BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

PRUDENTIAL PLC's Holding History (CIK: 0000898419)

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

Q4 2025

Shares 2,508 Value ($000) $441 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 2,508 Value ($000) $351 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 2,508 Value ($000) $315 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 2,508 Value ($000) $343 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 2,508 Value ($000) $384 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 2,508 Value ($000) $486 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 2,508 Value ($000) $581 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 12,952 Value ($000) $2,793 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 7,042 Value ($000) $1,822 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 14,783 Value ($000) $3,799 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 14,915 Value ($000) $4,249 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 8,139 Value ($000) $2,263 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 8,117 Value ($000) $2,248 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 3,664 Value ($000) $978 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 3,255 Value ($000) $664 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 3,367 Value ($000) $709 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 3,736 Value ($000) $896 Avg Close $257.12 Range $221.72 - $290.76

Q4 2020

Shares 12,963 Value ($000) $3,174 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 13,575 Value ($000) $3,851 Avg Close $278.91 Range $261.87 - $312.00

Q3 2019

Shares 178,663 Value ($000) $41,628 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 168,091 Value ($000) $39,333 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 143,451 Value ($000) $33,909 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 119,973 Value ($000) $36,102 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 120,860 Value ($000) $42,701 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 121,784 Value ($000) $35,346 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 118,368 Value ($000) $32,412 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 128,192 Value ($000) $40,838 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 119,492 Value ($000) $37,416 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 111,743 Value ($000) $30,322 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 69,485 Value ($000) $18,999 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 58,574 Value ($000) $15,313 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 22,569 Value ($000) $7,065 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 26,847 Value ($000) $6,492 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 28,247 Value ($000) $7,353 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 5,685 Value ($000) $1,741 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 1,489 Value ($000) $435 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 1,573 Value ($000) $635 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 1,489 Value ($000) $629 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 1,489 Value ($000) $505 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 1,489 Value ($000) $493 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 1,489 Value ($000) $470 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 1,489 Value ($000) $455 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 1,489 Value ($000) $417 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 1,489 Value ($000) $358 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 1,589 Value ($000) $342 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,508	$441	$163.37	$138.00 - $185.17
Q3 2025	2,508	$351	$135.17	$121.05 - $150.28
Q2 2025	2,508	$315	$124.60	$110.04 - $137.32
Q1 2025	2,508	$343	$142.96	$128.51 - $157.09
Q4 2024	2,508	$384	$168.67	$145.07 - $195.00
Q3 2024	2,508	$486	$209.21	$188.78 - $238.00
Q2 2024	2,508	$581	$217.32	$189.44 - $237.54
Q1 2024	12,952	$2,793	$234.20	$211.02 - $268.30
Q4 2023	7,042	$1,822	$245.62	$220.86 - $269.43
Q3 2023	14,783	$3,799	$267.47	$251.85 - $287.60
Q2 2023	14,915	$4,249	$297.86	$273.39 - $319.76
Q1 2023	8,139	$2,263	$276.70	$254.80 - $295.90
Q4 2022	8,117	$2,248	$282.44	$250.31 - $311.88
Q3 2022	3,664	$978	$212.38	$193.65 - $283.44
Q2 2022	3,255	$664	$204.43	$187.16 - $225.50
Q1 2022	3,367	$709	$217.46	$192.67 - $249.00
Q4 2021	3,736	$896	$257.12	$221.72 - $290.76
Q4 2020	12,963	$3,174	$259.08	$223.25 - $363.92
Q3 2020	13,575	$3,851	$278.91	$261.87 - $312.00
Q3 2019	178,663	$41,628	$232.85	$215.78 - $246.99
Q2 2019	168,091	$39,333	$230.90	$219.20 - $245.35
Q1 2019	143,451	$33,909	$314.89	$216.12 - $344.00
Q4 2018	119,973	$36,102	$319.14	$278.46 - $358.41
Q3 2018	120,860	$42,701	$344.30	$288.13 - $388.67
Q2 2018	121,784	$35,346	$281.15	$249.17 - $310.91
Q1 2018	118,368	$32,412	$310.41	$259.76 - $370.57
Q4 2017	128,192	$40,838	$320.80	$301.81 - $348.84
Q3 2017	119,492	$37,416	$296.11	$269.50 - $330.00
Q2 2017	111,743	$30,322	$264.42	$244.28 - $291.90
Q1 2017	69,485	$18,999	$282.75	$260.50 - $301.42
Q4 2016	58,574	$15,313	$296.43	$268.00 - $329.83
Q3 2016	22,569	$7,065	$296.18	$240.07 - $333.65
Q2 2016	26,847	$6,492	$263.54	$223.02 - $292.69
Q1 2016	28,247	$7,353	$264.15	$242.07 - $301.02
Q4 2015	5,685	$1,741	$287.35	$254.00 - $311.65
Q3 2015	1,489	$435	$330.23	$265.00 - $412.24
Q2 2015	1,573	$635	$401.33	$368.88 - $432.88
Q1 2015	1,489	$629	$394.14	$334.40 - $480.18
Q4 2014	1,489	$505	$323.51	$290.85 - $361.93
Q3 2014	1,489	$493	$329.72	$298.31 - $349.00
Q2 2014	1,489	$470	$300.97	$272.02 - $322.25
Q1 2014	1,489	$455	$317.43	$270.62 - $358.89
Q4 2013	1,489	$417	$258.65	$221.07 - $298.82
Q3 2013	1,489	$358	$223.81	$203.55 - $248.95
Q2 2013	1,589	$342	$213.68	$191.80 - $242.64