BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt's Holding History (CIK: 0001694217)

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

Q4 2025

Shares 24,919 Value ($000) $4,386 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 113,553 Value ($000) $15,903 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 147,482 Value ($000) $18,522 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 132,891 Value ($000) $18,185 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 72,818 Value ($000) $11,135 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 76,032 Value ($000) $14,738 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 22,471 Value ($000) $5,205 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 26,211 Value ($000) $5,654 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 36,265 Value ($000) $9,380 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 34,621 Value ($000) $8,898 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 33,206 Value ($000) $9,459 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 24,126 Value ($000) $6,708 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 60,171 Value ($000) $16,662 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 54,042 Value ($000) $14,428 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 28,401 Value ($000) $5,791 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 17,001 Value ($000) $3,580 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 17,001 Value ($000) $4,081 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 30,446 Value ($000) $8,617 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 37,734 Value ($000) $13,067 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 28,669 Value ($000) $8,016 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 45,126 Value ($000) $11,010 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 104,102 Value ($000) $29,534 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 143,527 Value ($000) $38,404 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 77,933 Value ($000) $24,663 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 147,455 Value ($000) $43,738 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 181,389 Value ($000) $42,230 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 197,546 Value ($000) $46,201 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 233,182 Value ($000) $55,117 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 742,299 Value ($000) $217,890 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 890,074 Value ($000) $314,464 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 830,185 Value ($000) $240,962 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 734,659 Value ($000) $201,093 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 735,448 Value ($000) $234,309 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 1,028,427 Value ($000) $322,023 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 966,054 Value ($000) $262,148 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 760,672 Value ($000) $207,982 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 631,708 Value ($000) $179,141 Avg Close $296.43 Range $268.00 - $329.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,919	$4,386	$163.37	$138.00 - $185.17
Q3 2025	113,553	$15,903	$135.17	$121.05 - $150.28
Q2 2025	147,482	$18,522	$124.60	$110.04 - $137.32
Q1 2025	132,891	$18,185	$142.96	$128.51 - $157.09
Q4 2024	72,818	$11,135	$168.67	$145.07 - $195.00
Q3 2024	76,032	$14,738	$209.21	$188.78 - $238.00
Q2 2024	22,471	$5,205	$217.32	$189.44 - $237.54
Q1 2024	26,211	$5,654	$234.20	$211.02 - $268.30
Q4 2023	36,265	$9,380	$245.62	$220.86 - $269.43
Q3 2023	34,621	$8,898	$267.47	$251.85 - $287.60
Q2 2023	33,206	$9,459	$297.86	$273.39 - $319.76
Q1 2023	24,126	$6,708	$276.70	$254.80 - $295.90
Q4 2022	60,171	$16,662	$282.44	$250.31 - $311.88
Q3 2022	54,042	$14,428	$212.38	$193.65 - $283.44
Q2 2022	28,401	$5,791	$204.43	$187.16 - $225.50
Q1 2022	17,001	$3,580	$217.46	$192.67 - $249.00
Q4 2021	17,001	$4,081	$257.12	$221.72 - $290.76
Q3 2021	30,446	$8,617	$327.75	$282.64 - $372.12
Q2 2021	37,734	$13,067	$302.94	$257.03 - $468.55
Q1 2021	28,669	$8,016	$269.69	$238.40 - $296.38
Q4 2020	45,126	$11,010	$259.08	$223.25 - $363.92
Q3 2020	104,102	$29,534	$278.91	$261.87 - $312.00
Q2 2020	143,527	$38,404	$300.59	$257.60 - $350.24
Q1 2020	77,933	$24,663	$303.47	$262.25 - $374.99
Q4 2019	147,455	$43,738	$277.46	$219.70 - $318.00
Q3 2019	181,389	$42,230	$232.85	$215.78 - $246.99
Q2 2019	197,546	$46,201	$230.90	$219.20 - $245.35
Q1 2019	233,182	$55,117	$314.89	$216.12 - $344.00
Q4 2018	742,299	$217,890	$319.14	$278.46 - $358.41
Q3 2018	890,074	$314,464	$344.30	$288.13 - $388.67
Q2 2018	830,185	$240,962	$281.15	$249.17 - $310.91
Q1 2018	734,659	$201,093	$310.41	$259.76 - $370.57
Q4 2017	735,448	$234,309	$320.80	$301.81 - $348.84
Q3 2017	1,028,427	$322,023	$296.11	$269.50 - $330.00
Q2 2017	966,054	$262,148	$264.42	$244.28 - $291.90
Q1 2017	760,672	$207,982	$282.75	$260.50 - $301.42
Q4 2016	631,708	$179,141	$296.43	$268.00 - $329.83