BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 1,775 Value ($000) $312 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 2,086 Value ($000) $292 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 1,947 Value ($000) $245 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 1,975 Value ($000) $270 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 1,791 Value ($000) $274 Avg Close $168.67 Range $145.07 - $195.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,775	$312	$163.37	$138.00 - $185.17
Q3 2025	2,086	$292	$135.17	$121.05 - $150.28
Q2 2025	1,947	$245	$124.60	$110.04 - $137.32
Q1 2025	1,975	$270	$142.96	$128.51 - $157.09
Q4 2024	1,791	$274	$168.67	$145.07 - $195.00