BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ING GROEP NV's Holding History (CIK: 0001039765)

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

Q4 2025

Shares 1,434 Value ($000) $252 Avg Close $163.37 Range $138.00 - $185.17

Q4 2024

Shares 22,171 Value ($000) $3,390 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 19,650 Value ($000) $3,809 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 24,595 Value ($000) $5,702 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 54,898 Value ($000) $11,838 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 49,492 Value ($000) $12,807 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 48,976 Value ($000) $12,587 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 43,848 Value ($000) $12,490 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 117,558 Value ($000) $32,685 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 65,896 Value ($000) $18,248 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 33,964 Value ($000) $9,068 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 36,102 Value ($000) $7,363 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 31,843 Value ($000) $6,706 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 35,413 Value ($000) $8,496 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 25,135 Value ($000) $7,113 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 25,020 Value ($000) $8,664 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 20,086 Value ($000) $5,619 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 20,207 Value ($000) $4,948 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 13,504 Value ($000) $3,831 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 11,380 Value ($000) $3,045 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 18,307 Value ($000) $5,792 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 22,377 Value ($000) $6,640 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 21,510 Value ($000) $5,008 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 9,461 Value ($000) $2,213 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 68,372 Value ($000) $16,162 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 62,782 Value ($000) $18,892 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 46,932 Value ($000) $16,582 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 27,311 Value ($000) $7,927 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 55,036 Value ($000) $15,070 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 54,894 Value ($000) $17,488 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 57,877 Value ($000) $18,122 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 59,781 Value ($000) $16,222 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 69,494 Value ($000) $19,001 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 68,494 Value ($000) $19,660 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 63,457 Value ($000) $19,404 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 19,071 Value ($000) $4,613 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 90,887 Value ($000) $23,668 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 265,955 Value ($000) $81,511 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 60,213 Value ($000) $17,533 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 60,397 Value ($000) $24,398 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 223,582 Value ($000) $94,452 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 280,450 Value ($000) $95,209 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 211,044 Value ($000) $69,813 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 188,488 Value ($000) $59,428 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 43,626 Value ($000) $13,350 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 62,130 Value ($000) $17,396 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 135,858 Value ($000) $32,705 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 131,031 Value ($000) $28,211 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,434	$252	$163.37	$138.00 - $185.17
Q4 2024	22,171	$3,390	$168.67	$145.07 - $195.00
Q3 2024	19,650	$3,809	$209.21	$188.78 - $238.00
Q2 2024	24,595	$5,702	$217.32	$189.44 - $237.54
Q1 2024	54,898	$11,838	$234.20	$211.02 - $268.30
Q4 2023	49,492	$12,807	$245.62	$220.86 - $269.43
Q3 2023	48,976	$12,587	$267.47	$251.85 - $287.60
Q2 2023	43,848	$12,490	$297.86	$273.39 - $319.76
Q1 2023	117,558	$32,685	$276.70	$254.80 - $295.90
Q4 2022	65,896	$18,248	$282.44	$250.31 - $311.88
Q3 2022	33,964	$9,068	$212.38	$193.65 - $283.44
Q2 2022	36,102	$7,363	$204.43	$187.16 - $225.50
Q1 2022	31,843	$6,706	$217.46	$192.67 - $249.00
Q4 2021	35,413	$8,496	$257.12	$221.72 - $290.76
Q3 2021	25,135	$7,113	$327.75	$282.64 - $372.12
Q2 2021	25,020	$8,664	$302.94	$257.03 - $468.55
Q1 2021	20,086	$5,619	$269.69	$238.40 - $296.38
Q4 2020	20,207	$4,948	$259.08	$223.25 - $363.92
Q3 2020	13,504	$3,831	$278.91	$261.87 - $312.00
Q2 2020	11,380	$3,045	$300.59	$257.60 - $350.24
Q1 2020	18,307	$5,792	$303.47	$262.25 - $374.99
Q4 2019	22,377	$6,640	$277.46	$219.70 - $318.00
Q3 2019	21,510	$5,008	$232.85	$215.78 - $246.99
Q2 2019	9,461	$2,213	$230.90	$219.20 - $245.35
Q1 2019	68,372	$16,162	$314.89	$216.12 - $344.00
Q4 2018	62,782	$18,892	$319.14	$278.46 - $358.41
Q3 2018	46,932	$16,582	$344.30	$288.13 - $388.67
Q2 2018	27,311	$7,927	$281.15	$249.17 - $310.91
Q1 2018	55,036	$15,070	$310.41	$259.76 - $370.57
Q4 2017	54,894	$17,488	$320.80	$301.81 - $348.84
Q3 2017	57,877	$18,122	$296.11	$269.50 - $330.00
Q2 2017	59,781	$16,222	$264.42	$244.28 - $291.90
Q1 2017	69,494	$19,001	$282.75	$260.50 - $301.42
Q4 2016	68,494	$19,660	$296.43	$268.00 - $329.83
Q3 2016	63,457	$19,404	$296.18	$240.07 - $333.65
Q2 2016	19,071	$4,613	$263.54	$223.02 - $292.69
Q1 2016	90,887	$23,668	$264.15	$242.07 - $301.02
Q4 2015	265,955	$81,511	$287.35	$254.00 - $311.65
Q3 2015	60,213	$17,533	$330.23	$265.00 - $412.24
Q2 2015	60,397	$24,398	$401.33	$368.88 - $432.88
Q1 2015	223,582	$94,452	$394.14	$334.40 - $480.18
Q4 2014	280,450	$95,209	$323.51	$290.85 - $361.93
Q3 2014	211,044	$69,813	$329.72	$298.31 - $349.00
Q2 2014	188,488	$59,428	$300.97	$272.02 - $322.25
Q1 2014	43,626	$13,350	$317.43	$270.62 - $358.89
Q4 2013	62,130	$17,396	$258.65	$221.07 - $298.82
Q3 2013	135,858	$32,705	$223.81	$203.55 - $248.95
Q2 2013	131,031	$28,211	$213.68	$191.80 - $242.64