BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q3 2023

Shares 56,740 Value ($000) $14,583 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 99,447 Value ($000) $28,327 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 140,502 Value ($000) $39,064 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 135,102 Value ($000) $37,412 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 140,800 Value ($000) $37,594 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 141,200 Value ($000) $28,796 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 127,500 Value ($000) $26,851 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 99,100 Value ($000) $23,776 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 93,400 Value ($000) $26,431 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 79,000 Value ($000) $27,355 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 72,600 Value ($000) $20,310 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 58,676 Value ($000) $14,367 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 15,936 Value ($000) $4,521 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 15,936 Value ($000) $4,264 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 20,036 Value ($000) $6,339 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 29,943 Value ($000) $8,885 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 39,010 Value ($000) $9,082 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 40,500 Value ($000) $9,472 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 28,300 Value ($000) $6,690 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 5,800 Value ($000) $1,745 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 5,600 Value ($000) $1,979 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 8,010 Value ($000) $2,325 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 30,200 Value ($000) $8,269 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 1,300 Value ($000) $414 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 1,480 Value ($000) $463 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 24,484 Value ($000) $6,644 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 1,480 Value ($000) $405 Avg Close $282.75 Range $260.50 - $301.42

Q1 2016

Shares 1,380 Value ($000) $359 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 98,334 Value ($000) $30,125 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 179,221 Value ($000) $52,298 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 251,045 Value ($000) $101,407 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 669,145 Value ($000) $282,540 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 696,116 Value ($000) $236,297 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 800,301 Value ($000) $264,748 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 857,799 Value ($000) $270,473 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 476,999 Value ($000) $145,900 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 136,231 Value ($000) $38,111 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 136,728 Value ($000) $32,919 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 144,501 Value ($000) $31,097 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	56,740	$14,583	$267.47	$251.85 - $287.60
Q2 2023	99,447	$28,327	$297.86	$273.39 - $319.76
Q1 2023	140,502	$39,064	$276.70	$254.80 - $295.90
Q4 2022	135,102	$37,412	$282.44	$250.31 - $311.88
Q3 2022	140,800	$37,594	$212.38	$193.65 - $283.44
Q2 2022	141,200	$28,796	$204.43	$187.16 - $225.50
Q1 2022	127,500	$26,851	$217.46	$192.67 - $249.00
Q4 2021	99,100	$23,776	$257.12	$221.72 - $290.76
Q3 2021	93,400	$26,431	$327.75	$282.64 - $372.12
Q2 2021	79,000	$27,355	$302.94	$257.03 - $468.55
Q1 2021	72,600	$20,310	$269.69	$238.40 - $296.38
Q4 2020	58,676	$14,367	$259.08	$223.25 - $363.92
Q3 2020	15,936	$4,521	$278.91	$261.87 - $312.00
Q2 2020	15,936	$4,264	$300.59	$257.60 - $350.24
Q1 2020	20,036	$6,339	$303.47	$262.25 - $374.99
Q4 2019	29,943	$8,885	$277.46	$219.70 - $318.00
Q3 2019	39,010	$9,082	$232.85	$215.78 - $246.99
Q2 2019	40,500	$9,472	$230.90	$219.20 - $245.35
Q1 2019	28,300	$6,690	$314.89	$216.12 - $344.00
Q4 2018	5,800	$1,745	$319.14	$278.46 - $358.41
Q3 2018	5,600	$1,979	$344.30	$288.13 - $388.67
Q2 2018	8,010	$2,325	$281.15	$249.17 - $310.91
Q1 2018	30,200	$8,269	$310.41	$259.76 - $370.57
Q4 2017	1,300	$414	$320.80	$301.81 - $348.84
Q3 2017	1,480	$463	$296.11	$269.50 - $330.00
Q2 2017	24,484	$6,644	$264.42	$244.28 - $291.90
Q1 2017	1,480	$405	$282.75	$260.50 - $301.42
Q1 2016	1,380	$359	$264.15	$242.07 - $301.02
Q4 2015	98,334	$30,125	$287.35	$254.00 - $311.65
Q3 2015	179,221	$52,298	$330.23	$265.00 - $412.24
Q2 2015	251,045	$101,407	$401.33	$368.88 - $432.88
Q1 2015	669,145	$282,540	$394.14	$334.40 - $480.18
Q4 2014	696,116	$236,297	$323.51	$290.85 - $361.93
Q3 2014	800,301	$264,748	$329.72	$298.31 - $349.00
Q2 2014	857,799	$270,473	$300.97	$272.02 - $322.25
Q1 2014	476,999	$145,900	$317.43	$270.62 - $358.89
Q4 2013	136,231	$38,111	$258.65	$221.07 - $298.82
Q3 2013	136,728	$32,919	$223.81	$203.55 - $248.95
Q2 2013	144,501	$31,097	$213.68	$191.80 - $242.64