BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q4 2025

Shares 1,655,441 Value ($000) $291,341 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 2,418,127 Value ($000) $338,731 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 2,320,126 Value ($000) $291,385 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 2,265,007 Value ($000) $309,944 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 2,128,807 Value ($000) $325,537 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 1,629,733 Value ($000) $315,907 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 1,289,443 Value ($000) $298,919 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 1,668,017 Value ($000) $359,675 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 1,814,666 Value ($000) $469,581 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 1,181,374 Value ($000) $303,625 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 992,006 Value ($000) $282,573 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 1,023,927 Value ($000) $284,682 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 920,479 Value ($000) $254,899 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 970,776 Value ($000) $259,198 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 956,340 Value ($000) $195,036 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 954,409 Value ($000) $200,996 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 1,131,063 Value ($000) $271,365 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 990,579 Value ($000) $280,324 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 1,043,458 Value ($000) $361,318 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 1,034,041 Value ($000) $289,272 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 839,970 Value ($000) $205,675 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 901,025 Value ($000) $255,602 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 909,382 Value ($000) $243,304 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 944,340 Value ($000) $298,770 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 1,093,629 Value ($000) $324,513 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 2,868,384 Value ($000) $667,819 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 2,992,810 Value ($000) $699,930 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 3,232,333 Value ($000) $764,060 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 3,126,480 Value ($000) $940,820 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 3,609,267 Value ($000) $1,275,189 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 3,860,357 Value ($000) $1,120,433 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 3,556,969 Value ($000) $973,971 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 3,456,099 Value ($000) $1,101,010 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 3,379,854 Value ($000) $1,058,300 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 3,440,738 Value ($000) $933,681 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 4,136,946 Value ($000) $1,131,125 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 4,247,882 Value ($000) $1,204,615 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 4,218,006 Value ($000) $1,320,364 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 4,096,693 Value ($000) $990,661 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 3,615,548 Value ($000) $941,200 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 3,273,258 Value ($000) $1,002,763 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 3,434,031 Value ($000) $1,002,085 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 3,280,391 Value ($000) $1,325,081 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 3,559,467 Value ($000) $1,502,950 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 3,342,751 Value ($000) $1,134,697 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 3,578,431 Value ($000) $1,183,779 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 3,827,167 Value ($000) $1,206,744 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 4,051,684 Value ($000) $1,239,288 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 3,676,529 Value ($000) $1,027,855 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 3,750,997 Value ($000) $903,091 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 3,269,860 Value ($000) $703,673 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,655,441	$291,341	$163.37	$138.00 - $185.17
Q3 2025	2,418,127	$338,731	$135.17	$121.05 - $150.28
Q2 2025	2,320,126	$291,385	$124.60	$110.04 - $137.32
Q1 2025	2,265,007	$309,944	$142.96	$128.51 - $157.09
Q4 2024	2,128,807	$325,537	$168.67	$145.07 - $195.00
Q3 2024	1,629,733	$315,907	$209.21	$188.78 - $238.00
Q2 2024	1,289,443	$298,919	$217.32	$189.44 - $237.54
Q1 2024	1,668,017	$359,675	$234.20	$211.02 - $268.30
Q4 2023	1,814,666	$469,581	$245.62	$220.86 - $269.43
Q3 2023	1,181,374	$303,625	$267.47	$251.85 - $287.60
Q2 2023	992,006	$282,573	$297.86	$273.39 - $319.76
Q1 2023	1,023,927	$284,682	$276.70	$254.80 - $295.90
Q4 2022	920,479	$254,899	$282.44	$250.31 - $311.88
Q3 2022	970,776	$259,198	$212.38	$193.65 - $283.44
Q2 2022	956,340	$195,036	$204.43	$187.16 - $225.50
Q1 2022	954,409	$200,996	$217.46	$192.67 - $249.00
Q4 2021	1,131,063	$271,365	$257.12	$221.72 - $290.76
Q3 2021	990,579	$280,324	$327.75	$282.64 - $372.12
Q2 2021	1,043,458	$361,318	$302.94	$257.03 - $468.55
Q1 2021	1,034,041	$289,272	$269.69	$238.40 - $296.38
Q4 2020	839,970	$205,675	$259.08	$223.25 - $363.92
Q3 2020	901,025	$255,602	$278.91	$261.87 - $312.00
Q2 2020	909,382	$243,304	$300.59	$257.60 - $350.24
Q1 2020	944,340	$298,770	$303.47	$262.25 - $374.99
Q4 2019	1,093,629	$324,513	$277.46	$219.70 - $318.00
Q3 2019	2,868,384	$667,819	$232.85	$215.78 - $246.99
Q2 2019	2,992,810	$699,930	$230.90	$219.20 - $245.35
Q1 2019	3,232,333	$764,060	$314.89	$216.12 - $344.00
Q4 2018	3,126,480	$940,820	$319.14	$278.46 - $358.41
Q3 2018	3,609,267	$1,275,189	$344.30	$288.13 - $388.67
Q2 2018	3,860,357	$1,120,433	$281.15	$249.17 - $310.91
Q1 2018	3,556,969	$973,971	$310.41	$259.76 - $370.57
Q4 2017	3,456,099	$1,101,010	$320.80	$301.81 - $348.84
Q3 2017	3,379,854	$1,058,300	$296.11	$269.50 - $330.00
Q2 2017	3,440,738	$933,681	$264.42	$244.28 - $291.90
Q1 2017	4,136,946	$1,131,125	$282.75	$260.50 - $301.42
Q4 2016	4,247,882	$1,204,615	$296.43	$268.00 - $329.83
Q3 2016	4,218,006	$1,320,364	$296.18	$240.07 - $333.65
Q2 2016	4,096,693	$990,661	$263.54	$223.02 - $292.69
Q1 2016	3,615,548	$941,200	$264.15	$242.07 - $301.02
Q4 2015	3,273,258	$1,002,763	$287.35	$254.00 - $311.65
Q3 2015	3,434,031	$1,002,085	$330.23	$265.00 - $412.24
Q2 2015	3,280,391	$1,325,081	$401.33	$368.88 - $432.88
Q1 2015	3,559,467	$1,502,950	$394.14	$334.40 - $480.18
Q4 2014	3,342,751	$1,134,697	$323.51	$290.85 - $361.93
Q3 2014	3,578,431	$1,183,779	$329.72	$298.31 - $349.00
Q2 2014	3,827,167	$1,206,744	$300.97	$272.02 - $322.25
Q1 2014	4,051,684	$1,239,288	$317.43	$270.62 - $358.89
Q4 2013	3,676,529	$1,027,855	$258.65	$221.07 - $298.82
Q3 2013	3,750,997	$903,091	$223.81	$203.55 - $248.95
Q2 2013	3,269,860	$703,673	$213.68	$191.80 - $242.64