NASDAQ:KRRO Korro Bio (KRRO) Stock Price, News & Analysis $9.64 -0.07 (-0.72%) Closing price 10/2/2026 04:00 PM EasternExtended Trading$9.67 +0.03 (+0.27%) As of 10/2/2026 07:30 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOwnershipSEC FilingsShort Interest About Korro Bio Stock (NASDAQ:KRRO) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Korro Bio alerts:Sign Up Key Stats Today's Range$9.48▼$9.9050-Day Range$9.51▼$14.0752-Week Range$5.20▼$55.89Volume153,051 shsAverage Volume201,577 shsMarket Capitalization$142.00 millionP/E RatioN/ADividend YieldN/APrice Target$16.71Consensus RatingModerate Buy Company Overview Korro Bio, Inc. is a clinical-stage biotechnology company focused on developing RNA-editing medicines for genetic diseases. The company’s approach is designed to make precise changes to messenger RNA (mRNA), potentially correcting disease-causing genetic mutations without permanently altering a patient’s DNA. Korro’s technology platform uses short, chemically modified oligonucleotides to guide naturally occurring RNA-editing enzymes, including adenosine deaminase acting on RNA (ADAR), to targeted RNA sequences. By directing this editing activity, the company aims to restore or modify the production of disease-related proteins. The company’s development programs have included therapies for conditions such as alpha-1 antitrypsin deficiency, an inherited disorder caused by mutations in the SERPINA1 gene. Korro Bio is headquartered in Cambridge, Massachusetts, and is advancing its research through preclinical and clinical development programs. Its shares trade on the Nasdaq under the symbol KRRO.AI Generated. May Contain Errors. Read More Korro Bio Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks41st Percentile Overall ScoreKRRO MarketRank™: Korro Bio scored higher than 41% of companies evaluated by MarketBeat, and ranked 620th out of 887 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.9 / 5Analyst RatingModerate Buy Consensus RatingKorro Bio has received a consensus rating of Moderate Buy. The company's average rating score is 2.92, and is based on 3 strong buy ratings, 6 buy ratings, 2 hold ratings, and 1 sell rating.Upside PotentialKorro Bio has a consensus price target of $16.71, representing about 73.4% upside from its current price of $9.64.Amount of Analyst CoverageKorro Bio has only been the subject of 2 research reports in the past 90 days.Read more about Korro Bio's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Korro Bio are expected to grow in the coming year, from ($4.95) to ($4.46) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Korro Bio is -0.96, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Korro Bio is -0.96, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioKorro Bio has a P/B Ratio of 1.77. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about Korro Bio's valuation and earnings. Short Interest0.0 / 5Short Interest LevelBearish Percentage of Shares Shorted11.07% of the float of Korro Bio has been sold short.Short Interest Ratio / Days to CoverKorro Bio has a short interest ratio ("days to cover") of 11.91, which indicates bearish sentiment.Change versus previous monthShort interest in Korro Bio has recently increased by 4.60%, indicating that investor sentiment is decreasing. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldKorro Bio does not currently pay a dividend.Dividend GrowthKorro Bio does not have a long track record of dividend growth. News and Social MediaN/ANews SentimentN/A Company Ownership1.8 / 5Insider TradingSelling Shares Insider Buying vs. Insider SellingIn the past three months, Korro Bio insiders have sold 740.21% more of their company's stock than they have bought. Specifically, they have bought $78,815.00 in company stock and sold $662,214.00 in company stock.Percentage Held by Insiders4.80% of the stock of Korro Bio is held by insiders.Percentage Held by Institutions13.18% of the stock of Korro Bio is held by institutions.Read more about Korro Bio's insider trading history. Receive KRRO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Korro Bio