BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Camelot Portfolios, LLC's Holding History (CIK: 0001569766)

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

Q4 2025

Shares 1,900 Value ($000) $334 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 2,100 Value ($000) $294 Avg Close $135.17 Range $121.05 - $150.28

Q1 2025

Shares 4,950 Value ($000) $677 Avg Close $142.96 Range $128.51 - $157.09

Q2 2024

Shares 1,900 Value ($000) $440 Avg Close $217.32 Range $189.44 - $237.54

Q4 2023

Shares 2,000 Value ($000) $518 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 1,100 Value ($000) $283 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 2,100 Value ($000) $598 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 1,100 Value ($000) $306 Avg Close $276.70 Range $254.80 - $295.90

Q3 2022

Shares 2,183 Value ($000) $583 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 3,805 Value ($000) $776 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 4,824 Value ($000) $1,016 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 4,629 Value ($000) $1,111 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 3,950 Value ($000) $1,118 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 4,196 Value ($000) $1,453 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 5,213 Value ($000) $1,458 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 4,940 Value ($000) $1,210 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 4,267 Value ($000) $1,210 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 4,745 Value ($000) $1,270 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 4,997 Value ($000) $1,581 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 5,349 Value ($000) $1,587 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 5,339 Value ($000) $1,243 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 5,409 Value ($000) $1,265 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 4,449 Value ($000) $1,052 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 1,687 Value ($000) $508 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 1,174 Value ($000) $415 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 1,705 Value ($000) $495 Avg Close $281.15 Range $249.17 - $310.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,900	$334	$163.37	$138.00 - $185.17
Q3 2025	2,100	$294	$135.17	$121.05 - $150.28
Q1 2025	4,950	$677	$142.96	$128.51 - $157.09
Q2 2024	1,900	$440	$217.32	$189.44 - $237.54
Q4 2023	2,000	$518	$245.62	$220.86 - $269.43
Q3 2023	1,100	$283	$267.47	$251.85 - $287.60
Q2 2023	2,100	$598	$297.86	$273.39 - $319.76
Q1 2023	1,100	$306	$276.70	$254.80 - $295.90
Q3 2022	2,183	$583	$212.38	$193.65 - $283.44
Q2 2022	3,805	$776	$204.43	$187.16 - $225.50
Q1 2022	4,824	$1,016	$217.46	$192.67 - $249.00
Q4 2021	4,629	$1,111	$257.12	$221.72 - $290.76
Q3 2021	3,950	$1,118	$327.75	$282.64 - $372.12
Q2 2021	4,196	$1,453	$302.94	$257.03 - $468.55
Q1 2021	5,213	$1,458	$269.69	$238.40 - $296.38
Q4 2020	4,940	$1,210	$259.08	$223.25 - $363.92
Q3 2020	4,267	$1,210	$278.91	$261.87 - $312.00
Q2 2020	4,745	$1,270	$300.59	$257.60 - $350.24
Q1 2020	4,997	$1,581	$303.47	$262.25 - $374.99
Q4 2019	5,349	$1,587	$277.46	$219.70 - $318.00
Q3 2019	5,339	$1,243	$232.85	$215.78 - $246.99
Q2 2019	5,409	$1,265	$230.90	$219.20 - $245.35
Q1 2019	4,449	$1,052	$314.89	$216.12 - $344.00
Q4 2018	1,687	$508	$319.14	$278.46 - $358.41
Q3 2018	1,174	$415	$344.30	$288.13 - $388.67
Q2 2018	1,705	$495	$281.15	$249.17 - $310.91