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Biogen Inc. (BIIB)

Equity · Currency in USD · Last updated Mar 24, 2023

Share Price Chart

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The chart shows the growth of $10,000 invested in Biogen Inc. in Oct 2022 and compares it to the S&P 500 index or another benchmark. It would be worth nearly $921,241 for a total return of roughly 9,112.41%. All prices are adjusted for splits and dividends.

BIIB (Biogen Inc.)
Benchmark (^GSPC)

S&P 500

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Biogen Inc.

Popular comparisons: BIIB vs. SPY, BIIB vs. BMY


Biogen Inc. had a return of -4.24% year-to-date (YTD) and 25.72% in the last 12 months. Over the past 10 years, Biogen Inc. had an annualized return of 4.93%, while the S&P 500 had an annualized return of 9.76%, indicating that Biogen Inc. did not perform as well as the benchmark.

1 month-4.75%-3.20%
6 months33.02%4.19%
1 year25.72%-12.48%
5 years (annualized)0.39%8.83%
10 years (annualized)4.93%9.76%

Monthly Returns Heatmap


Sharpe Ratio Chart

The Sharpe ratio shows whether the portfolio's excess returns are due to smart investment decisions or a result of taking a higher risk. The higher a portfolio's Sharpe ratio, the better its risk-adjusted performance.

The current Biogen Inc. Sharpe ratio is 0.52. A Sharpe ratio between 0 and 1.0 is considered sub-optimal.

The chart below displays rolling 12-month Sharpe Ratio.

BIIB (Biogen Inc.)
Benchmark (^GSPC)

Dividend History

Biogen Inc. doesn't pay dividends

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way.

BIIB (Biogen Inc.)
Benchmark (^GSPC)

Worst Drawdowns

The table below shows the maximum drawdowns of the Biogen Inc.. A maximum drawdown is an indicator of risk. It shows a reduction in portfolio value from its maximum due to a series of losing trades.

The maximum drawdown since January 2010 for the Biogen Inc. is 90.00%, recorded on Dec 16, 1994. It took 258 trading sessions for the portfolio to recover.



To Bottom


To Recover



-90%Oct 17, 1991800Dec 16, 1994258Dec 26, 19951058
-66.51%Mar 7, 200034Apr 24, 2000109Sep 27, 2000143
-62.59%Dec 19, 2000555Mar 11, 20031156Oct 15, 20071711
-61.96%Oct 8, 1997227Sep 1, 199876Dec 18, 1998303
-57.22%Mar 23, 20151797May 9, 2022
-52.71%Oct 16, 2007285Dec 1, 2008598Apr 15, 2011883
-51.45%May 21, 199645Jul 24, 1996279Aug 29, 1997324
-35.14%Aug 24, 199939Oct 18, 199928Nov 26, 199967
-30.79%Nov 9, 20008Nov 20, 200019Dec 18, 200027
-30.2%Jan 24, 20009Feb 3, 200020Mar 3, 200029

Volatility Chart

Current Biogen Inc. volatility is 20.01%. The chart below shows the rolling 10-day volatility. Volatility is a statistical measure showing how big price swings are in either direction. The higher asset volatility, the riskier it is, because the price movements are less predictable.

BIIB (Biogen Inc.)
Benchmark (^GSPC)