and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. KRRO Stock News HeadlinesKorro Bio Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)September 11, 2026 | markets.businessinsider.comKorro Bio Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)September 11, 2026 | globenewswire.comThe case for $20,000 gold before year endPresident Trump reposted a warning from precious metals expert Jim Rickards, tying the November midterms and America's $40 trillion national debt to a potential surge in gold prices, with some forecasts pointing to $10,000 or even $20,000 gold. Dr. David Eifrig, a 40-year market veteran and former Goldman Sachs Vice President, says an unusual plan involving Trump and two other top officials could fuel the biggest gold bull run in decades. Eifrig has shared his top gold pick tied to this developing story. | Stansberry Research (Ad)Insider Selling: Korro Bio (NASDAQ:KRRO) SVP Sells 7,347 SharesSeptember 11, 2026 | insidertrades.comKorro to Participate in Upcoming Investor ConferencesAugust 27, 2026 | globenewswire.comKorro Bio Moves KRRO-121 Into First Human Trials, Raising the Stakes in Rare Disease RNA EditingAugust 20, 2026 | tipranks.comKorro Bio Advances KRRO-121 Into First Human TrialAugust 19, 2026 | tipranks.comKorro Bio Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)August 14, 2026 | globenewswire.comSee More Headlines KRRO Stock Analysis - Frequently Asked Questions How have KRRO shares performed this year? Korro Bio's stock was trading at $8.01 on January 1st, 2026. Since then, KRRO shares have increased by 20.3% and is now trading at $9.64. How were Korro Bio's earnings last quarter? Korro Bio, Inc. (NASDAQ:KRRO) issued its quarterly earnings results on Thursday, August, 6th. The company reported ($1.07) earnings per share (EPS) for the quarter, topping analysts' consensus estimates of ($1.34) by $0.27. When did Korro Bio IPO? Korro Bio (KRRO) raised $90 million in an IPO on Thursday, October 3rd 2019. The company issued 6,000,000 shares at $14.00-$16.00 per share. How do I buy shares of Korro Bio? Shares of KRRO stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Korro Bio own? Based on aggregate information from My MarketBeat watchlists, some other companies that Korro Bio investors own include Tesla (TSLA), NVIDIA (NVDA), Advanced Micro Devices (AMD), Meta Platforms (META), JPMorgan Chase & Co. (JPM), Netflix (NFLX) and Home Depot (HD). Company Calendar Last Earnings8/06/2026Today10/03/2026Next Earnings (Estimated)11/11/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Green Zone (8m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 KRRO's financial health is in the Green zone, according to TradeSmith. KRRO has been in this zone for over 8 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:KRRO Previous SymbolNASDAQ:KRRO CIK1703647 Webwww.korrobio.com Phone781-315-4600FaxN/AEmployees57Year Founded2018Price Target and Rating Average Price Target for Korro Bio$16.71 High Price Target$23.00 Low Price Target$10.00 Potential Upside/Downside+73.4%Consensus RatingModerate Buy Rating Score (0-4)2.92 Research Coverage12 Analysts Profitability EPS (Trailing Twelve Months)($10.00) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$117.26 million Net MarginsN/A Pretax Margin-4,441.85% Return on Equity-114.26% Return on Assets-68.57% Debt Debt-to-Equity RatioN/A Current Ratio9.55 Quick Ratio9.55 Sales & Book Value Annual Sales$6.39 million Price / Sales22.22 Cash FlowN/A Price / Cash FlowN/A Book Value$5.46 per share Price / Book1.77Miscellaneous Outstanding Shares14,730,000Free Float14,019,000Market Cap$142.00 million OptionableNo Data Beta3.13 Social Links 7 Stocks That Will Be Magnificent in 2026Discover the next wave of investment opportunities with our report, 7 Stocks That Will Be Magnificent in 2026. Explore companies poised to replicate the growth, innovation, and value creation of the tech giants dominating today's markets.Get This Free Report This page (NASDAQ:KRRO) was last updated on 10/4/2026 by MarketBeat.com Staff. From Our PartnersElon Warns "America Will Go Bankrupt". 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