Korro Bio, Inc.

NasdaqCM:KRRO Stock Report

Market Cap: US$206.2m

Korro Bio Past Earnings Performance

Past criteria checks 0/6

Korro Bio's earnings have been declining at an average annual rate of -21.8%, while the Biotechs industry saw earnings growing at 36.2% annually. Revenues have been growing at an average rate of 106.2% per year.

Key information

-21.79%

Earnings growth rate

54.53%

EPS growth rate

Biotechs Industry Growth17.04%
Revenue growth rate106.20%
Return on equity-94.87%
Net Margin-2,954.14%
Last Earnings Update31 Mar 2026

Recent past performance updates

Recent updates

Analysis Article Jun 16

Will Korro Bio (NASDAQ:KRRO) Spend Its Cash Wisely?

Just because a business does not make any money, does not mean that the stock will go down. For example, biotech and...
Seeking Alpha Jun 15

Korro Bio: RNA Editor Plots Way Back After AATD Study Fail - I'm Holding

Summary Korro Bio faces high uncertainty after KRRO-110 failed to meet clinical expectations in AATD, prompting a pipeline overhaul. KRRO-121, targeting hyperammonemia, and KRRO-111, a next-gen AATD candidate, show promising preclinical data but lack clinical proof-of-concept. KRRO's $157.1M cash position funds operations into 2H 2028, but late-stage trials will require additional capital if early data are positive. I am holding KRRO for potential upside but advise caution until Phase 1/2 data derisk the platform; risk/reward is high given competition and unproven clinical efficacy. Read the full article on Seeking Alpha
Analysis Article Oct 23

Will Korro Bio (NASDAQ:KRRO) Spend Its Cash Wisely?

Even when a business is losing money, it's possible for shareholders to make money if they buy a good business at the...
Analysis Article Jul 05

We're Keeping An Eye On Korro Bio's (NASDAQ:KRRO) Cash Burn Rate

We can readily understand why investors are attracted to unprofitable companies. For example, although Amazon.com made...
Analysis Article Mar 19

Will Korro Bio (NASDAQ:KRRO) Spend Its Cash Wisely?

We can readily understand why investors are attracted to unprofitable companies. For example, although...
Analysis Article Nov 28

We Think Korro Bio (NASDAQ:KRRO) Needs To Drive Business Growth Carefully

Just because a business does not make any money, does not mean that the stock will go down. For example, although...
Analysis Article Aug 15

We Think Korro Bio (NASDAQ:KRRO) Needs To Drive Business Growth Carefully

We can readily understand why investors are attracted to unprofitable companies. For example, although...
Analysis Article Mar 30

We Think Korro Bio (NASDAQ:KRRO) Can Afford To Drive Business Growth

We can readily understand why investors are attracted to unprofitable companies. For example, although Amazon.com made...

Revenue & Expenses Breakdown

How Korro Bio makes and spends money. Based on latest reported earnings, on an LTM basis.


Earnings and Revenue History

NasdaqCM:KRRO Revenue, expenses and earnings (USD Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
31 Mar 264-113380
31 Dec 256-117390
30 Sep 257-88400
30 Jun 256-91410
31 Mar 255-87400
31 Dec 242-84420
30 Sep 240-8845-35
30 Jun 240-8543-24
31 Mar 240-8141-14
31 Dec 230-81370
30 Sep 230-722846
30 Jun 230-692744
31 Mar 230-642342
31 Dec 220-582138

Quality Earnings: KRRO is currently unprofitable.

Growing Profit Margin: KRRO is currently unprofitable.


Free Cash Flow vs Earnings Analysis


Past Earnings Growth Analysis

Earnings Trend: KRRO is unprofitable, and losses have increased over the past 5 years at a rate of 21.8% per year.

Accelerating Growth: Unable to compare KRRO's earnings growth over the past year to its 5-year average as it is currently unprofitable

Earnings vs Industry: KRRO is unprofitable, making it difficult to compare its past year earnings growth to the Biotechs industry (54.5%).


Return on Equity

High ROE: KRRO has a negative Return on Equity (-94.87%), as it is currently unprofitable.


Return on Assets


Return on Capital Employed


Discover strong past performing companies

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/10 17:07
End of Day Share Price 2026/07/10 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Korro Bio, Inc. is covered by 15 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Steven SeedhouseCantor Fitzgerald & Co.
Tu Cam NguyenCGS International
Keay NakaeChardan Capital Markets, LLC