Biogen Idec (NQ:BIIB)

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

October 12, 2026

Via Chartmill

Performance

52-Week Range 2.2% below 52-week high

235.70

138.0052W Low 240.9952W High

1 Week 2.2% below 1-week high

219.221W Low 240.991W High

Biogen Idec (BIIB) traded between $138.00 and $240.99 over the past 52 weeks and last traded at $235.70, 2.2% below its 52-week high. Over the past week it ranged between $219.22 and $240.99.

Past 12 Months

+4.4%

+9.0%

+12.8%

+33.9%

+32.5%

+64.1%

1W +$9.99

1M +$19.53

3M +$26.78

6M +$59.68

YTD +$57.88

1Y +$92.04

BIIB was +64.1% over the past year, +33.9% over six months, +32.5% year to date, +4.4% in the last week.

12 Months vs Market

BIIB

+64.1%

DIA

+13.1%

SPY

+15.9%

QQQ

+19.6%

IWM

+9.5%

Over the past 12 months BIIB returned +64.1% versus DIA (Dow) +13.1%, SPY (S&P 500) +15.9%, QQQ (Nasdaq 100) +19.6% and IWM (Russell 2000) +9.5%.

Volume & Liquidity 0.21× 3-mo avg

Today 210,469 3-mo avg 1.0M

1.4M

1.2M

1.0M

1.1M

YTD

1.2M

1.4M

BIIB most recently traded 210,469 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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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.