102 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 517,262 Value ($000) $126,657 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 520,370 Value ($000) $147,382 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 1,087,186 Value ($000) $283,778 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 520,839 Value ($000) $162,357 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 522,041 Value ($000) $154,634 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 513,381 Value ($000) $119,042 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 504,301 Value ($000) $117,992 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 523,236 Value ($000) $123,682 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 425,614 Value ($000) $128,077 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 423,038 Value ($000) $149,465 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 425,548 Value ($000) $123,511 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 426,073 Value ($000) $116,667 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 359,426 Value ($000) $114,502 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 353,716 Value ($000) $110,756 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 341,783 Value ($000) $92,746 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 338,258 Value ($000) $92,487 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 412,855 Value ($000) $117,077 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 410,214 Value ($000) $128,409 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 393,058 Value ($000) $95,049 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 427,627 Value ($000) $111,320 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 160,020 Value ($000) $49,022 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 26,871 Value ($000) $7,841 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 26,533 Value ($000) $10,718 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 8,436 Value ($000) $3,562 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 18,768 Value ($000) $6,371 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 19,673 Value ($000) $6,508 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 23,785 Value ($000) $7,500 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 22,891 Value ($000) $7,002 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 20,085 Value ($000) $5,615 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 17,942 Value ($000) $4,320 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 17,942 Value ($000) $3,861 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,022	$2,458	$163.37	$138.00 - $185.17
Q3 2025	132,583	$18,201	$135.17	$121.05 - $150.28
Q2 2025	125,935	$15,810	$124.60	$110.04 - $137.32
Q1 2025	119,124	$16,290	$142.96	$128.51 - $157.09
Q4 2024	117,963	$17,901	$168.67	$145.07 - $195.00
Q3 2024	79,680	$15,418	$209.21	$188.78 - $238.00
Q2 2024	109,474	$25,708	$217.32	$189.44 - $237.54
Q1 2024	105,376	$22,700	$234.20	$211.02 - $268.30
Q4 2023	136,730	$35,391	$245.62	$220.86 - $269.43
Q3 2023	217,988	$56,363	$267.47	$251.85 - $287.60
Q2 2023	139,653	$39,710	$297.86	$273.39 - $319.76
Q1 2023	429,970	$119,084	$276.70	$254.80 - $295.90
Q4 2022	423,965	$116,493	$282.44	$250.31 - $311.88
Q3 2022	415,040	$107,350	$212.38	$193.65 - $283.44
Q2 2022	421,448	$84,968	$204.43	$187.16 - $225.50
Q1 2022	447,945	$94,776	$217.46	$192.67 - $249.00
Q4 2021	451,111	$109,205	$257.12	$221.72 - $290.76
Q3 2021	456,986	$131,000	$327.75	$282.64 - $372.12
Q2 2021	444,999	$154,090	$302.94	$257.03 - $468.55
Q1 2021	513,521	$142,102	$269.69	$238.40 - $296.38
Q4 2020	517,262	$126,657	$259.08	$223.25 - $363.92
Q3 2020	520,370	$147,382	$278.91	$261.87 - $312.00
Q2 2020	1,087,186	$283,778	$300.59	$257.60 - $350.24
Q1 2020	520,839	$162,357	$303.47	$262.25 - $374.99
Q4 2019	522,041	$154,634	$277.46	$219.70 - $318.00
Q3 2019	513,381	$119,042	$232.85	$215.78 - $246.99
Q2 2019	504,301	$117,992	$230.90	$219.20 - $245.35
Q1 2019	523,236	$123,682	$314.89	$216.12 - $344.00
Q4 2018	425,614	$128,077	$319.14	$278.46 - $358.41
Q3 2018	423,038	$149,465	$344.30	$288.13 - $388.67
Q2 2018	425,548	$123,511	$281.15	$249.17 - $310.91
Q1 2018	426,073	$116,667	$310.41	$259.76 - $370.57
Q4 2017	359,426	$114,502	$320.80	$301.81 - $348.84
Q3 2017	353,716	$110,756	$296.11	$269.50 - $330.00
Q2 2017	341,783	$92,746	$264.42	$244.28 - $291.90
Q1 2017	338,258	$92,487	$282.75	$260.50 - $301.42
Q4 2016	412,855	$117,077	$296.43	$268.00 - $329.83
Q3 2016	410,214	$128,409	$296.18	$240.07 - $333.65
Q2 2016	393,058	$95,049	$263.54	$223.02 - $292.69
Q1 2016	427,627	$111,320	$264.15	$242.07 - $301.02
Q4 2015	160,020	$49,022	$287.35	$254.00 - $311.65
Q3 2015	26,871	$7,841	$330.23	$265.00 - $412.24
Q2 2015	26,533	$10,718	$401.33	$368.88 - $432.88
Q1 2015	8,436	$3,562	$394.14	$334.40 - $480.18
Q4 2014	18,768	$6,371	$323.51	$290.85 - $361.93
Q3 2014	19,673	$6,508	$329.72	$298.31 - $349.00
Q2 2014	23,785	$7,500	$300.97	$272.02 - $322.25
Q1 2014	22,891	$7,002	$317.43	$270.62 - $358.89
Q4 2013	20,085	$5,615	$258.65	$221.07 - $298.82
Q3 2013	17,942	$4,320	$223.81	$203.55 - $248.95
Q2 2013	17,942	$3,861	$213.68	$191.80 - $242.64