Korro Bio (KRRO)

Nasdaq Market Open

Korro Bio is a biotechnology company developing genetic medicines based on RNA editing. Its platform is designed to use the body’s own RNA-editing machinery, including enzymes that can make single-letter changes to RNA transcripts, to alter the instructions used to produce proteins. This approach differs from DNA editing because it seeks to make a precise but temporary change at the RNA level rather than permanently modifying the genome.

The company’s technology is intended to expand the range of diseases that can be addressed with genetic medicine. By directing an edit to messenger RNA, Korro aims to correct or modulate disease-related proteins while retaining the possibility of dose control, repeat treatment, and reversibility. That distinction may be important in conditions where permanent DNA alteration is unnecessary or carries additional risk. Korro is building a pipeline that includes rare diseases as well as more common disorders, with programmes selected for the biological fit between the target mutation, delivery approach, and therapeutic need.

Korro remains a development-stage biopharmaceutical company, so its business is centred on discovery research, preclinical validation, clinical development planning, intellectual property, and partnerships rather than product sales. Its prospects depend on demonstrating that RNA edits can be achieved efficiently, selectively, durably enough to matter clinically, and safely in relevant tissues.

For investors, KRRO offers exposure to an emerging area of genetic medicine that sits between traditional RNA therapeutics and permanent gene editing. The company’s distinctive proposition is the ability to recode RNA with precision while preserving flexibility, a feature that could make RNA editing applicable across multiple disease categories if clinical data support the platform.

11.34 USD
+0.32 (+2.89%)

Last updated

Market Cap
159.8M
P/E
P/FCF
P/S
41.59
Enterprise Value
98.11M
Sector
Health Care
Industry
Pharmaceutical Preparations
Address
60 FIRST STREET, CAMBRIDGE, MA, 02141
Market Cap
159.8M
Enterprise Value
98.11M
P/E
P/B
1.34
P/S
41.59
EV / EBITDA
-1.24
EV / Sales
25.53
EPS
-7.87
Dividend Yield
0%
P/FCF
P/CF
Free Cash Flow
-70.6M
ROE
-94.87%
ROA
-61.81%
Debt / Equity
0
Current Ratio
8.13
Quick Ratio
8.13
Cash
4.17
Avg Volume
116.81K
Fundamentals Snapshot Price
11.08

Income Statement

Line Item 2026 Q1 2025 Q4 2025 Q3 2025 Q2 2025 Q1
Revenue 1.29M 1.09M 1.46M 2.55M
Gross profit 1.29M 1.09M 1.46M 2.55M
Operating income -20.44M -50.4M -19.24M -27.2M -25.02M
EBITDA -20.06M -15.23M -18.06M -25.98M -23.8M
Net income -19.63M -50.04M -18.06M -25.77M -23.39M
Basic EPS -1.69 -5.32 -1.92 -2.74 -2.49
Diluted EPS -1.69 -5.32 -1.92 -2.74 -2.49

Balance Sheet

Line Item 2026 Q1 2025 Q4 2025 Q3 2025 Q2 2025 Q1
Total assets 183.62M 113.51M 161.55M 180.43M 202.21M
Total liabilities 63.99M 62.07M 62.52M 65.32M 63.25M
Total equity 119.63M 51.44M 99.03M 115.1M 138.96M
Cash & equivalents 61.7M 21.82M 24.16M 33.61M 64.14M
Current assets 120.16M 82.37M 98.23M 102.63M 121.24M
Current liabilities 14.79M 11.94M 14.64M 17.17M 12.88M

Cash Flow

Line Item 2026 Q1 2025 Q4 2025 Q3 2025 Q2 2025 Q1
Operating cash flow -16.07M -17.7M -17.18M -19.23M -24.45M
Investing cash flow -32.24M 14.92M 7.6M -11.3M 32.78M
Financing cash flow 88.21M 380K 128K 5K 172K
Change in cash 39.87M -2.33M -9.46M -30.53M 8.5M
Kind Filing Date Link
edgar index 4 — Korro Bio, Inc. View Filing
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edgar index SCHEDULE 13G/A — Korro Bio, Inc. View Filing
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edgar index S-3 — Korro Bio, Inc. View Filing
edgar index SCHEDULE 13D/A — Korro Bio, Inc. View Filing
edgar index 8-K — Korro Bio, Inc. View Filing
edgar index 10-K — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
edgar index 4 — Korro Bio, Inc. View Filing
eight k text 8-K — 8-K View Filing
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edgar index SCHEDULE 13G — Korro Bio, Inc. View Filing
form 4 Form 4 — Florence Anthony A. Jr. View Filing
form 4 Form 4 — Florence Anthony A. Jr. View Filing
form 4 Form 4 — Makhzoumi Mohamad View Filing
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