BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Zimmer Partners, LP's Holding History (CIK: 0001565854)

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

Q1 2024

Shares 129,950 Value ($000) $28,021 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 116,700 Value ($000) $30,198 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 72,900 Value ($000) $18,736 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 19,600 Value ($000) $5,583 Avg Close $297.86 Range $273.39 - $319.76

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	129,950	$28,021	$234.20	$211.02 - $268.30
Q4 2023	116,700	$30,198	$245.62	$220.86 - $269.43
Q3 2023	72,900	$18,736	$267.47	$251.85 - $287.60
Q2 2023	19,600	$5,583	$297.86	$273.39 - $319.76