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Biogen Idec
(NQ:
BIIB
)
215.86
-5.70 (-2.57%)
Streaming Delayed Price
Updated: 2:36 PM EDT, Aug 20, 2026
Add to My Watchlist
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Price and Volume
Detailed Quote
Volume
338,838
Open
217.98
Bid (Size)
215.75 (100)
Ask (Size)
216.06 (300)
Prev. Close
221.56
Today's Range
215.86 - 221.29
52wk Range
131.52 - 222.15
Shares Outstanding
146,800,000
Dividend Yield
N/A
Intraday
1 Week
1 Month
3 Month
1 Year
3 Year
5 Year
Top News
More News
Therapeutics Stocks Q2 Results: Benchmarking BioMarin Pharmaceutical (NASDAQ:BMRN)
August 19, 2026
As the craze of earnings season draws to a close, here’s a look back at some of the most exciting (and some less so) results from Q2. Today, we are looking a...
Via
StockStory
Topics
Artificial Intelligence
Biogen (NASDAQ:BIIB) Shows Strong Technical Breakout Setup With Perfect Trend Rating
↗
August 17, 2026
Via
Chartmill
Performance
YTD
+21.4%
+21.4%
1 Month
+8.0%
+8.0%
3 Month
+14.9%
+14.9%
6 Month
+11.2%
+11.2%
1 Year
+55.5%
+55.5%
More News
Read More
Biogen (BIIB) Q2 2026 Earnings Call Transcript
↗
August 07, 2026
Via
The Motley Fool
Topics
Earnings
Biogen Completes Acquisition of RayThera Inc.
August 06, 2026
From
Biogen Inc.
Via
GlobeNewswire
These S&P500 stocks have an unusual volume in today's session
↗
July 14, 2026
Via
Chartmill
The 5 Most Interesting Analyst Questions From Biogen’s Q2 Earnings Call
August 05, 2026
Via
StockStory
Topics
Earnings
Why Supernus Pharmaceuticals Stock Topped the Market Today
↗
August 03, 2026
Via
The Motley Fool
BIIB Q2 Deep Dive: Portfolio Expansion and Pipeline Readouts Drive Upbeat Outlook
July 30, 2026
Via
StockStory
Why Biogen Stock Topped the Market Today
↗
July 29, 2026
Via
The Motley Fool
Biogen Q2 Earnings Call Highlights
↗
July 29, 2026
Via
MarketBeat
Topics
Earnings
Biogen (NASDAQ:BIIB) Reports Upbeat Q2 CY2026
July 29, 2026
Via
StockStory
Biogen (BIIB) Reports Q2: Everything You Need To Know Ahead Of Earnings
July 27, 2026
Via
StockStory
Topics
Artificial Intelligence
3 Profitable Stocks We Steer Clear Of
July 21, 2026
Via
StockStory
Biogen Appoints Michael J. Parini as Chief Legal Officer
July 15, 2026
From
Biogen Inc.
Via
GlobeNewswire
3 Reasons to Avoid BIIB and 1 Stock to Buy Instead
July 15, 2026
Via
StockStory
Topics
Stocks
Discover which S&P500 stocks are making waves on Tuesday.
↗
July 14, 2026
Via
Chartmill
Biogen Backs Alzheimer’s Tau Drug for Phase 3 Despite Trial Miss
↗
July 14, 2026
Via
MarketBeat
These S&P500 stocks are moving in today's session
↗
July 14, 2026
Via
Chartmill
What's going on in today's session: S&P500 gap up and gap down stocks
↗
July 14, 2026
Via
Chartmill
Biogen Presents Phase 2 CELIA Data at AAIC Demonstrating Meaningful Clinical Outcomes and Robust Tau Reduction with Diranersen in Early Alzheimer’s Disease
July 14, 2026
From
Biogen Inc.
Via
GlobeNewswire
1 Mid-Cap Stock to Target This Week and 2 We Find Risky
July 14, 2026
Via
StockStory
Stock Market Today, July 13: Energy Stocks Cushion Dow as Tech Slides on Geopolitical Tensions
↗
July 13, 2026
Via
The Motley Fool
Topics
Economy
Stocks
1 Healthcare Stock with Solid Fundamentals and 2 We Brush Off
July 10, 2026
Via
StockStory
2 Fast-Growing Pharmaceutical Stocks to Buy Now
↗
July 08, 2026
Via
The Motley Fool
Biogen Is Paying $1 Billion for a Company That Won't Say What It Makes. Here's Why That's Actually Good News for BIIB Investors.
↗
July 04, 2026
Via
The Motley Fool
Topics
Intellectual Property
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 215.86
When was Biogen Idec last traded?
The last trade of Biogen Idec was at 08/20/26 02:36 PM ET
What is the market capitalization of Biogen Idec?
The market capitalization of Biogen Idec is 31.69B
How many shares of Biogen Idec are outstanding?
Biogen Idec has 32B shares outstanding.
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