BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Gladstone Institutional Advisory LLC's Holding History (CIK: 0001766530)

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

Q4 2023

Shares 961 Value ($000) $249 Avg Close $245.62 Range $220.86 - $269.43

Q3 2021

Shares 1,295 Value ($000) $0 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 1,997 Value ($000) $1 Avg Close $302.94 Range $257.03 - $468.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	961	$249	$245.62	$220.86 - $269.43
Q3 2021	1,295	$0	$327.75	$282.64 - $372.12
Q2 2021	1,997	$1	$302.94	$257.03 - $468.55