BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

CAPITAL PERFORMANCE ADVISORS LLP's Holding History (CIK: 0001905663)

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

Q4 2025

Shares 1,547 Value ($000) $272 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 1,545 Value ($000) $216 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 1,779 Value ($000) $223 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 1,495 Value ($000) $205 Avg Close $142.96 Range $128.51 - $157.09

Q3 2024

Shares 20 Value ($000) $4 Avg Close $209.21 Range $188.78 - $238.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,547	$272	$163.37	$138.00 - $185.17
Q3 2025	1,545	$216	$135.17	$121.05 - $150.28
Q2 2025	1,779	$223	$124.60	$110.04 - $137.32
Q1 2025	1,495	$205	$142.96	$128.51 - $157.09
Q3 2024	20	$4	$209.21	$188.78 - $238.00