BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Mitsubishi UFJ Trust & Banking Corp's Holding History (CIK: 0001462160)

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

Q4 2025

Shares 65,318 Value ($000) $11,495 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 84,660 Value ($000) $11,859 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 81,195 Value ($000) $10,197 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 77,233 Value ($000) $10,569 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 81,614 Value ($000) $12,480 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 79,171 Value ($000) $15,347 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 78,627 Value ($000) $18,227 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 78,053 Value ($000) $16,830 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 84,307 Value ($000) $21,816 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 96,773 Value ($000) $24,872 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 97,992 Value ($000) $27,913 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 128,194 Value ($000) $35,642 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 156,575 Value ($000) $43,359 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 170,296 Value ($000) $45,470 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 164,583 Value ($000) $33,565 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 153,151 Value ($000) $32,254 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 161,781 Value ($000) $38,814 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 185,863 Value ($000) $52,596 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 200,735 Value ($000) $69,531 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 227,051 Value ($000) $59,563 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 231,304 Value ($000) $56,637 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 231,176 Value ($000) $65,580 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 224,910 Value ($000) $60,174 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 217,249 Value ($000) $68,733 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 207,626 Value ($000) $61,609 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 205,105 Value ($000) $47,305 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 182,444 Value ($000) $43,745 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 177,024 Value ($000) $41,215 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 178,493 Value ($000) $53,712 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 178,116 Value ($000) $62,930 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 445,938 Value ($000) $129,429 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 437,865 Value ($000) $119,896 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 433,856 Value ($000) $138,214 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 445,465 Value ($000) $139,484 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 450,616 Value ($000) $122,279 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 488,030 Value ($000) $133,437 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 473,710 Value ($000) $134,335 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 483,277 Value ($000) $151,280 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 510,836 Value ($000) $123,530 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 515,567 Value ($000) $134,212 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 501,950 Value ($000) $153,772 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 465,946 Value ($000) $135,968 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 458,523 Value ($000) $185,216 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 454,726 Value ($000) $192,004 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 440,098 Value ($000) $149,391 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 427,337 Value ($000) $141,367 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 445,734 Value ($000) $140,544 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 442,035 Value ($000) $135,205 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 441,695 Value ($000) $123,486 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 450,568 Value ($000) $108,479 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 440,674 Value ($000) $94,833 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	65,318	$11,495	$163.37	$138.00 - $185.17
Q3 2025	84,660	$11,859	$135.17	$121.05 - $150.28
Q2 2025	81,195	$10,197	$124.60	$110.04 - $137.32
Q1 2025	77,233	$10,569	$142.96	$128.51 - $157.09
Q4 2024	81,614	$12,480	$168.67	$145.07 - $195.00
Q3 2024	79,171	$15,347	$209.21	$188.78 - $238.00
Q2 2024	78,627	$18,227	$217.32	$189.44 - $237.54
Q1 2024	78,053	$16,830	$234.20	$211.02 - $268.30
Q4 2023	84,307	$21,816	$245.62	$220.86 - $269.43
Q3 2023	96,773	$24,872	$267.47	$251.85 - $287.60
Q2 2023	97,992	$27,913	$297.86	$273.39 - $319.76
Q1 2023	128,194	$35,642	$276.70	$254.80 - $295.90
Q4 2022	156,575	$43,359	$282.44	$250.31 - $311.88
Q3 2022	170,296	$45,470	$212.38	$193.65 - $283.44
Q2 2022	164,583	$33,565	$204.43	$187.16 - $225.50
Q1 2022	153,151	$32,254	$217.46	$192.67 - $249.00
Q4 2021	161,781	$38,814	$257.12	$221.72 - $290.76
Q3 2021	185,863	$52,596	$327.75	$282.64 - $372.12
Q2 2021	200,735	$69,531	$302.94	$257.03 - $468.55
Q1 2021	227,051	$59,563	$269.69	$238.40 - $296.38
Q4 2020	231,304	$56,637	$259.08	$223.25 - $363.92
Q3 2020	231,176	$65,580	$278.91	$261.87 - $312.00
Q2 2020	224,910	$60,174	$300.59	$257.60 - $350.24
Q1 2020	217,249	$68,733	$303.47	$262.25 - $374.99
Q4 2019	207,626	$61,609	$277.46	$219.70 - $318.00
Q3 2019	205,105	$47,305	$232.85	$215.78 - $246.99
Q2 2019	182,444	$43,745	$230.90	$219.20 - $245.35
Q1 2019	177,024	$41,215	$314.89	$216.12 - $344.00
Q4 2018	178,493	$53,712	$319.14	$278.46 - $358.41
Q3 2018	178,116	$62,930	$344.30	$288.13 - $388.67
Q2 2018	445,938	$129,429	$281.15	$249.17 - $310.91
Q1 2018	437,865	$119,896	$310.41	$259.76 - $370.57
Q4 2017	433,856	$138,214	$320.80	$301.81 - $348.84
Q3 2017	445,465	$139,484	$296.11	$269.50 - $330.00
Q2 2017	450,616	$122,279	$264.42	$244.28 - $291.90
Q1 2017	488,030	$133,437	$282.75	$260.50 - $301.42
Q4 2016	473,710	$134,335	$296.43	$268.00 - $329.83
Q3 2016	483,277	$151,280	$296.18	$240.07 - $333.65
Q2 2016	510,836	$123,530	$263.54	$223.02 - $292.69
Q1 2016	515,567	$134,212	$264.15	$242.07 - $301.02
Q4 2015	501,950	$153,772	$287.35	$254.00 - $311.65
Q3 2015	465,946	$135,968	$330.23	$265.00 - $412.24
Q2 2015	458,523	$185,216	$401.33	$368.88 - $432.88
Q1 2015	454,726	$192,004	$394.14	$334.40 - $480.18
Q4 2014	440,098	$149,391	$323.51	$290.85 - $361.93
Q3 2014	427,337	$141,367	$329.72	$298.31 - $349.00
Q2 2014	445,734	$140,544	$300.97	$272.02 - $322.25
Q1 2014	442,035	$135,205	$317.43	$270.62 - $358.89
Q4 2013	441,695	$123,486	$258.65	$221.07 - $298.82
Q3 2013	450,568	$108,479	$223.81	$203.55 - $248.95
Q2 2013	440,674	$94,833	$213.68	$191.80 - $242.64