BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

LGT Fund Management Co Ltd.'s Holding History (CIK: 0001911284)

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

Q4 2025

Shares 1,349 Value ($000) $238 Avg Close $163.37 Range $138.00 - $185.17

Q1 2025

Shares 1,744 Value ($000) $239 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 1,744 Value ($000) $267 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 1,744 Value ($000) $329 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 1,674 Value ($000) $388 Avg Close $217.32 Range $189.44 - $237.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,349	$238	$163.37	$138.00 - $185.17
Q1 2025	1,744	$239	$142.96	$128.51 - $157.09
Q4 2024	1,744	$267	$168.67	$145.07 - $195.00
Q3 2024	1,744	$329	$209.21	$188.78 - $238.00
Q2 2024	1,674	$388	$217.32	$189.44 - $237.54