BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

VICTORY CAPITAL MANAGEMENT INC's Holding History (CIK: 0001040188)

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

Q4 2025

Shares 246,650 Value ($000) $43,408 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 212,962 Value ($000) $29,832 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 123,432 Value ($000) $15,502 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 124,756 Value ($000) $17,072 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 119,033 Value ($000) $18,203 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 130,709 Value ($000) $25,337 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 133,213 Value ($000) $30,881 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 135,254 Value ($000) $29,165 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 131,148 Value ($000) $33,937 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 134,130 Value ($000) $34,473 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 109,759 Value ($000) $31,265 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 140,373 Value ($000) $39,028 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 155,863 Value ($000) $43,162 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 163,545 Value ($000) $43,667 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 167,477 Value ($000) $34,155 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 165,702 Value ($000) $34,373 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 140,146 Value ($000) $33,624 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 128,283 Value ($000) $36,303 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 163,265 Value ($000) $56,534 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 170,165 Value ($000) $47,604 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 185,955 Value ($000) $45,533 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 197,255 Value ($000) $55,957 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 169,426 Value ($000) $45,330 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 174,067 Value ($000) $55,071 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 217,934 Value ($000) $64,668 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 218,224 Value ($000) $50,807 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 56,482 Value ($000) $13,209 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 57,135 Value ($000) $13,506 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 52,060 Value ($000) $15,666 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 21,423 Value ($000) $7,569 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 3,200 Value ($000) $929 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 3,267 Value ($000) $895 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 8,903 Value ($000) $2,837 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 8,433 Value ($000) $2,641 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 7,863 Value ($000) $2,134 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 7,374 Value ($000) $2,016 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 20,177 Value ($000) $5,722 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 20,426 Value ($000) $6,394 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 4,450 Value ($000) $1,076 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 4,490 Value ($000) $1,169 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 4,177 Value ($000) $1,280 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 1,147 Value ($000) $335 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 7,816 Value ($000) $3,159 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 126,690 Value ($000) $53,493 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 144,727 Value ($000) $49,128 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 143,715 Value ($000) $47,544 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 209,335 Value ($000) $66,007 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 219,440 Value ($000) $67,120 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 161,020 Value ($000) $45,045 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 226,641 Value ($000) $54,565 Avg Close $223.81 Range $203.55 - $248.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	246,650	$43,408	$163.37	$138.00 - $185.17
Q3 2025	212,962	$29,832	$135.17	$121.05 - $150.28
Q2 2025	123,432	$15,502	$124.60	$110.04 - $137.32
Q1 2025	124,756	$17,072	$142.96	$128.51 - $157.09
Q4 2024	119,033	$18,203	$168.67	$145.07 - $195.00
Q3 2024	130,709	$25,337	$209.21	$188.78 - $238.00
Q2 2024	133,213	$30,881	$217.32	$189.44 - $237.54
Q1 2024	135,254	$29,165	$234.20	$211.02 - $268.30
Q4 2023	131,148	$33,937	$245.62	$220.86 - $269.43
Q3 2023	134,130	$34,473	$267.47	$251.85 - $287.60
Q2 2023	109,759	$31,265	$297.86	$273.39 - $319.76
Q1 2023	140,373	$39,028	$276.70	$254.80 - $295.90
Q4 2022	155,863	$43,162	$282.44	$250.31 - $311.88
Q3 2022	163,545	$43,667	$212.38	$193.65 - $283.44
Q2 2022	167,477	$34,155	$204.43	$187.16 - $225.50
Q1 2022	165,702	$34,373	$217.46	$192.67 - $249.00
Q4 2021	140,146	$33,624	$257.12	$221.72 - $290.76
Q3 2021	128,283	$36,303	$327.75	$282.64 - $372.12
Q2 2021	163,265	$56,534	$302.94	$257.03 - $468.55
Q1 2021	170,165	$47,604	$269.69	$238.40 - $296.38
Q4 2020	185,955	$45,533	$259.08	$223.25 - $363.92
Q3 2020	197,255	$55,957	$278.91	$261.87 - $312.00
Q2 2020	169,426	$45,330	$300.59	$257.60 - $350.24
Q1 2020	174,067	$55,071	$303.47	$262.25 - $374.99
Q4 2019	217,934	$64,668	$277.46	$219.70 - $318.00
Q3 2019	218,224	$50,807	$232.85	$215.78 - $246.99
Q2 2019	56,482	$13,209	$230.90	$219.20 - $245.35
Q1 2019	57,135	$13,506	$314.89	$216.12 - $344.00
Q4 2018	52,060	$15,666	$319.14	$278.46 - $358.41
Q3 2018	21,423	$7,569	$344.30	$288.13 - $388.67
Q2 2018	3,200	$929	$281.15	$249.17 - $310.91
Q1 2018	3,267	$895	$310.41	$259.76 - $370.57
Q4 2017	8,903	$2,837	$320.80	$301.81 - $348.84
Q3 2017	8,433	$2,641	$296.11	$269.50 - $330.00
Q2 2017	7,863	$2,134	$264.42	$244.28 - $291.90
Q1 2017	7,374	$2,016	$282.75	$260.50 - $301.42
Q4 2016	20,177	$5,722	$296.43	$268.00 - $329.83
Q3 2016	20,426	$6,394	$296.18	$240.07 - $333.65
Q2 2016	4,450	$1,076	$263.54	$223.02 - $292.69
Q1 2016	4,490	$1,169	$264.15	$242.07 - $301.02
Q4 2015	4,177	$1,280	$287.35	$254.00 - $311.65
Q3 2015	1,147	$335	$330.23	$265.00 - $412.24
Q2 2015	7,816	$3,159	$401.33	$368.88 - $432.88
Q1 2015	126,690	$53,493	$394.14	$334.40 - $480.18
Q4 2014	144,727	$49,128	$323.51	$290.85 - $361.93
Q3 2014	143,715	$47,544	$329.72	$298.31 - $349.00
Q2 2014	209,335	$66,007	$300.97	$272.02 - $322.25
Q1 2014	219,440	$67,120	$317.43	$270.62 - $358.89
Q4 2013	161,020	$45,045	$258.65	$221.07 - $298.82
Q3 2013	226,641	$54,565	$223.81	$203.55 - $248.95