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

Tue 1991-09-17? to Fri 2025-12-12	YTD Return	TRR Price
BIIB ×	+9.97% 2025-12-12	23.35 TRR 2025-12-12
Biogen Inc NASDAQ Common Stock

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Returns

Tue 1991-09-17? to Fri 2025-12-12	Overall Return	Exponential Trendline
BIIB ×	+2,235.03% +9.64%/yr	+15.97%/yr (R2=0.739)
Biogen Inc NASDAQ Common Stock

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Growth of $10,000

Tue 1991-09-17? to Fri 2025-12-12	Start Value	End Value
BIIB ×	$10,000.00 1991-09-17	$233,503.22 2025-12-12
Biogen Inc NASDAQ Common Stock

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Annual Returns

Year	BIIB
2025 (YTD)	+9.97%
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	+88.18%
2012	+30.74%
2011	+59.40%
2010	+23.47%
2009	+9.35%
2008	−16.39%
2007	+11.16%
2006	+5.96%
2005	−34.27%
2004	+75.79%
2003	+8.60%
2002	−53.00%
2001	+7.43%
2000	+86.62%
1999	+307.04%
1998	+34.54%
1997	+42.37%
1996	+17.88%
1995	+794.84%
1994	−64.01%
1993	−36.03%
1992	−34.59%
1991	−31.14%

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Drawdowns

Tue 1991-09-17? to Fri 2025-12-12	Current Drawdown	Worst Drawdown
BIIB ×	−73.62%	−90.83% 1994-12-16
Biogen Inc NASDAQ Common Stock