KRRO (Korro Bio) Moat Score: 3/10 (As of Jun. 29, 2026)


KRRO Korro Bio Inc KRRO
6 GF Score
Price $12.70
! 4 Warning Signs
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What is Korro Bio Moat Score?

Korro Bio KRRO +5.31% 6 Moat Score is 3 as of Jun. 29, 2026. GuruFocus rates KRRO with a GF Score™ of 6/100. The stock has 4 warning signs investors should review. Among 1,401 Biotechnology companies, Korro Bio ranks better than 75.52% on this metric.

Korro Bio has the Moat Score of 3, which implies that the company might have No Moat - Very weak/transient advantages.

Korro Bio has No Moat: Korro Bio operates in the competitive biotech industry with limited competitive advantages. It lacks significant intellectual property, brand strength, or regulatory barriers to establish a strong moat.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes Korro Bio might have No Moat - Very weak/transient advantages.

Korro Bio  (NAS:KRRO) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

Korro Bio Moat Score Related Terms

KRRO vs LENZ, ANTX, OKUR: Moat Score Comparison

For the Biotechnology subindustry, Korro Bio's Moat Score, along with its competitors' market caps and Moat Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Korro Bio Moat Score vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Korro Bio's Moat Score distribution charts can be found below:

* The bar in red indicates where Korro Bio's Moat Score falls into.


KRRO
6GF Score
Korro Bio Inc KRRO
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Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 3 mean?
Korro Bio (KRRO) has a Moat Score of 3 as of Jun. 29, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, Korro Bio ranks #343 out of 1401 companies in the Biotechnology industry, placing it in the top 24.5%.
Is Korro Bio's Moat Score too high?
Korro Bio's current Moat Score is 3. The Biotechnology industry median Moat Score is 2.00. Korro Bio's value of 3 is 50% above this industry median. Based on the distribution chart, Korro Bio ranks #343 out of 1401 companies in the Biotechnology industry, which is in the top quartile — a strong position relative to peers. Overall, Korro Bio has a GF Score™ of 6/100, reflecting its overall financial health beyond just this single metric.
How does Korro Bio's Moat Score compare to LENZ and ANTX?
According to the Biotechnology industry distribution chart, Korro Bio ranks #343 out of 1401 companies for Moat Score. This places Korro Bio in the top 25% of its industry — outperforming the majority of peers. The industry median Moat Score is 2.00. Korro Bio's value of 3 is 50% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for a Biotechnology company?
The median Moat Score among Biotechnology companies is 2.00, based on 1,401 companies in the industry. Companies in the top quartile (top 25%) have a Moat Score significantly above this median, while those in the bottom quartile fall well below. However, Moat Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Korro Bio's current Moat Score of 3 is 50% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. For the Biotechnology industry, the median Moat Score is 2.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Korro Bio's current Moat Score is 3. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Korro Bio stock overvalued right now?
Korro Bio (KRRO) has a current Moat Score of 3. The current Moat Score is 3 and 50% above the Biotechnology industry median of 2.00. Korro Bio's overall GF Score™ is 6/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For Korro Bio (KRRO), the current Moat Score is 3 as of Jun. 29, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Korro Bio Business Description

Address 60 First Street, 2nd Floor, Suite 250, Cambridge, MA, USA, 02141
Korro Bio Inc is a biopharmaceutical company with a mission to discover, develop, and commercialize a new class of genetic medicines based on editing RNA, enabling the treatment of both rare and highly prevalent diseases. It is generating a portfolio of differentiated programs that are designed to harness the body's natural RNA editing process to effect a precise yet transient single base edit. By editing RNA instead of DNA, Korro Bio is expanding the reach of genetic medicines by delivering additional precision and tunability. The company operates and manages its business as one reportable segment and one operating segment, which is the business of discovering, developing and commercializing therapies derived from or incorporating its RNA-editing technology.
6GF Score

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