BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Portside Wealth Group, LLC's Holding History (CIK: 0001978608)

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

Q3 2024

Shares 2,848 Value ($000) $552 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 2,797 Value ($000) $648 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 2,817 Value ($000) $607 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 3,062 Value ($000) $792 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 3,584 Value ($000) $925 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 3,542 Value ($000) $1,009 Avg Close $297.86 Range $273.39 - $319.76

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	2,848	$552	$209.21	$188.78 - $238.00
Q2 2024	2,797	$648	$217.32	$189.44 - $237.54
Q1 2024	2,817	$607	$234.20	$211.02 - $268.30
Q4 2023	3,062	$792	$245.62	$220.86 - $269.43
Q3 2023	3,584	$925	$267.47	$251.85 - $287.60
Q2 2023	3,542	$1,009	$297.86	$273.39 - $319.76