Cosmo Bio Co (TSE:3386) Gross Margin %: 34.23% (As of Dec. 2025) — Near Median


TSE:3386 Cosmo Bio Co Ltd TSE:3386
71 GF Score
Price 円1,239.00
GF Value 円1,244.50
Valuation Fairly Valued
! 4 Warning Signs
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What is Cosmo Bio Co Gross Margin %?

Cosmo Bio Co TSE:3386 -0.32% 71 Gross Margin % is 34.23% as of Dec. 2025, which is 6% below its 10-year median of 36.32. GuruFocus rates TSE:3386 with a GF Score™ of 71/100 and a GF Value™ of 円1,244.50 (Fairly Valued). The stock has 4 warning signs investors should review. Among 195 Medical Diagnostics & Research companies, Cosmo Bio Co ranks worse than 69.74% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. Cosmo Bio Co's Gross Profit for the six months ended in Dec. 2025 was 円1,836 Mil. Cosmo Bio Co's Revenue for the six months ended in Dec. 2025 was 円5,364 Mil. Therefore, Cosmo Bio Co's Gross Margin % for the quarter that ended in Dec. 2025 was 34.23%.

Warning Sign:

Cosmo Bio Co Ltd gross margin has been in long-term decline. The average rate of decline per year is -3.4%.


The historical rank and industry rank for Cosmo Bio Co's Gross Margin % or its related term are showing as below:

TSE:3386' s Gross Margin % Range Over the Past 10 Years
Min: 33.17   Med: 36.32   Max: 39.63
Current: 34.39


During the past 13 years, the highest Gross Margin % of Cosmo Bio Co was 39.63%. The lowest was 33.17%. And the median was 36.32%.

TSE:3386's Gross Margin % is ranked worse than
69.74% of 195 companies
in the Medical Diagnostics & Research industry
Industry Median: 50.97 vs TSE:3386: 34.39

Cosmo Bio Co had a gross margin of 34.23% for the quarter that ended in Dec. 2025 => Competition eroding margins

The 5-Year average Growth Rate of Gross Margin for Cosmo Bio Co was -3.40% per year.


Cosmo Bio Co  (TSE:3386) Gross Margin % Explanation

Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.

Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %

1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key

Cosmo Bio Co had a gross margin of 34.23% for the quarter that ended in Dec. 2025 => Competition eroding margins


Be Aware

If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.


Cosmo Bio Co Gross Margin % Related Terms


Cosmo Bio Co Gross Margin % Historical Data

* Premium members only.

The historical data trend for Cosmo Bio Co's Gross Margin % 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 Gross Margin % Chart

Cosmo Bio Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Gross Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 39.63 36.01 34.79 33.17 34.39

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
Gross Margin % 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 32.88 33.38 32.95 34.54 34.23

TSE:3386 vs TMO, DHR, IDXX: Gross Margin % Comparison

For the Diagnostics & Research subindustry, Cosmo Bio Co's Gross Margin %, along with its competitors' market caps and Gross Margin % 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 Gross Margin % vs Medical Diagnostics & Research Industry

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

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


TSE:3386
71GF Score
Cosmo Bio Co Ltd TSE:3386
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Cosmo Bio Co Gross Margin % Calculation

Gross Margin is the percentage of Gross Profit out of sales or Revenue.

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

Gross Margin % (A: Dec. 2025 )=Gross Profit (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=3702 / 10766
=(Revenue - Cost of Goods Sold) / Revenue
=(10766 - 7064) / 10766
=34.39 %

Cosmo Bio Co's Gross Margin for the quarter that ended in Dec. 2025 is calculated as


Gross Margin % (Q: Dec. 2025 )=Gross Profit (Q: Dec. 2025 ) / Revenue (Q: Dec. 2025 )
=1836 / 5364
=(Revenue - Cost of Goods Sold) / Revenue
=(5364 - 3528) / 5364
=34.23 %

* 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.

A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.

Frequently Asked Questions Learn more about Gross Margin % →
What does a Gross Margin % of 34.23% mean?
Cosmo Bio Co (TSE:3386) has a Gross Margin % of 34.23% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Cosmo Bio Co and its competitors. This is near median its historical median of 36.32. Over the past decade, Cosmo Bio Co's Gross Margin % has ranged from 33.17 to 39.63. According to the industry distribution chart, Cosmo Bio Co ranks #136 out of 195 companies in the Medical Diagnostics & Research industry, placing it in the top 69.7%.
Is Cosmo Bio Co's Gross Margin % too high?
Cosmo Bio Co's current Gross Margin % of 34.23% is near median its 10-year median of 36.32. Over the past 10 years, this metric has ranged from a low of 33.17 to a high of 39.63. The Medical Diagnostics & Research industry median Gross Margin % is 50.97. Cosmo Bio Co's value of 34.23% is 32.8% below this industry median. Based on the distribution chart, Cosmo Bio Co ranks #136 out of 195 companies in the Medical Diagnostics & Research industry, which is below the industry midpoint. Overall, Cosmo Bio Co has a GF Score™ of 71/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Cosmo Bio Co's Gross Margin % compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Cosmo Bio Co ranks #136 out of 195 companies for Gross Margin %. This places Cosmo Bio Co in the lower half of its industry. The industry median Gross Margin % is 50.97. Cosmo Bio Co's value of 34.23% is 32.8% below this benchmark. Historically, Cosmo Bio Co's own Gross Margin % has ranged from 33.17 to 39.63 over the past decade. While the company's 10-year median is 36.32 vs. the industry median of 50.97, Cosmo Bio Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Gross Margin % for a Medical Diagnostics & Research company?
The median Gross Margin % among Medical Diagnostics & Research companies is 50.97, based on 195 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Cosmo Bio Co's current Gross Margin % of 34.23% is 32.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Cosmo Bio Co and its competitors. For the Medical Diagnostics & Research industry, the median Gross Margin % is 50.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Cosmo Bio Co's current Gross Margin % is 34.23%, which is near median its own 10-year median of 36.32. 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1,244.50, compared to a current price of 円1,239.00 — trading 0.4% below its estimated fair value. The current Gross Margin % is 34.23%, which is near median its 10-year median of 36.32 and 32.8% below the Medical Diagnostics & Research industry median of 50.97. Cosmo Bio Co's overall GF Score™ is 71/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Cosmo Bio Co (TSE:3386), the current Gross Margin % is 34.23% as of Dec. 2025. 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1,239.00 is trading 0.4% below its estimated GF Value™ of 円1,244.50. GuruFocus considers Cosmo Bio Co to be Fairly Valued.

Key valuation signals for TSE:3386:

  • Gross Margin %: 34.23% (near median its 10-year median of 36.32)
  • GF Value™: 円1,244.50 vs. price of 円1,239.00 (0.4% below fair value)
  • GF Score™: 71/100 with 4 warning signs
  • Industry Position: 32.8% below the Medical Diagnostics & Research median (#136 of 195)

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.
71GF Score

Get the complete analysis for TSE:3386

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

円1,239.00
Price
円1,244.50
GF Value