BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TWINBEECH CAPITAL LP's Holding History (CIK: 0001769646)

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

Q4 2025

Shares 2,834 Value ($000) $499 Avg Close $163.37 Range $138.00 - $185.17

Q1 2025

Shares 64,253 Value ($000) $8,792 Avg Close $142.96 Range $128.51 - $157.09

Q3 2024

Shares 61,264 Value ($000) $11,875 Avg Close $209.21 Range $188.78 - $238.00

Q1 2024

Shares 102,251 Value ($000) $22,048 Avg Close $234.20 Range $211.02 - $268.30

Q3 2023

Shares 816 Value ($000) $210 Avg Close $267.47 Range $251.85 - $287.60

Q1 2023

Shares 19,311 Value ($000) $5,369 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 20,852 Value ($000) $5,774 Avg Close $282.44 Range $250.31 - $311.88

Q2 2022

Shares 10,663 Value ($000) $2,175 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 11,297 Value ($000) $2,379 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 1,781 Value ($000) $427 Avg Close $257.12 Range $221.72 - $290.76

Q2 2020

Shares 4,009 Value ($000) $1,073 Avg Close $300.59 Range $257.60 - $350.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,834	$499	$163.37	$138.00 - $185.17
Q1 2025	64,253	$8,792	$142.96	$128.51 - $157.09
Q3 2024	61,264	$11,875	$209.21	$188.78 - $238.00
Q1 2024	102,251	$22,048	$234.20	$211.02 - $268.30
Q3 2023	816	$210	$267.47	$251.85 - $287.60
Q1 2023	19,311	$5,369	$276.70	$254.80 - $295.90
Q4 2022	20,852	$5,774	$282.44	$250.31 - $311.88
Q2 2022	10,663	$2,175	$204.43	$187.16 - $225.50
Q1 2022	11,297	$2,379	$217.46	$192.67 - $249.00
Q4 2021	1,781	$427	$257.12	$221.72 - $290.76
Q2 2020	4,009	$1,073	$300.59	$257.60 - $350.24