BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2025

Shares 11,959 Value ($000) $2,105 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 10,116 Value ($000) $1,417 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 8,871 Value ($000) $1,114 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 11,697 Value ($000) $1,601 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 8,385 Value ($000) $1,282 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 11,432 Value ($000) $2,204 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 13,767 Value ($000) $3,164 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 14,040 Value ($000) $3,022 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 13,731 Value ($000) $3,572 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 12,762 Value ($000) $3,297 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 17,554 Value ($000) $4,984 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 17,584 Value ($000) $4,897 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 25,907 Value ($000) $7,173 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 19,891 Value ($000) $5,312 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 31,488 Value ($000) $6,423 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 12,061 Value ($000) $2,542 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 14,074 Value ($000) $3,359 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 19,345 Value ($000) $5,481 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 18,960 Value ($000) $6,565 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 38,360 Value ($000) $10,765 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 38,484 Value ($000) $9,366 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 25,689 Value ($000) $7,318 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 19,666 Value ($000) $5,273 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 22,960 Value ($000) $7,243 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 24,854 Value ($000) $7,386 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 23,807 Value ($000) $5,522 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 17,892 Value ($000) $4,188 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 31,958 Value ($000) $7,562 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 36,631 Value ($000) $11,042 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 33,321 Value ($000) $11,747 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 32,458 Value ($000) $9,416 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 14,092 Value ($000) $3,856 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 23,029 Value ($000) $7,325 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 31,434 Value ($000) $9,840 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 29,196 Value ($000) $7,920 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 32,087 Value ($000) $8,763 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 25,552 Value ($000) $7,264 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 24,985 Value ($000) $7,805 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 16,381 Value ($000) $3,947 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 20,344 Value ($000) $5,276 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 20,977 Value ($000) $6,421 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 12,084 Value ($000) $3,527 Avg Close $330.23 Range $265.00 - $412.24

Q1 2015

Shares 7,850 Value ($000) $3,315 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 7,436 Value ($000) $2,524 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 7,455 Value ($000) $2,466 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 9,946 Value ($000) $3,136 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 9,759 Value ($000) $2,985 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 10,624 Value ($000) $2,970 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 5,696 Value ($000) $1,371 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 6,303 Value ($000) $1,356 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,959	$2,105	$163.37	$138.00 - $185.17
Q3 2025	10,116	$1,417	$135.17	$121.05 - $150.28
Q2 2025	8,871	$1,114	$124.60	$110.04 - $137.32
Q1 2025	11,697	$1,601	$142.96	$128.51 - $157.09
Q4 2024	8,385	$1,282	$168.67	$145.07 - $195.00
Q3 2024	11,432	$2,204	$209.21	$188.78 - $238.00
Q2 2024	13,767	$3,164	$217.32	$189.44 - $237.54
Q1 2024	14,040	$3,022	$234.20	$211.02 - $268.30
Q4 2023	13,731	$3,572	$245.62	$220.86 - $269.43
Q3 2023	12,762	$3,297	$267.47	$251.85 - $287.60
Q2 2023	17,554	$4,984	$297.86	$273.39 - $319.76
Q1 2023	17,584	$4,897	$276.70	$254.80 - $295.90
Q4 2022	25,907	$7,173	$282.44	$250.31 - $311.88
Q3 2022	19,891	$5,312	$212.38	$193.65 - $283.44
Q2 2022	31,488	$6,423	$204.43	$187.16 - $225.50
Q1 2022	12,061	$2,542	$217.46	$192.67 - $249.00
Q4 2021	14,074	$3,359	$257.12	$221.72 - $290.76
Q3 2021	19,345	$5,481	$327.75	$282.64 - $372.12
Q2 2021	18,960	$6,565	$302.94	$257.03 - $468.55
Q1 2021	38,360	$10,765	$269.69	$238.40 - $296.38
Q4 2020	38,484	$9,366	$259.08	$223.25 - $363.92
Q3 2020	25,689	$7,318	$278.91	$261.87 - $312.00
Q2 2020	19,666	$5,273	$300.59	$257.60 - $350.24
Q1 2020	22,960	$7,243	$303.47	$262.25 - $374.99
Q4 2019	24,854	$7,386	$277.46	$219.70 - $318.00
Q3 2019	23,807	$5,522	$232.85	$215.78 - $246.99
Q2 2019	17,892	$4,188	$230.90	$219.20 - $245.35
Q1 2019	31,958	$7,562	$314.89	$216.12 - $344.00
Q4 2018	36,631	$11,042	$319.14	$278.46 - $358.41
Q3 2018	33,321	$11,747	$344.30	$288.13 - $388.67
Q2 2018	32,458	$9,416	$281.15	$249.17 - $310.91
Q1 2018	14,092	$3,856	$310.41	$259.76 - $370.57
Q4 2017	23,029	$7,325	$320.80	$301.81 - $348.84
Q3 2017	31,434	$9,840	$296.11	$269.50 - $330.00
Q2 2017	29,196	$7,920	$264.42	$244.28 - $291.90
Q1 2017	32,087	$8,763	$282.75	$260.50 - $301.42
Q4 2016	25,552	$7,264	$296.43	$268.00 - $329.83
Q3 2016	24,985	$7,805	$296.18	$240.07 - $333.65
Q2 2016	16,381	$3,947	$263.54	$223.02 - $292.69
Q1 2016	20,344	$5,276	$264.15	$242.07 - $301.02
Q4 2015	20,977	$6,421	$287.35	$254.00 - $311.65
Q3 2015	12,084	$3,527	$330.23	$265.00 - $412.24
Q1 2015	7,850	$3,315	$394.14	$334.40 - $480.18
Q4 2014	7,436	$2,524	$323.51	$290.85 - $361.93
Q3 2014	7,455	$2,466	$329.72	$298.31 - $349.00
Q2 2014	9,946	$3,136	$300.97	$272.02 - $322.25
Q1 2014	9,759	$2,985	$317.43	$270.62 - $358.89
Q4 2013	10,624	$2,970	$258.65	$221.07 - $298.82
Q3 2013	5,696	$1,371	$223.81	$203.55 - $248.95
Q2 2013	6,303	$1,356	$213.68	$191.80 - $242.64