Biogen Idec (NQ:BIIB)
Price and Volume
Detailed Quote| Volume | 1,157,377 |
| Open | 251.68 |
| Bid (Size) | 250.00 (100) |
| Ask (Size) | 253.50 (100) |
| Prev. Close | 253.84 |
| Today's Range | 246.15 - 252.44 |
| 52wk Range | 138.00 - 254.41 |
| Shares Outstanding | 146,800,000 |
| Dividend Yield | N/A |
Top News
More News
S&P 500 Top Movers: Gainers and Losers From Today's US Session ↗
October 20, 2026
Performance
52-Week Range
1.5% below 52-week high
250.69
138.0052W Low
254.4152W High
1 Week
1.5% below 1-week high
231.041W Low
254.411W High
Biogen Idec (BIIB) traded between $138.00 and $254.41 over the past 52 weeks and last traded at $250.69, 1.5% below its 52-week high. Over the past week it ranged between $231.04 and $254.41.
Past 12 Months
+7.4%
+10.2%
+24.0%
+36.0%
+41.0%
+67.0%
1W
+$17.21
1M
+$23.16
3M
+$48.50
6M
+$66.31
YTD
+$72.87
1Y
+$100.61
BIIB was +67.0% over the past year, +36.0% over six months, +41.0% year to date, +7.4% in the last week.
12 Months vs Market
BIIB
+67.0%
DIA
+11.6%
SPY
+13.1%
QQQ
+15.4%
IWM
+11.9%
Over the past 12 months BIIB returned +67.0% versus DIA (Dow) +11.6%, SPY (S&P 500) +13.1%, QQQ (Nasdaq 100) +15.4% and IWM (Russell 2000) +11.9%.
Volume & Liquidity
1.12× 3-mo avg
Today 1,157,377
3-mo avg 1.0M
1W
1.3M
1M
1.3M
3M
1.0M
6M
1.1M
YTD
1.2M
1Y
1.4M
BIIB most recently traded 1,157,377 shares against a 3-month average daily volume of 1.0M.
More News
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Biogen (BIIB) Stock Is Up, What You Need To Know
October 12, 2026
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Topics
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October 07, 2026
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October 01, 2026
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Biogen (NASDAQ:BIIB) Q2 Earnings: Leading The Therapeutics Pack
September 24, 2026
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Topics
Artificial Intelligence
Winners And Losers Of Q2: Amgen (NASDAQ:AMGN) Vs The Rest Of The Therapeutics Stocks
September 23, 2026
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Topics
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Reflecting On Therapeutics Stocks’ Q2 Earnings: AbbVie (NYSE:ABBV)
September 21, 2026
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Topics
Artificial Intelligence
Biogen Eyes Wave of Phase III Readouts as It Expands Beyond Neuroscience ↗
September 15, 2026
Via MarketBeat
Biogen Sees Pivotal Pipeline Moment as It Expands Beyond Neurology ↗
September 12, 2026
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Thursday's session: top gainers and losers in the S&P500 index ↗
September 10, 2026
Via Chartmill
Via StockStory
Topics
Artificial Intelligence
Via StockStory
Topics
Artificial Intelligence
A Micro-Cap Biotech Just Cleared a Milestone Most Never Reach
September 08, 2026
A Micro-Cap Biotech Just Cleared a Milestone Most Never Reach
September 08, 2026
From BioMedWire
Via GlobeNewswire
Frequently Asked Questions
Is Biogen Idec publicly traded?
Yes, Biogen Idec is publicly traded.
What exchange does Biogen Idec trade on?
Biogen Idec trades on the Nasdaq Stock Market
What is the ticker symbol for Biogen Idec?
The ticker symbol for Biogen Idec is BIIB on the Nasdaq Stock Market
What is the current price of Biogen Idec?
The current price of Biogen Idec is 250.69
When was Biogen Idec last traded?
The last trade of Biogen Idec was at 10/23/26 04:00 PM ET
What is the market capitalization of Biogen Idec?
The market capitalization of Biogen Idec is 36.80B
How many shares of Biogen Idec are outstanding?
Biogen Idec has 37B shares outstanding.
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