Biogen Idec (NQ:BIIB)

Discover which S&P500 stocks are making waves on Monday. ↗

October 12, 2026

Via Chartmill

Performance

52-Week Range 3.5% below 52-week high

232.65

138.0052W Low 240.9952W High

1 Week 3.5% below 1-week high

226.711W Low 240.991W High

Biogen Idec (BIIB) traded between $138.00 and $240.99 over the past 52 weeks and last traded at $232.65, 3.5% below its 52-week high. Over the past week it ranged between $226.71 and $240.99.

Past 12 Months

+1.4%

+7.7%

+12.9%

+31.2%

+30.8%

+63.5%

1W +$3.24

1M +$16.64

3M +$26.66

6M +$55.30

YTD +$54.83

1Y +$90.39

BIIB was +63.5% over the past year, +31.2% over six months, +30.8% year to date, +1.4% in the last week.

12 Months vs Market

BIIB

+63.5%

DIA

+13.0%

SPY

+15.5%

QQQ

+18.3%

IWM

+10.4%

Over the past 12 months BIIB returned +63.5% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.5%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +10.4%.

Volume & Liquidity 1.46× 3-mo avg

Today 1,463,210 3-mo avg 1.0M

1.5M

1.3M

1.0M

1.1M

YTD

1.2M

1.4M

BIIB most recently traded 1,463,210 shares against a 3-month average daily volume of 1.0M.

More News

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September 17, 2026

From Biogen Inc.

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From BioMedWire

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Stoke Therapeutics and Biogen Present Long-Term Clinical Data that Support the Disease-Modifying Potential of Zorevunersen, an Investigational Medicine for the Treatment of Dravet Syndrome, at the 16th European Epilepsy Congress (EEC)

September 03, 2026

From Biogen Inc.