BIIB: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

Tue 1991-09-17? to Tue 2025-10-21	YTD Return	TRR Price
BIIB ×	−7.23% 2025-10-21	19.7 TRR 2025-10-21
Biogen Inc NASDAQ Common Stock

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Returns

Tue 1991-09-17? to Tue 2025-10-21	Overall Return	Exponential Trendline
BIIB ×	+1,869.82% +9.14%/yr	+16.12%/yr (R2=0.743)
Biogen Inc NASDAQ Common Stock

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Growth of $10,000

Tue 1991-09-17? to Tue 2025-10-21	Start Value	End Value
BIIB ×	$10,000.00 1991-09-17	$196,982.35 2025-10-21
Biogen Inc NASDAQ Common Stock

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Annual Returns

Year	BIIB
2025 (YTD)	−7.23%
2024	−42.56%
2023	−9.58%
2022	+8.41%
2021	−8.46%
2020	−18.59%
2019	−3.60%
2018	−7.31%
2017	+10.01%
2016	−9.31%
2015	−10.41%
2014	+20.51%
2013	+88.17%
2012	+30.74%
2011	+59.39%
2010	+23.48%
2009	+9.35%
2008	−16.39%
2007	+11.16%
2006	+5.97%
2005	−34.28%
2004	+75.79%
2003	+8.60%
2002	−53.00%
2001	+7.42%
2000	+86.60%
1999	+307.07%
1998	+34.63%
1997	+42.28%
1996	+17.87%
1995	+794.88%
1994	−64.00%
1993	−36.05%
1992	−34.59%
1991	−31.15%

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Drawdowns

Tue 1991-09-17? to Tue 2025-10-21	Current Drawdown	Worst Drawdown
BIIB ×	−77.75%	−90.83% 1994-12-16
Biogen Inc NASDAQ Common Stock