BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

JACKSON SQUARE CAPITAL, LLC's Holding History (CIK: 0001812178)

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

Q3 2020

Shares 10 Value ($000) $3 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 10 Value ($000) $3 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 13 Value ($000) $4 Avg Close $303.47 Range $262.25 - $374.99

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	10	$3	$278.91	$261.87 - $312.00
Q2 2020	10	$3	$300.59	$257.60 - $350.24
Q1 2020	13	$4	$303.47	$262.25 - $374.99