BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Cinctive Capital Management LP's Holding History (CIK: 0001787258)

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

Q4 2025

Shares 52,173 Value ($000) $9,182 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 65,837 Value ($000) $9,222 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 14,802 Value ($000) $1,859 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 7,894 Value ($000) $1,080 Avg Close $142.96 Range $128.51 - $157.09

Q4 2021

Shares 5,034 Value ($000) $1,208 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 4,534 Value ($000) $1,283 Avg Close $327.75 Range $282.64 - $372.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	52,173	$9,182	$163.37	$138.00 - $185.17
Q3 2025	65,837	$9,222	$135.17	$121.05 - $150.28
Q2 2025	14,802	$1,859	$124.60	$110.04 - $137.32
Q1 2025	7,894	$1,080	$142.96	$128.51 - $157.09
Q4 2021	5,034	$1,208	$257.12	$221.72 - $290.76
Q3 2021	4,534	$1,283	$327.75	$282.64 - $372.12