SERNF (Seiren Co) Insider Ownership: 0.00 % (As of Aug. 17, 2026)

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SERNF Seiren Co Ltd SERNF
91 GF Score
Price $19.50
GF Value $18.50
! 3 Warning Signs
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What is Seiren Co Insider Ownership?

Seiren Co SERNF 91 Insider Ownership is 0.00 % as of Aug. 17, 2026. GuruFocus rates SERNF with a GF Score™ of 91/100 and a GF Value™ of $18.50. 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, Seiren 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, Seiren Co's Institutional Ownership is 18.33%.

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

Seiren Co Insider Ownership Historical Data

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The historical data trend for Seiren 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.

Seiren Co Insider Ownership Chart

Seiren 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

Seiren 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
SERNF
91GF Score
Seiren Co Ltd SERNF
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Seiren 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?
Seiren Co (SERNF) has a Insider Ownership of 0.00 % as of Aug. 17, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Seiren Co and its competitors.
Is Seiren Co's Insider Ownership too high?
Seiren Co's current Insider Ownership is 0.00 %. Overall, Seiren Co has a GF Score™ of 91/100, reflecting its overall financial health beyond just this single metric.
How does Seiren Co's Insider Ownership compare to competitors?
Seiren Co's Insider Ownership of 0.00 % can be compared against companies in the Manufacturing - Apparel & Accessories 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 Manufacturing - Apparel & Accessories company?
A good Insider Ownership depends on the Manufacturing - Apparel & Accessories 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 Seiren Co and its competitors. Seiren 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 Seiren Co stock overvalued right now?
Seiren Co (SERNF) has a current Insider Ownership of 0.00 %. The stock's GF Value™ is $18.50, compared to a current price of $19.50 — trading 5.4% above its estimated fair value. The current Insider Ownership is 0.00 %. Seiren Co's overall GF Score™ is 91/100 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 Seiren Co (SERNF), the current Insider Ownership is 0.00 % 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.

Is Seiren Co (SERNF) Overvalued in 2026?

Based on GuruFocus' analysis, Seiren Co stock appears to be overvalued. The current stock price of $19.50 is trading 5.4% above its estimated GF Value™ of $18.50.

Key valuation signals for SERNF:

  • Insider Ownership: 0.00 %
  • GF Value™: $18.50 vs. price of $19.50 (5.4% above fair value)
  • GF Score™: 91/100 with 3 warning signs

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

Seiren Co Business Description

Other Exchanges 3569:Japan1AB:Germany
Address 1-10-1 Keya, Fukui-ku, Fukui, JPN, 918-8003
Seiren Co Ltd is a Japan-based fiber manufacturing company. It is a dyeing processor of filament fibers. The company also produces silk, synthetic fibers and textile products used in household interior and apparel. It manufactures industrial materials including automobile interiors such as seats and air bags. The company's segment includes Automotive Interior, High Fashion, Electronics, Environment and Life Materials, Medical and Other. The company generates the majority of its revenue from the Automotive Interior segment.
91GF Score

Get the complete analysis for SERNF

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

$19.50
Price
$18.50
GF Value