KRRO (Korro Bio) Insider Ownership: 1.72 % (As of Aug. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

KRRO Korro Bio Inc KRRO
8 GF Score
Price $12.96
! 3 Warning Signs
View Full Analysis

What is Korro Bio Insider Ownership?

Korro Bio KRRO -7.03% 8 Insider Ownership is 1.72 % as of Aug. 21, 2026. GuruFocus rates KRRO with a GF Score™ of 8/100. The stock has 3 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Korro Bio's insider ownership is 1.72%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Korro Bio's Institutional Ownership is 88.87%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Korro Bio's Float Percentage Of Total Shares Outstanding is 89.26%.

Korro Bio Insider Ownership Historical Data

* Premium members only.

The historical data trend for Korro Bio's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Korro Bio Insider Ownership Chart

Korro Bio Historical Data

The historical data trend for Korro Bio can be seen below:

2025-07-31 2025-08-31 2025-09-30 2025-10-31 2025-11-30 2026-01-31 2026-02-28 2026-05-31 2026-06-30 2026-07-31
Insider Ownership 0.61 0.61 0.61 0.61 0.61 1.73 2.15 1.75 1.53 1.72
KRRO
8GF Score
Korro Bio Inc KRRO
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Korro Bio Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 1.72 % mean?
Korro Bio (KRRO) has a Insider Ownership of 1.72 % as of Aug. 21, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Korro Bio and its competitors.
Is Korro Bio's Insider Ownership too high?
Korro Bio's current Insider Ownership is 1.72 %. Overall, Korro Bio has a GF Score™ of 8/100, reflecting its overall financial health beyond just this single metric.
How does Korro Bio's Insider Ownership compare to ABOS and CRBU?
Korro Bio's Insider Ownership of 1.72 % can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Biotechnology company?
A good Insider Ownership depends on the Biotechnology industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Korro Bio and its competitors. Korro Bio's current Insider Ownership is 1.72 %. 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 Insider Ownership of 1.72 %. The current Insider Ownership is 1.72 %. Korro Bio's overall GF Score™ is 8/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Korro Bio (KRRO), the current Insider Ownership is 1.72 % as of Aug. 21, 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.
8GF Score

Get the complete analysis for KRRO

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$12.96
Price