BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Quarry LP's Holding History (CIK: 0001965207)

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

Q2 2025

Shares 2,681 Value ($000) $337 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 3,755 Value ($000) $514 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 3,005 Value ($000) $460 Avg Close $168.67 Range $145.07 - $195.00

Q2 2024

Shares 9 Value ($000) $2 Avg Close $217.32 Range $189.44 - $237.54

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2,681	$337	$124.60	$110.04 - $137.32
Q1 2025	3,755	$514	$142.96	$128.51 - $157.09
Q4 2024	3,005	$460	$168.67	$145.07 - $195.00
Q2 2024	9	$2	$217.32	$189.44 - $237.54