BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

LANDSCAPE CAPITAL MANAGEMENT, L.L.C.'s Holding History (CIK: 0001536186)

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

Q4 2025

Shares 2,459 Value ($000) $433 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 7,122 Value ($000) $998 Avg Close $135.17 Range $121.05 - $150.28

Q1 2025

Shares 2,403 Value ($000) $329 Avg Close $142.96 Range $128.51 - $157.09

Q3 2019

Shares 3,011 Value ($000) $701 Avg Close $232.85 Range $215.78 - $246.99

Q3 2018

Shares 959 Value ($000) $339 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 2,429 Value ($000) $705 Avg Close $281.15 Range $249.17 - $310.91

Q3 2017

Shares 1,535 Value ($000) $481 Avg Close $296.11 Range $269.50 - $330.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,459	$433	$163.37	$138.00 - $185.17
Q3 2025	7,122	$998	$135.17	$121.05 - $150.28
Q1 2025	2,403	$329	$142.96	$128.51 - $157.09
Q3 2019	3,011	$701	$232.85	$215.78 - $246.99
Q3 2018	959	$339	$344.30	$288.13 - $388.67
Q2 2018	2,429	$705	$281.15	$249.17 - $310.91
Q3 2017	1,535	$481	$296.11	$269.50 - $330.00