Biogen Idec (NQ:BIIB)

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

October 12, 2026

Via Chartmill

Performance

52-Week Range 2.3% below 52-week high

235.35

138.0052W Low 240.9952W High

1 Week 2.3% below 1-week high

215.731W Low 240.991W High

Biogen Idec (BIIB) traded between $138.00 and $240.99 over the past 52 weeks and last traded at $235.35, 2.3% below its 52-week high. Over the past week it ranged between $215.73 and $240.99.

Past 12 Months

+7.7%

+8.3%

+19.3%

+30.4%

+32.4%

+62.0%

1W +$16.92

1M +$17.99

3M +$38.11

6M +$54.81

YTD +$57.53

1Y +$90.04

BIIB was +62.0% over the past year, +30.4% over six months, +32.4% year to date, +7.7% in the last week.

12 Months vs Market

BIIB

+62.0%

DIA

+12.6%

SPY

+16.5%

QQQ

+21.7%

IWM

+11.0%

Over the past 12 months BIIB returned +62.0% versus DIA (Dow) +12.6%, SPY (S&P 500) +16.5%, QQQ (Nasdaq 100) +21.7% and IWM (Russell 2000) +11.0%.

Volume & Liquidity 1.54× 3-mo avg

Today 1,572,438 3-mo avg 1.0M

1.4M

1.2M

1.0M

1.1M

YTD

1.2M

1.4M

BIIB most recently traded 1,572,438 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.