BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

US BANCORP \DE\'s Holding History (CIK: 0000036104)

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

Q4 2025

Shares 26,757 Value ($000) $4,709 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 21,433 Value ($000) $3,002 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 17,109 Value ($000) $2,149 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 25,946 Value ($000) $3,550 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 19,203 Value ($000) $2,937 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 20,214 Value ($000) $3,918 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 23,969 Value ($000) $5,556 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 17,576 Value ($000) $3,790 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 20,224 Value ($000) $5,233 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 20,904 Value ($000) $5,373 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 23,384 Value ($000) $6,661 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 24,277 Value ($000) $6,750 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 26,030 Value ($000) $7,208 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 24,288 Value ($000) $6,484 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 26,485 Value ($000) $5,402 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 30,231 Value ($000) $6,366 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 36,237 Value ($000) $8,695 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 45,830 Value ($000) $12,968 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 48,064 Value ($000) $16,643 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 58,624 Value ($000) $16,399 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 60,236 Value ($000) $14,749 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 66,561 Value ($000) $18,882 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 71,565 Value ($000) $19,148 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 75,152 Value ($000) $23,777 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 89,382 Value ($000) $26,523 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 116,168 Value ($000) $27,046 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 126,868 Value ($000) $29,670 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 161,782 Value ($000) $38,243 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 162,685 Value ($000) $48,956 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 156,114 Value ($000) $55,156 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 166,765 Value ($000) $48,401 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 165,301 Value ($000) $45,263 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 155,244 Value ($000) $49,455 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 150,538 Value ($000) $47,136 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 133,366 Value ($000) $36,189 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 126,044 Value ($000) $34,462 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 128,919 Value ($000) $36,559 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 125,531 Value ($000) $39,296 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 117,487 Value ($000) $28,410 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 88,778 Value ($000) $23,110 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 71,143 Value ($000) $21,793 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 69,067 Value ($000) $20,154 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 59,854 Value ($000) $24,177 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 55,982 Value ($000) $23,638 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 52,819 Value ($000) $17,929 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 41,588 Value ($000) $13,758 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 37,396 Value ($000) $11,793 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 32,796 Value ($000) $10,031 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 22,403 Value ($000) $6,263 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 15,178 Value ($000) $3,654 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 16,345 Value ($000) $3,518 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,757	$4,709	$163.37	$138.00 - $185.17
Q3 2025	21,433	$3,002	$135.17	$121.05 - $150.28
Q2 2025	17,109	$2,149	$124.60	$110.04 - $137.32
Q1 2025	25,946	$3,550	$142.96	$128.51 - $157.09
Q4 2024	19,203	$2,937	$168.67	$145.07 - $195.00
Q3 2024	20,214	$3,918	$209.21	$188.78 - $238.00
Q2 2024	23,969	$5,556	$217.32	$189.44 - $237.54
Q1 2024	17,576	$3,790	$234.20	$211.02 - $268.30
Q4 2023	20,224	$5,233	$245.62	$220.86 - $269.43
Q3 2023	20,904	$5,373	$267.47	$251.85 - $287.60
Q2 2023	23,384	$6,661	$297.86	$273.39 - $319.76
Q1 2023	24,277	$6,750	$276.70	$254.80 - $295.90
Q4 2022	26,030	$7,208	$282.44	$250.31 - $311.88
Q3 2022	24,288	$6,484	$212.38	$193.65 - $283.44
Q2 2022	26,485	$5,402	$204.43	$187.16 - $225.50
Q1 2022	30,231	$6,366	$217.46	$192.67 - $249.00
Q4 2021	36,237	$8,695	$257.12	$221.72 - $290.76
Q3 2021	45,830	$12,968	$327.75	$282.64 - $372.12
Q2 2021	48,064	$16,643	$302.94	$257.03 - $468.55
Q1 2021	58,624	$16,399	$269.69	$238.40 - $296.38
Q4 2020	60,236	$14,749	$259.08	$223.25 - $363.92
Q3 2020	66,561	$18,882	$278.91	$261.87 - $312.00
Q2 2020	71,565	$19,148	$300.59	$257.60 - $350.24
Q1 2020	75,152	$23,777	$303.47	$262.25 - $374.99
Q4 2019	89,382	$26,523	$277.46	$219.70 - $318.00
Q3 2019	116,168	$27,046	$232.85	$215.78 - $246.99
Q2 2019	126,868	$29,670	$230.90	$219.20 - $245.35
Q1 2019	161,782	$38,243	$314.89	$216.12 - $344.00
Q4 2018	162,685	$48,956	$319.14	$278.46 - $358.41
Q3 2018	156,114	$55,156	$344.30	$288.13 - $388.67
Q2 2018	166,765	$48,401	$281.15	$249.17 - $310.91
Q1 2018	165,301	$45,263	$310.41	$259.76 - $370.57
Q4 2017	155,244	$49,455	$320.80	$301.81 - $348.84
Q3 2017	150,538	$47,136	$296.11	$269.50 - $330.00
Q2 2017	133,366	$36,189	$264.42	$244.28 - $291.90
Q1 2017	126,044	$34,462	$282.75	$260.50 - $301.42
Q4 2016	128,919	$36,559	$296.43	$268.00 - $329.83
Q3 2016	125,531	$39,296	$296.18	$240.07 - $333.65
Q2 2016	117,487	$28,410	$263.54	$223.02 - $292.69
Q1 2016	88,778	$23,110	$264.15	$242.07 - $301.02
Q4 2015	71,143	$21,793	$287.35	$254.00 - $311.65
Q3 2015	69,067	$20,154	$330.23	$265.00 - $412.24
Q2 2015	59,854	$24,177	$401.33	$368.88 - $432.88
Q1 2015	55,982	$23,638	$394.14	$334.40 - $480.18
Q4 2014	52,819	$17,929	$323.51	$290.85 - $361.93
Q3 2014	41,588	$13,758	$329.72	$298.31 - $349.00
Q2 2014	37,396	$11,793	$300.97	$272.02 - $322.25
Q1 2014	32,796	$10,031	$317.43	$270.62 - $358.89
Q4 2013	22,403	$6,263	$258.65	$221.07 - $298.82
Q3 2013	15,178	$3,654	$223.81	$203.55 - $248.95
Q2 2013	16,345	$3,518	$213.68	$191.80 - $242.64