BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TWIN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001059187)

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

Q3 2025

Shares 6,788 Value ($000) $951 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 12,034 Value ($000) $1,511 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 11,542 Value ($000) $1,579 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 8,513 Value ($000) $1,302 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 8,450 Value ($000) $1,638 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 8,518 Value ($000) $1,975 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 8,258 Value ($000) $1,781 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 8,851 Value ($000) $2,290 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 9,129 Value ($000) $2,346 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 9,663 Value ($000) $2,753 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 10,022 Value ($000) $2,786 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 11,580 Value ($000) $3 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 9,750 Value ($000) $2,603 Avg Close $212.38 Range $193.65 - $283.44

Q3 2021

Shares 1,547 Value ($000) $438 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 1,529 Value ($000) $529 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 1,529 Value ($000) $428 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 12,827 Value ($000) $3,141 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 13,215 Value ($000) $3,749 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 13,386 Value ($000) $3,581 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 14,329 Value ($000) $4,533 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 14,319 Value ($000) $4,249 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 16,519 Value ($000) $3,846 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 17,629 Value ($000) $4,123 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 27,964 Value ($000) $6,610 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 27,894 Value ($000) $8,394 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 29,410 Value ($000) $10,391 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 27,140 Value ($000) $7,877 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 26,800 Value ($000) $7,338 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 34,322 Value ($000) $10,934 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 26,020 Value ($000) $8,147 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 23,430 Value ($000) $6,358 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 22,250 Value ($000) $6,084 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 30,291 Value ($000) $8,589 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 32,517 Value ($000) $10,179 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 14,980 Value ($000) $3,622 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 15,880 Value ($000) $4,134 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 15,120 Value ($000) $4,632 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 13,820 Value ($000) $4,033 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 13,570 Value ($000) $5,481 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 18,150 Value ($000) $7,664 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 17,330 Value ($000) $5,883 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 16,660 Value ($000) $5,511 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 15,149 Value ($000) $4,777 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 12,369 Value ($000) $3,783 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 12,469 Value ($000) $3,486 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 12,369 Value ($000) $2,978 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 11,719 Value ($000) $2,522 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	6,788	$951	$135.17	$121.05 - $150.28
Q2 2025	12,034	$1,511	$124.60	$110.04 - $137.32
Q1 2025	11,542	$1,579	$142.96	$128.51 - $157.09
Q4 2024	8,513	$1,302	$168.67	$145.07 - $195.00
Q3 2024	8,450	$1,638	$209.21	$188.78 - $238.00
Q2 2024	8,518	$1,975	$217.32	$189.44 - $237.54
Q1 2024	8,258	$1,781	$234.20	$211.02 - $268.30
Q4 2023	8,851	$2,290	$245.62	$220.86 - $269.43
Q3 2023	9,129	$2,346	$267.47	$251.85 - $287.60
Q2 2023	9,663	$2,753	$297.86	$273.39 - $319.76
Q1 2023	10,022	$2,786	$276.70	$254.80 - $295.90
Q4 2022	11,580	$3	$282.44	$250.31 - $311.88
Q3 2022	9,750	$2,603	$212.38	$193.65 - $283.44
Q3 2021	1,547	$438	$327.75	$282.64 - $372.12
Q2 2021	1,529	$529	$302.94	$257.03 - $468.55
Q1 2021	1,529	$428	$269.69	$238.40 - $296.38
Q4 2020	12,827	$3,141	$259.08	$223.25 - $363.92
Q3 2020	13,215	$3,749	$278.91	$261.87 - $312.00
Q2 2020	13,386	$3,581	$300.59	$257.60 - $350.24
Q1 2020	14,329	$4,533	$303.47	$262.25 - $374.99
Q4 2019	14,319	$4,249	$277.46	$219.70 - $318.00
Q3 2019	16,519	$3,846	$232.85	$215.78 - $246.99
Q2 2019	17,629	$4,123	$230.90	$219.20 - $245.35
Q1 2019	27,964	$6,610	$314.89	$216.12 - $344.00
Q4 2018	27,894	$8,394	$319.14	$278.46 - $358.41
Q3 2018	29,410	$10,391	$344.30	$288.13 - $388.67
Q2 2018	27,140	$7,877	$281.15	$249.17 - $310.91
Q1 2018	26,800	$7,338	$310.41	$259.76 - $370.57
Q4 2017	34,322	$10,934	$320.80	$301.81 - $348.84
Q3 2017	26,020	$8,147	$296.11	$269.50 - $330.00
Q2 2017	23,430	$6,358	$264.42	$244.28 - $291.90
Q1 2017	22,250	$6,084	$282.75	$260.50 - $301.42
Q4 2016	30,291	$8,589	$296.43	$268.00 - $329.83
Q3 2016	32,517	$10,179	$296.18	$240.07 - $333.65
Q2 2016	14,980	$3,622	$263.54	$223.02 - $292.69
Q1 2016	15,880	$4,134	$264.15	$242.07 - $301.02
Q4 2015	15,120	$4,632	$287.35	$254.00 - $311.65
Q3 2015	13,820	$4,033	$330.23	$265.00 - $412.24
Q2 2015	13,570	$5,481	$401.33	$368.88 - $432.88
Q1 2015	18,150	$7,664	$394.14	$334.40 - $480.18
Q4 2014	17,330	$5,883	$323.51	$290.85 - $361.93
Q3 2014	16,660	$5,511	$329.72	$298.31 - $349.00
Q2 2014	15,149	$4,777	$300.97	$272.02 - $322.25
Q1 2014	12,369	$3,783	$317.43	$270.62 - $358.89
Q4 2013	12,469	$3,486	$258.65	$221.07 - $298.82
Q3 2013	12,369	$2,978	$223.81	$203.55 - $248.95
Q2 2013	11,719	$2,522	$213.68	$191.80 - $242.64