12.70
price up icon4.35%   0.53
 
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Korro Bio Inc stock is traded at $12.70, with a volume of 788.71K. It is up +4.35% in the last 24 hours and up +3.00% over the past month. Korro Bio Inc is a biopharmaceutical company with a mission to discover, develop, and commercialize a new class of genetic medicines based on editing RNA, enabling the treatment of both rare and highly prevalent diseases. It is generating a portfolio of differentiated programs that are designed to harness the body's natural RNA editing process to effect a precise yet transient single base edit. By editing RNA instead of DNA, Korro Bio is expanding the reach of genetic medicines by delivering additional precision and tunability. The company operates and manages its business as one reportable segment and one operating segment, which is the business of discovering, developing and commercializing therapies derived from or incorporating its RNA-editing technology.
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Previous Close:
$12.17
Open:
$12.09
24h Volume:
788.71K
Relative Volume:
4.40
Market Cap:
$183.17M
Revenue:
$6.39M
Net Income/Loss:
$-117.26M
P/E Ratio:
-1.0176
EPS:
-12.4807
Net Cash Flow:
$-79.08M
1W Performance:
-2.23%
1M Performance:
+3.00%
6M Performance:
+56.40%
1Y Performance:
+2.92%
1-Day Range:
Value
$12.09
$13.14
1-Week Range:
Value
$11.97
$15.09
52-Week Range:
Value
$5.2044
$55.89

Korro Bio Inc Stock (KRRO) Company Profile

Name
Name
Korro Bio Inc
Name
Phone
617-468-1999
Name
Address
60 FIRST STREET, CAMBRIDGE
Name
Employee
49
Name
Twitter
Name
Next Earnings Date
2026-08-11
Name
Latest SEC Filings
Name
KRRO's Discussions on Twitter

Compare KRRO vs VRTX, REGN, ARGX, ALNY, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
KRRO icon
KRRO
Korro Bio Inc
12.70 183.17M 6.39M -117.26M -79.08M -12.48
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
491.34 124.70B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
632.90 66.35B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
887.18 55.17B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
291.37 38.90B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
182.08 38.71B 742.00K -1.37B -1.07B -7.0731

Korro Bio Inc Stock (KRRO) Upgrades & Downgrades

Date Action Analyst Rating Change
Mar-13-26 Upgrade Raymond James Mkt Perform → Outperform
Feb-17-26 Upgrade William Blair Mkt Perform → Outperform
Jan-29-26 Upgrade Chardan Capital Markets Neutral → Buy
Jan-29-26 Upgrade H.C. Wainwright Neutral → Buy
Jan-29-26 Upgrade Piper Sandler Neutral → Overweight
Jan-28-26 Upgrade Cantor Fitzgerald Neutral → Overweight
Jan-28-26 Upgrade Oppenheimer Perform → Outperform
Nov-13-25 Downgrade Cantor Fitzgerald Overweight → Neutral
Nov-13-25 Downgrade Chardan Capital Markets Buy → Neutral
Nov-13-25 Downgrade H.C. Wainwright Buy → Neutral
Nov-13-25 Downgrade Piper Sandler Overweight → Neutral
Nov-13-25 Downgrade RBC Capital Mkts Outperform → Sector Perform
Nov-13-25 Downgrade Raymond James Strong Buy → Mkt Perform
Nov-13-25 Downgrade William Blair Outperform → Mkt Perform
Apr-29-25 Initiated Cantor Fitzgerald Overweight
Apr-16-25 Initiated Chardan Capital Markets Buy
Jan-10-25 Initiated Oppenheimer Outperform
Oct-21-24 Initiated Raymond James Strong Buy
Aug-14-24 Initiated William Blair Outperform
Mar-28-24 Reiterated H.C. Wainwright Buy
Feb-27-24 Initiated BMO Capital Markets Outperform
Dec-04-23 Initiated H.C. Wainwright Buy
Nov-29-23 Initiated RBC Capital Mkts Outperform
Nov-10-23 Initiated Piper Sandler Overweight
Feb-15-23 Downgrade Chardan Capital Markets Buy → Neutral
Feb-13-23 Downgrade Cowen Outperform → Market Perform
Sep-22-21 Downgrade Goldman Buy → Neutral
Jan-27-21 Upgrade JP Morgan Neutral → Overweight
Dec-22-20 Initiated B. Riley Securities Buy
Jul-14-20 Initiated Oppenheimer Outperform
May-18-20 Downgrade JP Morgan Overweight → Neutral
Oct-28-19 Initiated Cowen Outperform
Oct-28-19 Initiated Goldman Buy
Oct-28-19 Initiated JP Morgan Overweight
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Korro Bio Inc Stock (KRRO) Latest News

