Biogen Idec (NQ:BIIB)
Price and Volume
Detailed Quote| Volume | 815,009 |
| Open | 220.62 |
| Bid (Size) | 220.38 (100) |
| Ask (Size) | 228.00 (100) |
| Prev. Close | 218.43 |
| Today's Range | 219.22 - 227.20 |
| 52wk Range | 138.00 - 230.49 |
| Shares Outstanding | 146,800,000 |
| Dividend Yield | N/A |
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Performance
52-Week Range
2.1% below 52-week high
225.71
138.0052W Low
230.4952W High
1 Week
1.0% below 1-week high
215.731W Low
228.001W High
Biogen Idec (BIIB) traded between $138.00 and $230.49 over the past 52 weeks and last traded at $225.71, 2.1% below its 52-week high. Over the past week it ranged between $215.73 and $228.00.
Past 12 Months
1W
+$2.12
1M
+$14.98
3M
+$26.56
6M
+$52.74
YTD
+$47.89
1Y
+$76.10
BIIB was +50.9% over the past year, +30.5% over six months, +26.9% year to date, +0.9% in the last week.
12 Months vs Market
BIIB
+50.9%
DIA
+11.4%
SPY
+16.0%
QQQ
+23.0%
IWM
+13.8%
Over the past 12 months BIIB returned +50.9% versus DIA (Dow) +11.4%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +23.0% and IWM (Russell 2000) +13.8%.
Volume & Liquidity
0.77× 3-mo avg
Today 815,009
3-mo avg 1.1M
1W
1.1M
1M
1.1M
3M
1.1M
6M
1.1M
YTD
1.2M
1Y
1.4M
BIIB most recently traded 815,009 shares against a 3-month average daily volume of 1.1M.
More News
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September 10, 2026
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September 07, 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 225.71
When was Biogen Idec last traded?
The last trade of Biogen Idec was at 10/09/26 04:00 PM ET
What is the market capitalization of Biogen Idec?
The market capitalization of Biogen Idec is 33.13B
How many shares of Biogen Idec are outstanding?
Biogen Idec has 33B shares outstanding.
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