BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SUMITOMO LIFE INSURANCE CO's Holding History (CIK: 0000937760)

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

Q4 2025

Shares 1,605 Value ($000) $282 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 1,617 Value ($000) $227 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 1,656 Value ($000) $208 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 1,711 Value ($000) $234 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 1,730 Value ($000) $265 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 3,906 Value ($000) $757 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 3,744 Value ($000) $868 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 4,205 Value ($000) $907 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 4,391 Value ($000) $1,136 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 4,619 Value ($000) $1,187 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 4,680 Value ($000) $1,333 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 5,118 Value ($000) $1 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 5,170 Value ($000) $1 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 5,448 Value ($000) $1,455 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 5,846 Value ($000) $1,192 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 5,654 Value ($000) $1,191 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 5,846 Value ($000) $1,403 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 6,003 Value ($000) $1,699 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 6,257 Value ($000) $2,167 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 7,231 Value ($000) $2,023 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 7,530 Value ($000) $1,844 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 8,414 Value ($000) $2,387 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 8,853 Value ($000) $2,369 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 9,600 Value ($000) $3,037 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 9,470 Value ($000) $2,810 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 8,937 Value ($000) $2,081 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 10,079 Value ($000) $2,357 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 9,672 Value ($000) $2,286 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 10,793 Value ($000) $3,248 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 10,510 Value ($000) $3,713 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 10,688 Value ($000) $3,102 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 6,348 Value ($000) $1,738 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 6,628 Value ($000) $2,111 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 6,949 Value ($000) $2,176 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 7,076 Value ($000) $1,920 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 6,746 Value ($000) $1,844 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 7,198 Value ($000) $2,041 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 7,038 Value ($000) $2,203 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 9,637 Value ($000) $2,330 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 9,977 Value ($000) $2,597 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 10,278 Value ($000) $3,149 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 11,427 Value ($000) $3,335 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 11,286 Value ($000) $4,559 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 12,270 Value ($000) $5,181 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 15,181 Value ($000) $5,153 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 16,016 Value ($000) $5,298 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 16,529 Value ($000) $5,212 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 19,758 Value ($000) $6,043 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 16,649 Value ($000) $4,658 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 19,027 Value ($000) $4,581 Avg Close $223.81 Range $203.55 - $248.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,605	$282	$163.37	$138.00 - $185.17
Q3 2025	1,617	$227	$135.17	$121.05 - $150.28
Q2 2025	1,656	$208	$124.60	$110.04 - $137.32
Q1 2025	1,711	$234	$142.96	$128.51 - $157.09
Q4 2024	1,730	$265	$168.67	$145.07 - $195.00
Q3 2024	3,906	$757	$209.21	$188.78 - $238.00
Q2 2024	3,744	$868	$217.32	$189.44 - $237.54
Q1 2024	4,205	$907	$234.20	$211.02 - $268.30
Q4 2023	4,391	$1,136	$245.62	$220.86 - $269.43
Q3 2023	4,619	$1,187	$267.47	$251.85 - $287.60
Q2 2023	4,680	$1,333	$297.86	$273.39 - $319.76
Q1 2023	5,118	$1	$276.70	$254.80 - $295.90
Q4 2022	5,170	$1	$282.44	$250.31 - $311.88
Q3 2022	5,448	$1,455	$212.38	$193.65 - $283.44
Q2 2022	5,846	$1,192	$204.43	$187.16 - $225.50
Q1 2022	5,654	$1,191	$217.46	$192.67 - $249.00
Q4 2021	5,846	$1,403	$257.12	$221.72 - $290.76
Q3 2021	6,003	$1,699	$327.75	$282.64 - $372.12
Q2 2021	6,257	$2,167	$302.94	$257.03 - $468.55
Q1 2021	7,231	$2,023	$269.69	$238.40 - $296.38
Q4 2020	7,530	$1,844	$259.08	$223.25 - $363.92
Q3 2020	8,414	$2,387	$278.91	$261.87 - $312.00
Q2 2020	8,853	$2,369	$300.59	$257.60 - $350.24
Q1 2020	9,600	$3,037	$303.47	$262.25 - $374.99
Q4 2019	9,470	$2,810	$277.46	$219.70 - $318.00
Q3 2019	8,937	$2,081	$232.85	$215.78 - $246.99
Q2 2019	10,079	$2,357	$230.90	$219.20 - $245.35
Q1 2019	9,672	$2,286	$314.89	$216.12 - $344.00
Q4 2018	10,793	$3,248	$319.14	$278.46 - $358.41
Q3 2018	10,510	$3,713	$344.30	$288.13 - $388.67
Q2 2018	10,688	$3,102	$281.15	$249.17 - $310.91
Q1 2018	6,348	$1,738	$310.41	$259.76 - $370.57
Q4 2017	6,628	$2,111	$320.80	$301.81 - $348.84
Q3 2017	6,949	$2,176	$296.11	$269.50 - $330.00
Q2 2017	7,076	$1,920	$264.42	$244.28 - $291.90
Q1 2017	6,746	$1,844	$282.75	$260.50 - $301.42
Q4 2016	7,198	$2,041	$296.43	$268.00 - $329.83
Q3 2016	7,038	$2,203	$296.18	$240.07 - $333.65
Q2 2016	9,637	$2,330	$263.54	$223.02 - $292.69
Q1 2016	9,977	$2,597	$264.15	$242.07 - $301.02
Q4 2015	10,278	$3,149	$287.35	$254.00 - $311.65
Q3 2015	11,427	$3,335	$330.23	$265.00 - $412.24
Q2 2015	11,286	$4,559	$401.33	$368.88 - $432.88
Q1 2015	12,270	$5,181	$394.14	$334.40 - $480.18
Q4 2014	15,181	$5,153	$323.51	$290.85 - $361.93
Q3 2014	16,016	$5,298	$329.72	$298.31 - $349.00
Q2 2014	16,529	$5,212	$300.97	$272.02 - $322.25
Q1 2014	19,758	$6,043	$317.43	$270.62 - $358.89
Q4 2013	16,649	$4,658	$258.65	$221.07 - $298.82
Q3 2013	19,027	$4,581	$223.81	$203.55 - $248.95