pulisher
Jun 26, 2026

Korro Bio, Inc. (KRRO) soars 17.6%: Is further upside left in the stock? - MSN

Jun 26, 2026
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Jun 26, 2026

Korro Bio, Inc. Actuals & Estimates (NASDAQ:KRRO) - TradingView

Jun 26, 2026
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Jun 25, 2026

KRRO Forecast — Price Target — Prediction for 2027 - TradingView

Jun 25, 2026
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Jun 25, 2026

Form 4 Korro Bio Inc For: 24 June By Investing.com - Investing.com Nigeria

Jun 25, 2026
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Jun 25, 2026

Korro Bio Insider Sold Shares Worth $2,458,582, According to a Recent SEC Filing - marketscreener.com

Jun 25, 2026
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Jun 24, 2026

Korro Bio director Jean Francois Formela sells $2.45m in shares - Investing.com

Jun 24, 2026
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Jun 24, 2026

Form 144 Korro Bio For: 24 June By Investing.com - Investing.com Canada

Jun 24, 2026
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Jun 24, 2026

Atlas Venture (KRRO) sells 101,579 shares on 06/23/2026, multiple Form 144 entries - Stock Titan

Jun 24, 2026
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Jun 24, 2026

Korro Bio Inc (KRRO) Technical Analysis: Support, Resistance, Indicators & Moving Averages - TradingKey

Jun 24, 2026
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Jun 23, 2026

Form 144 Korro Bio For: 23 June By Investing.com - Investing.com South Africa

Jun 23, 2026
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Jun 23, 2026

Form 144 Korro Bio For: 22 June By Investing.com - Investing.com Australia

Jun 23, 2026
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Jun 22, 2026

Atlas Venture sells KRRO (KRRO) stock — 2,441 and 419 shares reported - Stock Titan

Jun 22, 2026
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Jun 19, 2026

Korro Bio, Inc. (KRRO) Soars 17.6%: Is Further Upside Left in the Stock? - Yahoo Finance

Jun 19, 2026
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Jun 18, 2026

Korro Bio COO Chappell sells $34,309 in company stock By Investing.com - Investing.com South Africa

Jun 18, 2026
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Jun 17, 2026

Korro Bio COO Chappell sells $34,309 in company stock - Investing.com UK

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Valuation: PE, PB & Fair Value Analysis - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Risk Assessment: Volatility, Financial Risk & Investment Risk - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Institutional Confidence - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Financial Health: Profitability & Balance Sheet Analysis - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Earnings Forecast: Future EPS & Revenue Growth Estimates - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Dividends & Stock Splits: Historical Payouts and Event Timeline - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Shareholder Structure: Major Shareholders & Institutional Holdings - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio Inc (KRRO) Revenue Breakdown: Business Segments, Regional Revenue & Profit Contribution - TradingKey

Jun 17, 2026
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Jun 17, 2026

Korro Bio (KRRO) CSO sells 3,418 shares to cover RSU taxes - Stock Titan

Jun 17, 2026
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Jun 15, 2026

Korro Bio: RNA Editor Plots Way Back After AATD Study FailI'm Holding (NASDAQ:KRRO) - Seeking Alpha

