BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DCF Advisers, LLC's Holding History (CIK: 0001802493)

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

Q2 2024

Shares 1,000 Value ($000) $232 Avg Close $217.32 Range $189.44 - $237.54

Q1 2023

Shares 4,900 Value ($000) $1,362 Avg Close $276.70 Range $254.80 - $295.90

Q3 2021

Shares 2,000 Value ($000) $566 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 1,000 Value ($000) $346 Avg Close $302.94 Range $257.03 - $468.55

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	1,000	$232	$217.32	$189.44 - $237.54
Q1 2023	4,900	$1,362	$276.70	$254.80 - $295.90
Q3 2021	2,000	$566	$327.75	$282.64 - $372.12
Q2 2021	1,000	$346	$302.94	$257.03 - $468.55