All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

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

Tue 1991-09-17? to Tue 2025-06-24 YTD
Return
TRR
Price
BIIB
×
−19.03%
2025-06-24
17.19 TRR
2025-06-24
Biogen Inc NASDAQ Common Stock

Returns

Tue 1991-09-17? to Tue 2025-06-24 Overall
Return
Exponential
Trendline
BIIB
×
+1,619.21%
+8.79%/yr
+16.50%/yr
(R2=0.755)
Biogen Inc NASDAQ Common Stock

Growth of $10,000

Tue 1991-09-17? to Tue 2025-06-24 Start
Value
End
Value
BIIB
×
$10,000.00
1991-09-17
$171,920.51
2025-06-24
Biogen Inc NASDAQ Common Stock

Annual Returns

Year BIIB
2025 (YTD) −19.03%
2024 −42.56%
2023 −9.58%
2022 +8.41%
2021 −8.46%
2020 −18.59%
2019 −3.59%
2018 −7.31%
2017 +10.01%
2016 −9.31%
2015 −10.41%
2014 +20.51%
2013 +88.17%
2012 +30.74%
2011 +59.40%
2010 +23.48%
2009 +9.35%
2008 −16.40%
2007 +11.16%
2006 +5.97%
2005 −34.27%
2004 +75.78%
2003 +8.61%
2002 −53.00%
2001 +7.42%
2000 +86.61%
1999 +307.08%
1998 +34.53%
1997 +42.38%
1996 +17.88%
1995 +794.72%
1994 −64.00%
1993 −36.05%
1992 −34.59%
1991 −31.14%

Drawdowns

Tue 1991-09-17? to Tue 2025-06-24 Current
Drawdown
Worst
Drawdown
BIIB
×
−80.58% −90.83%
1994-12-16
Biogen Inc NASDAQ Common Stock