Cosmo Bio Co (TSE:3386) Buyback Yield %: -0.99 (As of Jul. 18, 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.

TSE:3386 Cosmo Bio Co Ltd TSE:3386
72 GF Score
Price 円1,234.00
GF Value 円1,248.34
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Cosmo Bio Co Buyback Yield %?

Cosmo Bio Co TSE:3386 72 Buyback Yield % is -0.99 as of Jul. 18, 2026. GuruFocus rates TSE:3386 with a GF Score™ of 72/100 and a GF Value™ of 円1,248.34 (Fairly Valued). The stock has 4 warning signs investors should review. Among 90 Medical Diagnostics & Research companies, Cosmo Bio Co ranks better than 51.11% on this metric.

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Cosmo Bio Co's current buyback yield was -0.99%.


Cosmo Bio Co Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Cosmo Bio Co's Buyback Yield % 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.

Cosmo Bio Co Buyback Yield % Chart

Cosmo Bio Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.88 0.00 0.00 4.82 -0.93

Cosmo Bio Co Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Buyback Yield % 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 4.82 0.00 -0.93

TSE:3386 vs TMO, DHR, IDXX: Buyback Yield % Comparison

For the Diagnostics & Research subindustry, Cosmo Bio Co's Buyback Yield %, along with its competitors' market caps and Buyback Yield % 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.


Cosmo Bio Co Buyback Yield % vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, Cosmo Bio Co's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Cosmo Bio Co's Buyback Yield % falls into.


TSE:3386
72GF Score
Cosmo Bio Co Ltd TSE:3386
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Cosmo Bio Co Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Cosmo Bio Co's Buyback Yield for the fiscal year that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (-86 + 155) / 7398.896
=-0.93%

Cosmo Bio Co's annualized Buyback Yield for the quarter that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (-86 + 155) / 7398.896
=-0.93%

* 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.

** If the quarter corresponds to the year-end period, we will use the annual Repurchase of Stock and Issuance of Stock data .

Frequently Asked Questions Learn more about Buyback Yield % →
What does a Buyback Yield % of -0.99 mean?
Cosmo Bio Co (TSE:3386) has a Buyback Yield % of -0.99 as of Jul. 18, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Cosmo Bio Co and its competitors. According to the industry distribution chart, Cosmo Bio Co ranks #44 out of 90 companies in the Medical Diagnostics & Research industry, placing it in the top 48.9%.
Is Cosmo Bio Co's Buyback Yield % too high?
Cosmo Bio Co's current Buyback Yield % is -0.99. Based on the distribution chart, Cosmo Bio Co ranks #44 out of 90 companies in the Medical Diagnostics & Research industry, which is above the industry midpoint. Overall, Cosmo Bio Co has a GF Score™ of 72/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Cosmo Bio Co's Buyback Yield % compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Cosmo Bio Co ranks #44 out of 90 companies for Buyback Yield %. This puts Cosmo Bio Co in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for a Medical Diagnostics & Research company?
A good Buyback Yield % depends on the Medical Diagnostics & Research industry context. However, Buyback Yield % 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 Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Cosmo Bio Co and its competitors. Cosmo Bio Co's current Buyback Yield % is -0.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Cosmo Bio Co stock overvalued right now?
Based on GuruFocus' analysis, Cosmo Bio Co (TSE:3386) is currently considered Fairly Valued. The stock's GF Value™ is 円1,248.34, compared to a current price of 円1,234.00 — trading 1.1% below its estimated fair value. The current Buyback Yield % is -0.99. Cosmo Bio Co's overall GF Score™ is 72/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Cosmo Bio Co (TSE:3386), the current Buyback Yield % is -0.99 as of Jul. 18, 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 Cosmo Bio Co (TSE:3386) Overvalued in 2026?

Based on GuruFocus' analysis, Cosmo Bio Co stock appears to be undervalued. The current stock price of 円1,234.00 is trading 1.1% below its estimated GF Value™ of 円1,248.34. GuruFocus considers Cosmo Bio Co to be Fairly Valued.

Key valuation signals for TSE:3386:

  • Buyback Yield %: -0.99
  • GF Value™: 円1,248.34 vs. price of 円1,234.00 (1.1% below fair value)
  • GF Score™: 72/100 with 4 warning signs

No single metric tells the full story. See the TSE:3386 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Cosmo Bio Co Business Description

Address 2-20, Toyo-Ekimae Building, Toyo 2-Chome, Koto-ku, Tokyo, JPN, 135-0016
Cosmo Bio Co Ltd is a diagnostic and research company based in Japan. The business of the company includes the purchase of reagents, instruments, and clinical test drugs for research in life science and domestic sales.
72GF Score

Get the complete analysis for TSE:3386

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

円1,234.00
Price
円1,248.34
GF Value