UCLE (US Nuclear) Insider Ownership: 71.89 % (As of Aug. 17, 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.
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Charlie Tian
Founder & CEO of GuruFocus
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What is US Nuclear Insider Ownership?

US Nuclear UCLE -1.12% Insider Ownership is 71.89 % as of Aug. 17, 2026. The stock has 4 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, US Nuclear's insider ownership is 71.89%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, US Nuclear's Institutional Ownership is 0.00%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, US Nuclear's Float Percentage Of Total Shares Outstanding is 66.10%.

US Nuclear Insider Ownership Historical Data

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The historical data trend for US Nuclear'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.

US Nuclear Insider Ownership Chart

US Nuclear Historical Data

The historical data trend for US Nuclear can be seen below:

2018-02-28 2018-03-31 2018-04-30 2018-05-31 2018-06-30 2018-07-31 2018-08-31 2018-09-30 2018-10-31 2018-11-30
Insider Ownership 81.70 81.70 81.70 72.56 71.89 71.89 71.89 71.89 71.89 71.89

US Nuclear 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 71.89 % mean?
US Nuclear (UCLE) has a Insider Ownership of 71.89 % as of Aug. 17, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on US Nuclear and its competitors.
Is US Nuclear's Insider Ownership too high?
US Nuclear's current Insider Ownership is 71.89 %.
How does US Nuclear's Insider Ownership compare to SOBR and FCUV?
US Nuclear's Insider Ownership of 71.89 % can be compared against companies in the Hardware 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 Hardware company?
A good Insider Ownership depends on the Hardware 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 US Nuclear and its competitors. US Nuclear's current Insider Ownership is 71.89 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is US Nuclear stock overvalued right now?
Based on GuruFocus' analysis, US Nuclear (UCLE) is currently considered Modestly Undervalued. The stock's GF Value™ is $0.04, compared to a current price of $0.04 — trading 11.8% below its estimated fair value. The current Insider Ownership is 71.89 %. 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 US Nuclear (UCLE), the current Insider Ownership is 71.89 % as of Aug. 17, 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.

US Nuclear Business Description

Address c/o Robert I. Goldstein, 7051 Eton Avenue, Canoga Park, CA, USA, 91303
US Nuclear Corp is engaged in developing, manufacturing, and selling radiation detection and measuring equipment. Its operating segment includes Optron and Overhoff. The company generates maximum revenue from Overhoff segment. The company products include radiation water monitors, tritium monitors, air and water monitors, nano-second x-ray monitors, and vehicle, personnel, exit and room monitors. It also offers handheld survey meters/dosimeters, and port security equipment, along with supporting software and services.