BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SHERBROOKE PARK ADVISERS LLC's Holding History (CIK: 0001965377)

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

Q2 2025

Shares 2,512 Value ($000) $315 Avg Close $124.60 Range $110.04 - $137.32

Q4 2024

Shares 4,464 Value ($000) $683 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 2,550 Value ($000) $494 Avg Close $209.21 Range $188.78 - $238.00

Q1 2024

Shares 4,346 Value ($000) $937 Avg Close $234.20 Range $211.02 - $268.30

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2,512	$315	$124.60	$110.04 - $137.32
Q4 2024	4,464	$683	$168.67	$145.07 - $195.00
Q3 2024	2,550	$494	$209.21	$188.78 - $238.00
Q1 2024	4,346	$937	$234.20	$211.02 - $268.30