Biogen Idec (NQ:BIIB)
Price and Volume
Detailed Quote| Volume | 1,221,067 |
| Open | 255.25 |
| Bid (Size) | 240.87 (100) |
| Ask (Size) | 257.50 (300) |
| Prev. Close | 254.46 |
| Today's Range | 243.65 - 255.70 |
| 52wk Range | 148.51 - 258.78 |
| Shares Outstanding | 146,800,000 |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
5.7% below 52-week high
243.93
148.5152W Low
258.7852W High
1 Week
5.7% below 1-week high
243.651W Low
258.731W High
Biogen Idec (BIIB) traded between $148.51 and $258.78 over the past 52 weeks and last traded at $243.93, 5.7% below its 52-week high. Over the past week it ranged between $243.65 and $258.73.
Past 12 Months
1W
-$9.69
1M
+$21.04
3M
+$37.65
6M
+$52.55
YTD
+$66.11
1Y
+$90.50
BIIB was +59.0% over the past year, +27.5% over six months, +37.2% year to date, -3.8% in the last week.
12 Months vs Market
BIIB
+59.0%
DIA
+8.7%
SPY
+8.2%
QQQ
+3.8%
IWM
+10.7%
Over the past 12 months BIIB returned +59.0% versus DIA (Dow) +8.7%, SPY (S&P 500) +8.2%, QQQ (Nasdaq 100) +3.8% and IWM (Russell 2000) +10.7%.
Volume & Liquidity
1.16× 3-mo avg
Today 1,221,067
3-mo avg 1.1M
1W
1.2M
1M
1.3M
3M
1.1M
6M
1.2M
YTD
1.2M
1Y
1.4M
BIIB most recently traded 1,221,067 shares against a 3-month average daily volume of 1.1M.
More News
Read More
Biogen (BIIB) Q3 2026 Earnings Call Transcript ↗
October 28, 2026
Biogen (NASDAQ:BIIB) delivers impressive Q3 2026
October 28, 2026
Biogen earnings: what to look for from BIIB
October 26, 2026
S&P 500 Top Movers: Gainers and Losers From Today's US Session ↗
October 20, 2026
Discover which S&P500 stocks are making waves on Monday. ↗
October 12, 2026
Biogen (BIIB) Stock Is Up, What You Need To Know
October 12, 2026
2 Surging Stocks for Long-Term Investors and 1 We Brush Off
October 12, 2026
Therapeutics Stocks Q2 Highlights: Gilead Sciences (NASDAQ:GILD)
October 07, 2026
1 Profitable Stock Worth Investigating and 2 We Ignore
October 01, 2026
Biogen (NASDAQ:BIIB) Q2 Earnings: Leading The Therapeutics Pack
September 24, 2026
Reflecting On Therapeutics Stocks’ Q2 Earnings: AbbVie (NYSE:ABBV)
September 21, 2026
Biogen Eyes Wave of Phase III Readouts as It Expands Beyond Neuroscience ↗
September 15, 2026
Biogen Sees Pivotal Pipeline Moment as It Expands Beyond Neurology ↗
September 12, 2026
Thursday's session: top gainers and losers in the S&P500 index ↗
September 10, 2026
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 243.93
When was Biogen Idec last traded?
The last trade of Biogen Idec was at 11/05/26 04:00 PM ET
What is the market capitalization of Biogen Idec?
The market capitalization of Biogen Idec is 35.81B
How many shares of Biogen Idec are outstanding?
Biogen Idec has 36B shares outstanding.
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