BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

NEUBERGER BERMAN GROUP LLC's Holding History (CIK: 0001465109)

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

Q4 2025

Shares 11,404 Value ($000) $2,007 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 10,978 Value ($000) $1,538 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 11,116 Value ($000) $1,396 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 6,890 Value ($000) $943 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 3,442 Value ($000) $526 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 32,099 Value ($000) $6,222 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 31,506 Value ($000) $7,304 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 19,696 Value ($000) $4,247 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 22,393 Value ($000) $5,795 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 20,127 Value ($000) $5,173 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 312,439 Value ($000) $88,998 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 312,464 Value ($000) $86,874 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 301,531 Value ($000) $83,500 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 405,493 Value ($000) $108,268 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 211,681 Value ($000) $43,172 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 11,392 Value ($000) $2,399 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 10,902 Value ($000) $2,057 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 7,894 Value ($000) $1,545 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 7,910 Value ($000) $1,981 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 5,333 Value ($000) $1,412 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 4,865 Value ($000) $1,163 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 6,971 Value ($000) $1,935 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 9,620 Value ($000) $2,551 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 6,474 Value ($000) $2,048 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 6,202 Value ($000) $1,840 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 6,611 Value ($000) $1,539 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 8,344 Value ($000) $1,951 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 18,691 Value ($000) $4,418 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 18,579 Value ($000) $5,590 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 21,035 Value ($000) $7,431 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 20,452 Value ($000) $5,941 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 21,256 Value ($000) $5,824 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 20,829 Value ($000) $6,643 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 26,644 Value ($000) $8,343 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 27,974 Value ($000) $7,591 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 23,585 Value ($000) $6,449 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 22,025 Value ($000) $6,246 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 17,635 Value ($000) $5,520 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 13,885 Value ($000) $3,358 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 10,265 Value ($000) $2,672 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 10,339 Value ($000) $3,167 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 14,551 Value ($000) $4,246 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 230,618 Value ($000) $93,156 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 82,232 Value ($000) $34,722 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 67,163 Value ($000) $22,798 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 8,594 Value ($000) $2,842 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 9,074 Value ($000) $2,861 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 11,300 Value ($000) $3,456 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 276,096 Value ($000) $77,189 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 293,321 Value ($000) $70,620 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 490,542 Value ($000) $105,565 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,404	$2,007	$163.37	$138.00 - $185.17
Q3 2025	10,978	$1,538	$135.17	$121.05 - $150.28
Q2 2025	11,116	$1,396	$124.60	$110.04 - $137.32
Q1 2025	6,890	$943	$142.96	$128.51 - $157.09
Q4 2024	3,442	$526	$168.67	$145.07 - $195.00
Q3 2024	32,099	$6,222	$209.21	$188.78 - $238.00
Q2 2024	31,506	$7,304	$217.32	$189.44 - $237.54
Q1 2024	19,696	$4,247	$234.20	$211.02 - $268.30
Q4 2023	22,393	$5,795	$245.62	$220.86 - $269.43
Q3 2023	20,127	$5,173	$267.47	$251.85 - $287.60
Q2 2023	312,439	$88,998	$297.86	$273.39 - $319.76
Q1 2023	312,464	$86,874	$276.70	$254.80 - $295.90
Q4 2022	301,531	$83,500	$282.44	$250.31 - $311.88
Q3 2022	405,493	$108,268	$212.38	$193.65 - $283.44
Q2 2022	211,681	$43,172	$204.43	$187.16 - $225.50
Q1 2022	11,392	$2,399	$217.46	$192.67 - $249.00
Q4 2021	10,902	$2,057	$257.12	$221.72 - $290.76
Q3 2021	7,894	$1,545	$327.75	$282.64 - $372.12
Q2 2021	7,910	$1,981	$302.94	$257.03 - $468.55
Q1 2021	5,333	$1,412	$269.69	$238.40 - $296.38
Q4 2020	4,865	$1,163	$259.08	$223.25 - $363.92
Q3 2020	6,971	$1,935	$278.91	$261.87 - $312.00
Q2 2020	9,620	$2,551	$300.59	$257.60 - $350.24
Q1 2020	6,474	$2,048	$303.47	$262.25 - $374.99
Q4 2019	6,202	$1,840	$277.46	$219.70 - $318.00
Q3 2019	6,611	$1,539	$232.85	$215.78 - $246.99
Q2 2019	8,344	$1,951	$230.90	$219.20 - $245.35
Q1 2019	18,691	$4,418	$314.89	$216.12 - $344.00
Q4 2018	18,579	$5,590	$319.14	$278.46 - $358.41
Q3 2018	21,035	$7,431	$344.30	$288.13 - $388.67
Q2 2018	20,452	$5,941	$281.15	$249.17 - $310.91
Q1 2018	21,256	$5,824	$310.41	$259.76 - $370.57
Q4 2017	20,829	$6,643	$320.80	$301.81 - $348.84
Q3 2017	26,644	$8,343	$296.11	$269.50 - $330.00
Q2 2017	27,974	$7,591	$264.42	$244.28 - $291.90
Q1 2017	23,585	$6,449	$282.75	$260.50 - $301.42
Q4 2016	22,025	$6,246	$296.43	$268.00 - $329.83
Q3 2016	17,635	$5,520	$296.18	$240.07 - $333.65
Q2 2016	13,885	$3,358	$263.54	$223.02 - $292.69
Q1 2016	10,265	$2,672	$264.15	$242.07 - $301.02
Q4 2015	10,339	$3,167	$287.35	$254.00 - $311.65
Q3 2015	14,551	$4,246	$330.23	$265.00 - $412.24
Q2 2015	230,618	$93,156	$401.33	$368.88 - $432.88
Q1 2015	82,232	$34,722	$394.14	$334.40 - $480.18
Q4 2014	67,163	$22,798	$323.51	$290.85 - $361.93
Q3 2014	8,594	$2,842	$329.72	$298.31 - $349.00
Q2 2014	9,074	$2,861	$300.97	$272.02 - $322.25
Q1 2014	11,300	$3,456	$317.43	$270.62 - $358.89
Q4 2013	276,096	$77,189	$258.65	$221.07 - $298.82
Q3 2013	293,321	$70,620	$223.81	$203.55 - $248.95
Q2 2013	490,542	$105,565	$213.68	$191.80 - $242.64