KRRO Korro Bio, Inc.
Company Analysis
Latest News
Korro Bio Surges 11% on Striking Mouse Data, but Can a Micro-Cap RNA Editor Turn Preclinical Promise Into Real Value
Shares of Korro Bio jumped 10.7% to $10.28 Wednesday after the Cambridge, Mass., company reported that its experimental drug for alpha-1 antitrypsin deficiency...
🟢 Korro Bio is trading 10.66% up after KRRO-111's up-to-95% liver Z-AAT reduction
Korro Bio is trading at $10.28, up 10.66%, after announcing positive KRRO-111 preclinical results. - On October 22, the company reported up to 95% lower...
🟢 Korro Bio is trading 5% up today after KRRO-111 reduced liver Z-AAT up to 95%
Korro Bio is trading 5.49% up at $9.80 after announcing positive preclinical data for KRRO-111 on October 22, 2026. - In mouse studies, KRRO-111 showed...
Korro Bio Reports Positive Preclinical Data for AATD Candidate KRRO-111
Korro Bio announced positive preclinical results for KRRO-111, its development candidate for treating Alpha-1 Antitrypsin Deficiency (AATD). Data from mouse...
🟢 Korro Bio rises 5.6% — Biotech Sector Surges on M&A Activity and Positive Clinical Trial Data
With Biotech (XBI) up 2.1%, this looks like a sector-led move rather than a company-specific surprise. The biotechnology sector is experiencing a significant...
🔴 Korro Bio falls 5.4% — Biotech Sector Declines Amid Broad Market Rotation
With Biotech (XBI) down 2.1%, this looks like a sector-led move rather than a company-specific surprise. The biotechnology sector, as represented by the XBI...
🟢 Korro Bio rises 5.7% — Biotech Sector Rallies on Positive Clinical Data and Regulatory News
With Biotech (XBI) up 2.2%, this looks like a sector-led move rather than a company-specific surprise. The biotechnology sector, as measured by the XBI ETF,...
🔴 Korro Bio is trading 5% down today as inflation and market losses pressured growth-sensitive stocks
Korro Bio is trading at $8.34, down 5.33%, as hotter-than-expected September inflation and broad market losses pressured growth-sensitive stocks. - No new...
🔴 Korro Bio is trading 5.7% down today amid a 2.01% decline in biotech ETF XBI
Korro Bio is trading 5.66% down at $8.84, with broader biotech weakness offering context but no direct cause established. - XBI, the biotech sector ETF, is...
🔴 Korro Bio is trading 5% down
Korro Bio is trading at $9.62, down 5.31%, with no clear company-specific catalyst identified for its October 12 decline. - The first-cohort dosing...
🟢 Korro Bio is trading 6.05% up today
Korro Bio is trading at $10.35, up 6.05%, with no company-specific catalyst identified in available coverage. - No company announcement dated October 7...
Korro Bio Doses First Cohort in Phase 1/2 Clinical Trial for KRRO-121
Korro Bio, Inc. announced it has dosed the first cohort of participants in its Phase 1/2 clinical trial, named ANCHOR, for its drug candidate KRRO-121. The...
🔴 Korro Bio is trading 5.51% down today after opening-market weakness
Korro Bio is trading 5.51% down at $9.77 after opening-market weakness on September 23, 2026. - No new company-specific announcement dated September 23 was...
🟢 Korro Bio is trading 5.71% up today after recovering from steep September losses
Korro Bio is trading 5.71% up at $10.55 after recovering from steep losses recorded on September 17 and September 18. - No new company-specific announcement...
🟢 Korro Bio is trading 7.6% up today in pre-market amid improved broader market risk appetite
Korro Bio is trading 7.6% up at $10.78 in September 21 pre-market trading, apparently reflecting improved broader market risk appetite. - It closed at $10.02...
🔴 Korro Bio is trading 10.08% down today with no confirmed company-specific explanation
Korro Bio is trading now at $10.61, with a -10.08% change after falling from its September 17 close of $11.80; no verified company-specific announcement or...
🔴 Korro Bio is trading 5% down today as reason remains unclear
Korro Bio is trading 5.17% down at $11.19, with no verified company-specific explanation identified for the September 18 decline. - The stock fell from its...
🟢 Korro Bio is trading 8.9% up in pre-market with no verified company-specific catalyst
Korro Bio is trading at $12.85, up 8.90%, after no verified company-specific announcement was identified for September 18, 2026. - The latest identified...
🔴 Korro Bio is trading 10.12% down today despite XBI rising 2.55%
Korro Bio is trading 10.12% down at $12.43 after no confirmed company-specific announcement was identified for September 17, 2026. - The latest company filing...
🔴 Korro Bio is trading 6.7% down today despite broader markets and biotechnology trading higher
Korro Bio is trading 6.7% down at $12.90, despite broader markets and biotechnology trading higher; the immediate catalyst is unclear. - No confirmed...