BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Maven Securities LTD's Holding History (CIK: 0001633046)

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

Q4 2025

Shares 13,069 Value ($000) $2,300 Avg Close $163.37 Range $138.00 - $185.17

Q2 2025

Shares 2,404 Value ($000) $302 Avg Close $124.60 Range $110.04 - $137.32

Q4 2023

Shares 1,709 Value ($000) $442 Avg Close $245.62 Range $220.86 - $269.43

Q4 2021

Shares 8,350 Value ($000) $2,003 Avg Close $257.12 Range $221.72 - $290.76

Q1 2021

Shares 3,495 Value ($000) $968 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 898 Value ($000) $220 Avg Close $259.08 Range $223.25 - $363.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,069	$2,300	$163.37	$138.00 - $185.17
Q2 2025	2,404	$302	$124.60	$110.04 - $137.32
Q4 2023	1,709	$442	$245.62	$220.86 - $269.43
Q4 2021	8,350	$2,003	$257.12	$221.72 - $290.76
Q1 2021	3,495	$968	$269.69	$238.40 - $296.38
Q4 2020	898	$220	$259.08	$223.25 - $363.92