BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Carmignac Gestion's Holding History (CIK: 0001569758)

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

Q4 2023

Shares 361,395 Value ($000) $93,518 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 309,100 Value ($000) $79,442 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 310,100 Value ($000) $88,331 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 310,100 Value ($000) $86,216 Avg Close $276.70 Range $254.80 - $295.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	361,395	$93,518	$245.62	$220.86 - $269.43
Q3 2023	309,100	$79,442	$267.47	$251.85 - $287.60
Q2 2023	310,100	$88,331	$297.86	$273.39 - $319.76
Q1 2023	310,100	$86,216	$276.70	$254.80 - $295.90