Live Markets
Tuesday, July 28, 2026·George Town, KY·29°·Partly Cloudy
Markets Open · NYSE·Newsletter·Masthead·
VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs
Markets · Healthcare

Korro Bio, Inc. (KRRO)

NCM · Biotechnology

$10.50-0.22 (-2.05%)Quote refreshed

Sources: Yahoo Finance (quote, statistics) · SEC EDGAR (filings, insider trades, 13F holders) · company filings & press wires

Market Cap
$151.4M
P/E (TTM)
EPS
$-11.68
Div Yield
52W Range
$5.20–$55.89
Beta
2.11

Company overview

Next earnings: 2026-08-11(14d)

Korro Bio, Inc., a biopharmaceutical company, engages in the discovering, developing, and commercializing of genetic medicines based on editing RNA for the treatment of rare and highly prevalent diseases in the United States. The company's lead product candidate is KRRO-121 for the treatment for hyperammonemia. It uses its RNA editing platform, Oligonucleotide Promoted Editing of RNA to generate differentiated RNA editing product candidates. The company is also developing programs for Parkinson's disease, Amyotrophic lateral sclerosis, severe drug-associated anesthetics, and other pain indications. Korro Bio, Inc. has a collaboration agreement with Novo Nordisk A/S to treat cardiometabolic diseases. Korro Bio, Inc. was founded in 2018 and is based in Cambridge, Massachusetts.

Peers in Biotechnology

All in industry →

Recent press releases

Korro Bio, Inc. has not issued a press release in this window.

SEC filings

All filings →

Korro Bio, Inc. has not filed an SEC document in this window.

Korro Bio, Inc. has no reported insider trades in the last 90 days.

Institutional holders

All holders →
As of 2025-12-31 · prior 2025-09-30
1,090,793 sh0.0%
FMR LLC$303,235
37,857 sh-93.3%
457,399 sh+2.4%
347,718 sh-17.0%
489,639 sh+23.8%
161,092 sh-38.1%

People at Korro Bio, Inc.

All people →

Quarterly financials

Full financials →
Revenue trend
03/25
$2.5M
NI -$23.4M
06/25
$1.5M
NI -$25.8M
09/25
$1.1M
NI -$18.1M
RevenueNI = Net Income
EPS trend (diluted)
Latest: $-1.92
Prior: $-2.74
Revenue sparkline