BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Fisher Asset Management, LLC's Holding History (CIK: 0000850529)

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

Q4 2025

Shares 293,269 Value ($000) $51,613 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 277,285 Value ($000) $38,842 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 289,137 Value ($000) $36,313 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 299,030 Value ($000) $40,919 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 180,924 Value ($000) $27,667 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 66,768 Value ($000) $12,942 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 68,487 Value ($000) $15,877 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 61,544 Value ($000) $13,271 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 63,778 Value ($000) $16,504 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 113,799 Value ($000) $29,248 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 130,317 Value ($000) $37,121 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 132,817 Value ($000) $36,927 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 132,495 Value ($000) $37 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 130,461 Value ($000) $34,833 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 132,848 Value ($000) $27,093 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 132,344 Value ($000) $27,872 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 132,034 Value ($000) $31,678 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 108,489 Value ($000) $30,701 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 105,075 Value ($000) $36,384 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 98,578 Value ($000) $27,577 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 98,584 Value ($000) $24,139 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 93,936 Value ($000) $26,648 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 92,905 Value ($000) $24,857 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 93,625 Value ($000) $29,621 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 90,777 Value ($000) $26,936 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 123,982 Value ($000) $28,865 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 119,970 Value ($000) $28,057 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 135,871 Value ($000) $32,117 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 137,952 Value ($000) $41,513 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 130,181 Value ($000) $45,994 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 128,113 Value ($000) $37,184 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 123,409 Value ($000) $33,792 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 99,280 Value ($000) $31,628 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 107,864 Value ($000) $33,774 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 109,129 Value ($000) $29,613 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 109,414 Value ($000) $29,916 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 101,887 Value ($000) $28,893 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 100,718 Value ($000) $31,528 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 101,919 Value ($000) $25,739 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 90,405 Value ($000) $24,274 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 110,475 Value ($000) $33,844 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 112,448 Value ($000) $32,813 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 80,932 Value ($000) $32,692 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 81,058 Value ($000) $34,226 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 79,254 Value ($000) $26,903 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 78,457 Value ($000) $25,954 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 88,885 Value ($000) $28,026 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 18,266 Value ($000) $5,587 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 2,038 Value ($000) $570 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 1,774 Value ($000) $427 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 1,767 Value ($000) $380 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	293,269	$51,613	$163.37	$138.00 - $185.17
Q3 2025	277,285	$38,842	$135.17	$121.05 - $150.28
Q2 2025	289,137	$36,313	$124.60	$110.04 - $137.32
Q1 2025	299,030	$40,919	$142.96	$128.51 - $157.09
Q4 2024	180,924	$27,667	$168.67	$145.07 - $195.00
Q3 2024	66,768	$12,942	$209.21	$188.78 - $238.00
Q2 2024	68,487	$15,877	$217.32	$189.44 - $237.54
Q1 2024	61,544	$13,271	$234.20	$211.02 - $268.30
Q4 2023	63,778	$16,504	$245.62	$220.86 - $269.43
Q3 2023	113,799	$29,248	$267.47	$251.85 - $287.60
Q2 2023	130,317	$37,121	$297.86	$273.39 - $319.76
Q1 2023	132,817	$36,927	$276.70	$254.80 - $295.90
Q4 2022	132,495	$37	$282.44	$250.31 - $311.88
Q3 2022	130,461	$34,833	$212.38	$193.65 - $283.44
Q2 2022	132,848	$27,093	$204.43	$187.16 - $225.50
Q1 2022	132,344	$27,872	$217.46	$192.67 - $249.00
Q4 2021	132,034	$31,678	$257.12	$221.72 - $290.76
Q3 2021	108,489	$30,701	$327.75	$282.64 - $372.12
Q2 2021	105,075	$36,384	$302.94	$257.03 - $468.55
Q1 2021	98,578	$27,577	$269.69	$238.40 - $296.38
Q4 2020	98,584	$24,139	$259.08	$223.25 - $363.92
Q3 2020	93,936	$26,648	$278.91	$261.87 - $312.00
Q2 2020	92,905	$24,857	$300.59	$257.60 - $350.24
Q1 2020	93,625	$29,621	$303.47	$262.25 - $374.99
Q4 2019	90,777	$26,936	$277.46	$219.70 - $318.00
Q3 2019	123,982	$28,865	$232.85	$215.78 - $246.99
Q2 2019	119,970	$28,057	$230.90	$219.20 - $245.35
Q1 2019	135,871	$32,117	$314.89	$216.12 - $344.00
Q4 2018	137,952	$41,513	$319.14	$278.46 - $358.41
Q3 2018	130,181	$45,994	$344.30	$288.13 - $388.67
Q2 2018	128,113	$37,184	$281.15	$249.17 - $310.91
Q1 2018	123,409	$33,792	$310.41	$259.76 - $370.57
Q4 2017	99,280	$31,628	$320.80	$301.81 - $348.84
Q3 2017	107,864	$33,774	$296.11	$269.50 - $330.00
Q2 2017	109,129	$29,613	$264.42	$244.28 - $291.90
Q1 2017	109,414	$29,916	$282.75	$260.50 - $301.42
Q4 2016	101,887	$28,893	$296.43	$268.00 - $329.83
Q3 2016	100,718	$31,528	$296.18	$240.07 - $333.65
Q2 2016	101,919	$25,739	$263.54	$223.02 - $292.69
Q1 2016	90,405	$24,274	$264.15	$242.07 - $301.02
Q4 2015	110,475	$33,844	$287.35	$254.00 - $311.65
Q3 2015	112,448	$32,813	$330.23	$265.00 - $412.24
Q2 2015	80,932	$32,692	$401.33	$368.88 - $432.88
Q1 2015	81,058	$34,226	$394.14	$334.40 - $480.18
Q4 2014	79,254	$26,903	$323.51	$290.85 - $361.93
Q3 2014	78,457	$25,954	$329.72	$298.31 - $349.00
Q2 2014	88,885	$28,026	$300.97	$272.02 - $322.25
Q1 2014	18,266	$5,587	$317.43	$270.62 - $358.89
Q4 2013	2,038	$570	$258.65	$221.07 - $298.82
Q3 2013	1,774	$427	$223.81	$203.55 - $248.95
Q2 2013	1,767	$380	$213.68	$191.80 - $242.64