BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

B. Riley Wealth Advisors, Inc.'s Holding History (CIK: 0001464811)

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

Q4 2025

Shares 1,996 Value ($000) $351 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 2,026 Value ($000) $284 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 1,991 Value ($000) $250 Avg Close $124.60 Range $110.04 - $137.32

Q4 2024

Shares 2,343 Value ($000) $358 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 2,251 Value ($000) $425 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 2,581 Value ($000) $598 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 3,475 Value ($000) $893 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 3,378 Value ($000) $874 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 3,475 Value ($000) $893 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 3,822 Value ($000) $1,089 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 4,114 Value ($000) $1,144 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 4,851 Value ($000) $1,343 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 4,247 Value ($000) $1,135 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 4,244 Value ($000) $866 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 4,809 Value ($000) $1,013 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 5,274 Value ($000) $1,266 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 5,764 Value ($000) $1,663 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 6,031 Value ($000) $2,051 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 7,033 Value ($000) $1,948 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 5,672 Value ($000) $1,390 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 6,371 Value ($000) $1,792 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 5,857 Value ($000) $1,567 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 6,742 Value ($000) $2,134 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 4,204 Value ($000) $1,248 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 2,850 Value ($000) $664 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 2,167 Value ($000) $507 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 3,147 Value ($000) $745 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 2,012 Value ($000) $607 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 1,899 Value ($000) $672 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 861 Value ($000) $250 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 1,084 Value ($000) $298 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 1,229 Value ($000) $393 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 1,398 Value ($000) $438 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 1,779 Value ($000) $483 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 1,788 Value ($000) $490 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 1,563 Value ($000) $444 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 2,497 Value ($000) $782 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 2,187 Value ($000) $530 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 2,932 Value ($000) $763 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 3,124 Value ($000) $958 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 2,506 Value ($000) $733 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 2,272 Value ($000) $920 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 2,308 Value ($000) $975 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 3,378 Value ($000) $6,394 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 1,589 Value ($000) $526 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 2,874 Value ($000) $413,234 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 1,553 Value ($000) $475 Avg Close $317.43 Range $270.62 - $358.89

Q2 2013

Shares 1,023 Value ($000) $220 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,996	$351	$163.37	$138.00 - $185.17
Q3 2025	2,026	$284	$135.17	$121.05 - $150.28
Q2 2025	1,991	$250	$124.60	$110.04 - $137.32
Q4 2024	2,343	$358	$168.67	$145.07 - $195.00
Q3 2024	2,251	$425	$209.21	$188.78 - $238.00
Q2 2024	2,581	$598	$217.32	$189.44 - $237.54
Q1 2024	3,475	$893	$234.20	$211.02 - $268.30
Q4 2023	3,378	$874	$245.62	$220.86 - $269.43
Q3 2023	3,475	$893	$267.47	$251.85 - $287.60
Q2 2023	3,822	$1,089	$297.86	$273.39 - $319.76
Q1 2023	4,114	$1,144	$276.70	$254.80 - $295.90
Q4 2022	4,851	$1,343	$282.44	$250.31 - $311.88
Q3 2022	4,247	$1,135	$212.38	$193.65 - $283.44
Q2 2022	4,244	$866	$204.43	$187.16 - $225.50
Q1 2022	4,809	$1,013	$217.46	$192.67 - $249.00
Q4 2021	5,274	$1,266	$257.12	$221.72 - $290.76
Q3 2021	5,764	$1,663	$327.75	$282.64 - $372.12
Q2 2021	6,031	$2,051	$302.94	$257.03 - $468.55
Q1 2021	7,033	$1,948	$269.69	$238.40 - $296.38
Q4 2020	5,672	$1,390	$259.08	$223.25 - $363.92
Q3 2020	6,371	$1,792	$278.91	$261.87 - $312.00
Q2 2020	5,857	$1,567	$300.59	$257.60 - $350.24
Q1 2020	6,742	$2,134	$303.47	$262.25 - $374.99
Q4 2019	4,204	$1,248	$277.46	$219.70 - $318.00
Q3 2019	2,850	$664	$232.85	$215.78 - $246.99
Q2 2019	2,167	$507	$230.90	$219.20 - $245.35
Q1 2019	3,147	$745	$314.89	$216.12 - $344.00
Q4 2018	2,012	$607	$319.14	$278.46 - $358.41
Q3 2018	1,899	$672	$344.30	$288.13 - $388.67
Q2 2018	861	$250	$281.15	$249.17 - $310.91
Q1 2018	1,084	$298	$310.41	$259.76 - $370.57
Q4 2017	1,229	$393	$320.80	$301.81 - $348.84
Q3 2017	1,398	$438	$296.11	$269.50 - $330.00
Q2 2017	1,779	$483	$264.42	$244.28 - $291.90
Q1 2017	1,788	$490	$282.75	$260.50 - $301.42
Q4 2016	1,563	$444	$296.43	$268.00 - $329.83
Q3 2016	2,497	$782	$296.18	$240.07 - $333.65
Q2 2016	2,187	$530	$263.54	$223.02 - $292.69
Q1 2016	2,932	$763	$264.15	$242.07 - $301.02
Q4 2015	3,124	$958	$287.35	$254.00 - $311.65
Q3 2015	2,506	$733	$330.23	$265.00 - $412.24
Q2 2015	2,272	$920	$401.33	$368.88 - $432.88
Q1 2015	2,308	$975	$394.14	$334.40 - $480.18
Q4 2014	3,378	$6,394	$323.51	$290.85 - $361.93
Q3 2014	1,589	$526	$329.72	$298.31 - $349.00
Q2 2014	2,874	$413,234	$300.97	$272.02 - $322.25
Q1 2014	1,553	$475	$317.43	$270.62 - $358.89
Q2 2013	1,023	$220	$213.68	$191.80 - $242.64