Korro Bio, Inc. (KRRO) Earnings History
Net Loss9 years of earnings data (2017–2025) · Currently unprofitable on a TTM basis
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Korro Bio, Inc. (KRRO) Earnings Overview
As of November 8, 2026, Korro Bio, Inc. (KRRO) reported trailing twelve-month net income of -$106M, reflecting -33.2% year-over-year growth. The company earned $-5.94 per diluted share over the past four quarters, with a net profit margin of -1834.5%.
Looking at the long-term picture, KRRO's historical earnings data spans multiple years. The company achieved its highest annual net income of -$19M in fiscal 2019.
Korro Bio, Inc. is currently reporting a net loss, though operating performance should be evaluated in the context of growth investments and industry dynamics View revenue history →
Compared to peers including BEAM (-$107M net income, -57.2% margin), EDIT (-$74M net income, -395.0% margin), CRSP (-$456M net income, -16569.8% margin), KRRO has room to improve margins relative to the peer group. Compare KRRO vs BEAM →
KRRO Earnings vs Peers
Earnings metrics vs comparable public companies
KRRO Historical Earnings Data (2017–2025)
9 years| Fiscal Year | Net Income | YoY % | Operating Income | EPS (Diluted) | Net Margin | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | -$117M | -40.3% | -$87M | $-12.48 | -1834.5% | -1366.4% |
| 2024 | -$84M | -3.0% | -$92M | $-9.37 | -3680.4% | -4047.1% |
| 2023 | -$81M | -39.9% | -$85M | $-53.08 | - | - |
| 2022 | -$58M | -164.3% | -$59M | $-227.42 | - | - |
| 2021 | -$22M | +17.2% | -$35M | $-4.94 | - | - |
| 2020 | -$27M | -41.4% | -$28M | $-41.10 | -71.7% | -74.5% |
| 2019 | -$19M | +2.2% | -$21M | $-30.39 | -64.8% | -71.4% |
| 2018 | -$19M | +5.3% | -$19M | $-30.57 | - | - |
| 2017 | -$20M | - | -$16M | $-32.27 | - | - |
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KRRO — Frequently Asked Questions
Quick answers to the most common questions about buying KRRO stock.
What is KRRO earnings per share (EPS)?
KRRO trailing twelve-month (TTM) diluted EPS is $-5.94, reflecting -33.2% year-over-year growth. The 5-year EPS CAGR is N/A. Complete EPS history from 2017 to 2025 is available in the table on this page.
What is Korro Bio, Inc.'s net income?
Korro Bio, Inc. (KRRO) trailing twelve-month net income is $-106M as of 2025. Earnings declined -33.2% year-over-year.
Is KRRO profitable?
KRRO is not currently profitable on a TTM basis, reporting a net loss of $-106M. Net margin is -1834.5%. Investors should monitor for a return to profitability.
What is KRRO's earnings growth rate?
KRRO compound annual EPS growth rates (CAGR): 1-Year: N/A, 3-Year: N/A, 5-Year: N/A, 10-Year: N/A. These figures measure the annualised rate of diluted EPS growth over each period, based on data from 2017 to 2025.
What are KRRO's profit margins?
Korro Bio, Inc. net profit margin is -1834.5%, operating margin is -1366.4%, and gross margin is +33.0%. Below-average margins reflect competitive or cost pressures. Return on Equity is -110.7%.
Is KRRO growing earnings?
KRRO earnings are declining — EPS fell -33.2% year-over-year. TTM net income dropped to $-106M. This contrasts with the 5-year CAGR of N/A.
What was KRRO's best earnings year?
Korro Bio, Inc.'s highest annual net income on record is $-19M, achieved in fiscal year 2019. Earnings history on this page spans 2017 to 2025 and includes all annual and quarterly figures.
What were KRRO's earnings last quarter?
KRRO's most recent reported quarter was Q3 2026. Net income was $-18M with diluted EPS of $-0.98. For a full breakdown of all quarters, see the quarterly earnings table on this page.