RIOXF (RION Co) Insider Ownership: 0.00 % (As of Aug. 11, 2026)

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Director of Data and Quant Analytics at GuruFocus
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RIOXF RION Co Ltd RIOXF
89 GF Score
Price $14.63
GF Value $11.39
! 1 Warning Sign
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What is RION Co Insider Ownership?

RION Co RIOXF 89 Insider Ownership is 0.00 % as of Aug. 11, 2026. GuruFocus rates RIOXF with a GF Score™ of 89/100 and a GF Value™ of $11.39. The stock has 1 warning sign 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, RION Co's insider ownership is 0.00%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, RION Co's Institutional Ownership is 14.51%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, RION Co's Float Percentage Of Total Shares Outstanding is 0.00%.

RION Co Insider Ownership Historical Data

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The historical data trend for RION Co'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.

RION Co Insider Ownership Chart

RION Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Insider Ownership
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

RION Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Insider Ownership Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00
RIOXF
89GF Score
RION Co Ltd RIOXF
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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RION Co 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 0.00 % mean?
RION Co (RIOXF) has a Insider Ownership of 0.00 % as of Aug. 11, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on RION Co and its competitors.
Is RION Co's Insider Ownership too high?
RION Co's current Insider Ownership is 0.00 %. Overall, RION Co has a GF Score™ of 89/100, reflecting its overall financial health beyond just this single metric.
How does RION Co's Insider Ownership compare to ABT and SYK?
RION Co's Insider Ownership of 0.00 % can be compared against companies in the Medical Devices & Instruments 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 Medical Devices & Instruments company?
A good Insider Ownership depends on the Medical Devices & Instruments 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 RION Co and its competitors. RION Co's current Insider Ownership is 0.00 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is RION Co stock overvalued right now?
RION Co (RIOXF) has a current Insider Ownership of 0.00 %. The stock's GF Value™ is $11.39, compared to a current price of $14.63 — trading 28.4% above its estimated fair value. The current Insider Ownership is 0.00 %. RION Co's overall GF Score™ is 89/100 with 1 warning sign 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 RION Co (RIOXF), the current Insider Ownership is 0.00 % as of Aug. 11, 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.

Is RION Co (RIOXF) Overvalued in 2026?

Based on GuruFocus' analysis, RION Co stock appears to be overvalued. The current stock price of $14.63 is trading 28.4% above its estimated GF Value™ of $11.39.

Key valuation signals for RIOXF:

  • Insider Ownership: 0.00 %
  • GF Value™: $11.39 vs. price of $14.63 (28.4% above fair value)
  • GF Score™: 89/100 with 1 warning sign

No single metric tells the full story. See the RIOXF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

RION Co Business Description

Other Exchanges 6823:JapanG73:Germany
Address 3-20-41 Higashimotomachi, Kokubunji, Tokyo, JPN, 185-8533
RION Co Ltd is engaged in manufacturing and selling of maintenance services of a medical device. The company offers hearing instruments and medical equipment, an environmental device including sound and vibration measuring instruments and particle counters and parts and equipment.
89GF Score

Get the complete analysis for RIOXF

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

$14.63
Price
$11.39
GF Value