BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Crestwood Advisors Group LLC's Holding History (CIK: 0001426853)

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

Q4 2025

Shares 2,194 Value ($000) $386 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 1,821 Value ($000) $255 Avg Close $135.17 Range $121.05 - $150.28

Q1 2017

Shares 386 Value ($000) $105 Avg Close $282.75 Range $260.50 - $301.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,194	$386	$163.37	$138.00 - $185.17
Q3 2025	1,821	$255	$135.17	$121.05 - $150.28
Q1 2017	386	$105	$282.75	$260.50 - $301.42