Jun 15, 2026
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Jun 13, 2026

KRRO Q1 2026 Earnings: Narrowed Loss Surprises to the Upside, Shares RallyEarnings Surprise Stocks - newsline.com

Jun 13, 2026
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Jun 12, 2026

KORRO BIO INC (KRRO) Stock Chart - ChartMill

Jun 12, 2026
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Jun 12, 2026

Korro Bio Stockholders Approve Directors, Pay and Auditor - The Globe and Mail

Jun 12, 2026
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Jun 11, 2026

Korro Bio (KRRO) director Ali Behbahani receives 14,677 stock options grant - Stock Titan

Jun 11, 2026
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Jun 11, 2026

Korro Bio (KRRO) director receives 14,677 stock options at $10.59 strike - Stock Titan

Jun 11, 2026
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Jun 11, 2026

Korro Bio (KRRO) director Nessan Bermingham receives 14,677 stock options at $10.59 - Stock Titan

Jun 11, 2026
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Jun 11, 2026

Korro Bio (KRRO) director awarded 14,677 stock options at $10.59 strike price - Stock Titan

Jun 11, 2026
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Jun 11, 2026

Director at Korro Bio (NASDAQ: KRRO) awarded stock options for 14,677 shares - Stock Titan

Jun 11, 2026
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Jun 11, 2026

Korro Bio (NASDAQ: KRRO) director receives 14,677 stock options grant - Stock Titan

Jun 11, 2026
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Jun 11, 2026

What makes Korro Bio, Inc. (KRRO) a new buy stock - MSN

Jun 11, 2026
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Jun 11, 2026

Korro Bio (NASDAQ: KRRO) investors back directors, pay and auditor - Stock Titan

Jun 11, 2026
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Jun 11, 2026

One Korro Bio Insider Raised Stake By 19% In Previous Year - Yahoo Finance

Jun 11, 2026
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Jun 10, 2026

KRRO Q1 2026 Earnings: Narrower-than-expected loss drives positive surprise despite revenue absencePerformance Review - newsline.com

Jun 10, 2026
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Jun 06, 2026

KRRO Q1 2026 Earnings: EPS Beat But Stock Declines Amid No RevenueAnnual Report - newsline.com

Jun 06, 2026
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Jun 05, 2026

KRRO Q1 2026 Earnings: Narrower-Than-Expected Loss Highlights Cost Discipline Amid Pre-Revenue PhaseManagement Tone Analysis - newsline.com

Jun 05, 2026
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Jun 02, 2026

Korro Bio CEO Ram Aiyar sells $196,672 in company stock By Investing.com - Investing.com Nigeria

Jun 02, 2026
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Jun 02, 2026

Korro Bio CEO Ram Aiyar sells $196,672 in company stock - Investing.com

Jun 02, 2026
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Jun 01, 2026

Korro Bio director sells $39,897 in common stock By Investing.com - Investing.com Canada

Jun 01, 2026
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Jun 01, 2026

Korro Bio director sells $39,897 in common stock - Investing.com

Jun 01, 2026
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May 29, 2026

Korro Bio Inc. (KRRO) Faces Selling Pressure as Shares Retreat 3.21%Bear Pennant - The Legal Advocate

May 29, 2026
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May 29, 2026

KRRO Q1 2026 Earnings: EPS Beat by 10.05% as Biotech Advances PipelineNext Quarter Guidance - The Legal Advocate

May 29, 2026

Korro Bio Inc Stock (KRRO) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Korro Bio Inc Stock (KRRO) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
FORMELA JEAN FRANCOIS
Director
Jun 24 '26
Sale
14.61
48,438
707,491
169,556
FORMELA JEAN FRANCOIS
Director
Jun 22 '26
Sale
13.95
3,962
55,270
194,075
$91.22
price up icon 1.36%
$34.07
price up icon 0.15%
$56.23
price up icon 2.82%
$67.27
price up icon 12.59%
ONC ONC
$279.89
price up icon 1.65%
$182.08
price up icon 2.19%
Cap:     |  Volume (24h):