BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Sofinnova Investments, Inc.'s Holding History (CIK: 0001631134)

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

Q1 2023

Shares 132,600 Value ($000) $36,867 Avg Close $276.70 Range $254.80 - $295.90

Q3 2021

Shares 33,220 Value ($000) $9,401 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 110,600 Value ($000) $38,297 Avg Close $302.94 Range $257.03 - $468.55

Q1 2020

Shares 52,628 Value ($000) $16,650 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 63,711 Value ($000) $18,904 Avg Close $277.46 Range $219.70 - $318.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	132,600	$36,867	$276.70	$254.80 - $295.90
Q3 2021	33,220	$9,401	$327.75	$282.64 - $372.12
Q2 2021	110,600	$38,297	$302.94	$257.03 - $468.55
Q1 2020	52,628	$16,650	$303.47	$262.25 - $374.99
Q4 2019	63,711	$18,904	$277.46	$219.70 - $318.00