BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Orion Investment Co's Holding History (CIK: 0002033920)

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

Q4 2025

Shares 39,404 Value ($000) $6,935 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 39,429 Value ($000) $5,523 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 32,901 Value ($000) $4,132 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 31,652 Value ($000) $4,331 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 31,721 Value ($000) $4,851 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 32,555 Value ($000) $6,310 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 32,643 Value ($000) $7,567 Avg Close $217.32 Range $189.44 - $237.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,404	$6,935	$163.37	$138.00 - $185.17
Q3 2025	39,429	$5,523	$135.17	$121.05 - $150.28
Q2 2025	32,901	$4,132	$124.60	$110.04 - $137.32
Q1 2025	31,652	$4,331	$142.96	$128.51 - $157.09
Q4 2024	31,721	$4,851	$168.67	$145.07 - $195.00
Q3 2024	32,555	$6,310	$209.21	$188.78 - $238.00
Q2 2024	32,643	$7,567	$217.32	$189.44 - $237.54