BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FIRST CITIZENS BANK & TRUST CO's Holding History (CIK: 0001092203)

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

Q4 2023

Shares 1,043 Value ($000) $270 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 26,348 Value ($000) $6,772 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 18,008 Value ($000) $5,130 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 14,183 Value ($000) $3,943 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 10,635 Value ($000) $3 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 9,832 Value ($000) $2,625 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 13,475 Value ($000) $2,749 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 13,696 Value ($000) $2,885 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 13,714 Value ($000) $3,291 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 9,682 Value ($000) $2,740 Avg Close $327.75 Range $282.64 - $372.12

Q3 2020

Shares 3,790 Value ($000) $1,075 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 3,756 Value ($000) $1,005 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 6,206 Value ($000) $1,963 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 695 Value ($000) $206 Avg Close $277.46 Range $219.70 - $318.00

Q4 2016

Shares 883 Value ($000) $250 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 3,431 Value ($000) $1,074 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 1,207 Value ($000) $292 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 1,615 Value ($000) $420 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 1,407 Value ($000) $431 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 909 Value ($000) $265 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 6,216 Value ($000) $2,511 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 6,464 Value ($000) $2,729 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 4,273 Value ($000) $1,450 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 4,407 Value ($000) $1,458 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 1,029 Value ($000) $324 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 1,100 Value ($000) $336 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 1,405 Value ($000) $393 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 24,274 Value ($000) $5,844 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 24,847 Value ($000) $5,347 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	1,043	$270	$245.62	$220.86 - $269.43
Q3 2023	26,348	$6,772	$267.47	$251.85 - $287.60
Q2 2023	18,008	$5,130	$297.86	$273.39 - $319.76
Q1 2023	14,183	$3,943	$276.70	$254.80 - $295.90
Q4 2022	10,635	$3	$282.44	$250.31 - $311.88
Q3 2022	9,832	$2,625	$212.38	$193.65 - $283.44
Q2 2022	13,475	$2,749	$204.43	$187.16 - $225.50
Q1 2022	13,696	$2,885	$217.46	$192.67 - $249.00
Q4 2021	13,714	$3,291	$257.12	$221.72 - $290.76
Q3 2021	9,682	$2,740	$327.75	$282.64 - $372.12
Q3 2020	3,790	$1,075	$278.91	$261.87 - $312.00
Q2 2020	3,756	$1,005	$300.59	$257.60 - $350.24
Q1 2020	6,206	$1,963	$303.47	$262.25 - $374.99
Q4 2019	695	$206	$277.46	$219.70 - $318.00
Q4 2016	883	$250	$296.43	$268.00 - $329.83
Q3 2016	3,431	$1,074	$296.18	$240.07 - $333.65
Q2 2016	1,207	$292	$263.54	$223.02 - $292.69
Q1 2016	1,615	$420	$264.15	$242.07 - $301.02
Q4 2015	1,407	$431	$287.35	$254.00 - $311.65
Q3 2015	909	$265	$330.23	$265.00 - $412.24
Q2 2015	6,216	$2,511	$401.33	$368.88 - $432.88
Q1 2015	6,464	$2,729	$394.14	$334.40 - $480.18
Q4 2014	4,273	$1,450	$323.51	$290.85 - $361.93
Q3 2014	4,407	$1,458	$329.72	$298.31 - $349.00
Q2 2014	1,029	$324	$300.97	$272.02 - $322.25
Q1 2014	1,100	$336	$317.43	$270.62 - $358.89
Q4 2013	1,405	$393	$258.65	$221.07 - $298.82
Q3 2013	24,274	$5,844	$223.81	$203.55 - $248.95
Q2 2013	24,847	$5,347	$213.68	$191.80 - $242.64