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Biogen Idec (NQ:BIIB)

150.08 +2.36 (+1.60%)
Streaming Delayed Price Updated: 4:00 PM EDT, Oct 23, 2025 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 1,230,737
Open 148.99
Bid (Size) 146.00 (1)
Ask (Size) 150.08 (2)
Prev. Close 147.72
Today's Range 147.57 - 150.29
52wk Range 110.03 - 187.58
Shares Outstanding 145,800,000
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
Biogen to Present Additional Results from Phase 3 Study of Dapirolizumab Pegol in Systemic Lupus Erythematosus at ACR Convergence 2025
From Biogen Inc.
Via GlobeNewswire
ARPA-H Taps Former DARPA Innovator to Ignite High-Risk, High-Reward Health Tech Revolution
In a move poised to reshape the landscape of biomedical innovation, the United States government officially appointed Dr. Renee Wegrzyn, a distinguished former official from the Defense Advanced... 
Via TokenRing AI
Topics Artificial Intelligence Intellectual Property

Performance

YTD
+0.1%
+0.1%
1 Month
+6.7%
+6.7%
3 Month
+14.6%
+14.6%
6 Month
+27.0%
+27.0%
1 Year
-19.3%
-19.3%

More News

Read More
J.L. Bainbridge Exits Most of Biogen Stake as Biotech Stock Eyes Turnaround
Via The Motley Fool
Small-Cap Biotech Climb Bio's Lead Drug Candidate Has Larger Long-Term Opportunity
Via Benzinga
3 Reasons BIIB is Risky and 1 Stock to Buy Instead
Via StockStory
Topics Government Stocks World Trade
1 Healthcare Stock to Research Further and 2 We Find Risky
Via StockStory
Topics Stocks
LEQEMBI® IQLIK™(lecanemab-irmb) Subcutaneous Autoinjector Named to TIME’s “Best Inventions of 2025”
From Biogen Inc.
Via GlobeNewswire
Reflecting On Therapeutics Stocks’ Q2 Earnings: Amgen (NASDAQ:AMGN)
Via StockStory
Topics Artificial Intelligence
UnitedHealth, Brookdale, Collegium Pharmaceutical, QuidelOrtho, and Biogen Shares Are Falling, What You Need To Know
Via StockStory
Topics Economy Government World Trade
7 Analysts Have This To Say About Biogen
Via Benzinga
Stoke Therapeutics and Biogen Present New Data at the 54th Child Neurology Society (CNS) Annual Meeting that Support the Potential of Zorevunersen as a Disease-Modifying Medicine for Dravet Syndrome
From Stoke Therapeutics, Inc.
Via Business Wire
Biogen and Stoke Therapeutics Present New Data at the 54th Child Neurology Society (CNS) Annual Meeting that Support the Potential of Zorevunersen as a Disease-Modifying Medicine for Dravet Syndrome
From Biogen Inc.
Via GlobeNewswire
1 Value Stock with Promising Prospects and 2 We Avoid
Via StockStory
Ionis Pharmaceuticals (NASDAQ:IONS) Ascends to Six-Year High, Fueled by Breakthrough Pipeline and Robust Sales Outlook
Via MarketMinute
Eisai and Biogen Announce U.S. Availability of LEQEMBI® IQLIK™ (lecanemab-irmb) Subcutaneous Injection Maintenance Dose for Treatment of Early Alzheimer’s Disease
From Biogen Inc.
Via GlobeNewswire
Which S&P500 stocks are moving on Monday?
Via Chartmill
Nasdaq 100 Top 25,000 As AMD Spikes, Gold Eyes $4,000: What's Moving Markets Monday?
Via Benzinga
Monday's session: top gainers and losers in the S&P500 index
Via Chartmill
Breakthrough in Alzheimer’s Diagnostics: University of Liverpool Unveils Low-Cost, Handheld AI Blood Test
Via TokenRing AI
Topics Artificial Intelligence
Which S&P500 stocks are gapping on Monday?
Via Chartmill
Decoding Life's Blueprint: New Tech Maps RNA-Protein Interactions, Unlocking Disease Cures
Via MarketMinute
Topics Artificial Intelligence Derivatives
3 Low-Volatility Stocks That Concern Us
Via StockStory
A Look Back at Therapeutics Stocks’ Q2 Earnings: Myriad Genetics (NASDAQ:MYGN) Vs The Rest Of The Pack
Via StockStory
Topics Artificial Intelligence
Biogen Soars 9.02% on Groundbreaking Alzheimer's Drug Advancements: A New Era for Dementia Treatment Dawns
Via MarketMinute
Trump-Pfizer Deal Pushes Health Care Stocks To Best Rally In 5 Years
Via Benzinga
Topics Government

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 150.08
When was Biogen Idec last traded?
The last trade of Biogen Idec was at 10/23/25 04:00 PM ET
What is the market capitalization of Biogen Idec?
The market capitalization of Biogen Idec is 21.88B
How many shares of Biogen Idec are outstanding?
Biogen Idec has 22B shares outstanding.
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