BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

J. L. Bainbridge & Co., Inc.'s Holding History (CIK: 0001742315)

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

Q3 2025

Shares 2,969 Value ($000) $416 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 122,345 Value ($000) $15,365 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 124,522 Value ($000) $17,040 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 97,983 Value ($000) $14,984 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 121,142 Value ($000) $23,482 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 60,604 Value ($000) $14,049 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 50,018 Value ($000) $10,785 Avg Close $234.20 Range $211.02 - $268.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,969	$416	$135.17	$121.05 - $150.28
Q2 2025	122,345	$15,365	$124.60	$110.04 - $137.32
Q1 2025	124,522	$17,040	$142.96	$128.51 - $157.09
Q4 2024	97,983	$14,984	$168.67	$145.07 - $195.00
Q3 2024	121,142	$23,482	$209.21	$188.78 - $238.00
Q2 2024	60,604	$14,049	$217.32	$189.44 - $237.54
Q1 2024	50,018	$10,785	$234.20	$211.02 - $268.30