BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

GRIMES & COMPANY, INC.'s Holding History (CIK: 0001321993)

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

Q4 2025

Shares 33,844 Value ($000) $5,956 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 35,297 Value ($000) $4,944 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 41,024 Value ($000) $5,152 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 59,334 Value ($000) $8,119 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 25,613 Value ($000) $3,917 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 47,467 Value ($000) $9,201 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 47,740 Value ($000) $11,067 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 46,888 Value ($000) $10,111 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 45,199 Value ($000) $11,696 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 44,570 Value ($000) $11,455 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 44,084 Value ($000) $12,557 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 44,488 Value ($000) $12,369 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 46,035 Value ($000) $12,748 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 46,721 Value ($000) $12,475 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 46,126 Value ($000) $9,407 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 45,188 Value ($000) $9,517 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 41,529 Value ($000) $9,964 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 41,841 Value ($000) $11,841 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 41,854 Value ($000) $14,493 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 42,051 Value ($000) $11,764 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 38,710 Value ($000) $9,479 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 35,700 Value ($000) $10,127 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 32,194 Value ($000) $8,614 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 32,389 Value ($000) $10,247 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 32,717 Value ($000) $9,708 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 37,956 Value ($000) $8,837 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 1,760 Value ($000) $412 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 2,760 Value ($000) $653 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 1,760 Value ($000) $530 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 2,052 Value ($000) $725 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 1,960 Value ($000) $569 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 1,330 Value ($000) $364 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 1,365 Value ($000) $435 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 1,365 Value ($000) $427 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 1,365 Value ($000) $370 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 1,365 Value ($000) $373 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 1,365 Value ($000) $387 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 1,365 Value ($000) $427 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 1,585 Value ($000) $383 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 1,585 Value ($000) $413 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 1,445 Value ($000) $443 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 1,483 Value ($000) $433 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 1,683 Value ($000) $680 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 1,543 Value ($000) $652 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 1,539 Value ($000) $522 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 1,577 Value ($000) $522 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 1,527 Value ($000) $481 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 1,178 Value ($000) $360 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 963 Value ($000) $269 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 963 Value ($000) $232 Avg Close $223.81 Range $203.55 - $248.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,844	$5,956	$163.37	$138.00 - $185.17
Q3 2025	35,297	$4,944	$135.17	$121.05 - $150.28
Q2 2025	41,024	$5,152	$124.60	$110.04 - $137.32
Q1 2025	59,334	$8,119	$142.96	$128.51 - $157.09
Q4 2024	25,613	$3,917	$168.67	$145.07 - $195.00
Q3 2024	47,467	$9,201	$209.21	$188.78 - $238.00
Q2 2024	47,740	$11,067	$217.32	$189.44 - $237.54
Q1 2024	46,888	$10,111	$234.20	$211.02 - $268.30
Q4 2023	45,199	$11,696	$245.62	$220.86 - $269.43
Q3 2023	44,570	$11,455	$267.47	$251.85 - $287.60
Q2 2023	44,084	$12,557	$297.86	$273.39 - $319.76
Q1 2023	44,488	$12,369	$276.70	$254.80 - $295.90
Q4 2022	46,035	$12,748	$282.44	$250.31 - $311.88
Q3 2022	46,721	$12,475	$212.38	$193.65 - $283.44
Q2 2022	46,126	$9,407	$204.43	$187.16 - $225.50
Q1 2022	45,188	$9,517	$217.46	$192.67 - $249.00
Q4 2021	41,529	$9,964	$257.12	$221.72 - $290.76
Q3 2021	41,841	$11,841	$327.75	$282.64 - $372.12
Q2 2021	41,854	$14,493	$302.94	$257.03 - $468.55
Q1 2021	42,051	$11,764	$269.69	$238.40 - $296.38
Q4 2020	38,710	$9,479	$259.08	$223.25 - $363.92
Q3 2020	35,700	$10,127	$278.91	$261.87 - $312.00
Q2 2020	32,194	$8,614	$300.59	$257.60 - $350.24
Q1 2020	32,389	$10,247	$303.47	$262.25 - $374.99
Q4 2019	32,717	$9,708	$277.46	$219.70 - $318.00
Q3 2019	37,956	$8,837	$232.85	$215.78 - $246.99
Q2 2019	1,760	$412	$230.90	$219.20 - $245.35
Q1 2019	2,760	$653	$314.89	$216.12 - $344.00
Q4 2018	1,760	$530	$319.14	$278.46 - $358.41
Q3 2018	2,052	$725	$344.30	$288.13 - $388.67
Q2 2018	1,960	$569	$281.15	$249.17 - $310.91
Q1 2018	1,330	$364	$310.41	$259.76 - $370.57
Q4 2017	1,365	$435	$320.80	$301.81 - $348.84
Q3 2017	1,365	$427	$296.11	$269.50 - $330.00
Q2 2017	1,365	$370	$264.42	$244.28 - $291.90
Q1 2017	1,365	$373	$282.75	$260.50 - $301.42
Q4 2016	1,365	$387	$296.43	$268.00 - $329.83
Q3 2016	1,365	$427	$296.18	$240.07 - $333.65
Q2 2016	1,585	$383	$263.54	$223.02 - $292.69
Q1 2016	1,585	$413	$264.15	$242.07 - $301.02
Q4 2015	1,445	$443	$287.35	$254.00 - $311.65
Q3 2015	1,483	$433	$330.23	$265.00 - $412.24
Q2 2015	1,683	$680	$401.33	$368.88 - $432.88
Q1 2015	1,543	$652	$394.14	$334.40 - $480.18
Q4 2014	1,539	$522	$323.51	$290.85 - $361.93
Q3 2014	1,577	$522	$329.72	$298.31 - $349.00
Q2 2014	1,527	$481	$300.97	$272.02 - $322.25
Q1 2014	1,178	$360	$317.43	$270.62 - $358.89
Q4 2013	963	$269	$258.65	$221.07 - $298.82
Q3 2013	963	$232	$223.81	$203.55 - $248.95