BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Voleon Capital Management LP's Holding History (CIK: 0001479847)

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

Q3 2025

Shares 2,253 Value ($000) $316 Avg Close $135.17 Range $121.05 - $150.28

Q2 2019

Shares 72,000 Value ($000) $16,839 Avg Close $230.90 Range $219.20 - $245.35

Q4 2018

Shares 77,000 Value ($000) $23,171 Avg Close $319.14 Range $278.46 - $358.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,253	$316	$135.17	$121.05 - $150.28
Q2 2019	72,000	$16,839	$230.90	$219.20 - $245.35
Q4 2018	77,000	$23,171	$319.14	$278.46 - $358.41