BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Mount Yale Investment Advisors, LLC's Holding History (CIK: 0001744349)

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

Q2 2025

Shares 200 Value ($000) $25 Avg Close $124.60 Range $110.04 - $137.32

Q1 2023

Shares 893 Value ($000) $248 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 1,350 Value ($000) $374 Avg Close $282.44 Range $250.31 - $311.88

Q3 2018

Shares 248 Value ($000) $82 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 238 Value ($000) $69 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 238 Value ($000) $65 Avg Close $310.41 Range $259.76 - $370.57

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	200	$25	$124.60	$110.04 - $137.32
Q1 2023	893	$248	$276.70	$254.80 - $295.90
Q4 2022	1,350	$374	$282.44	$250.31 - $311.88
Q3 2018	248	$82	$344.30	$288.13 - $388.67
Q2 2018	238	$69	$281.15	$249.17 - $310.91
Q1 2018	238	$65	$310.41	$259.76 - $370.57