BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2024

Shares 2,500 Value ($000) $539 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 4,879 Value ($000) $1,263 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 22,000 Value ($000) $5,654 Avg Close $267.47 Range $251.85 - $287.60

Q1 2023

Shares 8,610 Value ($000) $2,394 Avg Close $276.70 Range $254.80 - $295.90

Q3 2022

Shares 5,950 Value ($000) $1,589,000 Avg Close $212.38 Range $193.65 - $283.44

Q2 2013

Shares 36,000 Value ($000) $7,747,000 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	2,500	$539	$234.20	$211.02 - $268.30
Q4 2023	4,879	$1,263	$245.62	$220.86 - $269.43
Q3 2023	22,000	$5,654	$267.47	$251.85 - $287.60
Q1 2023	8,610	$2,394	$276.70	$254.80 - $295.90
Q3 2022	5,950	$1,589,000	$212.38	$193.65 - $283.44
Q2 2013	36,000	$7,747,000	$213.68	$191.80 - $242.64