KAINOS Laboratories (TSE:4556) Gross Margin %: 45.65% (As of Mar. 2026) — Near Median


TSE:4556 KAINOS Laboratories Inc TSE:4556
39 GF Score
Price 円2,268.00
GF Value 円1,281.99
Valuation Significantly Overvalued
! 6 Warning Signs
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What is KAINOS Laboratories Gross Margin %?

KAINOS Laboratories TSE:4556 39 Gross Margin % is 45.65% as of Mar. 2026, which is 9% below its 10-year median of 50.44. GuruFocus rates TSE:4556 with a GF Score™ of 39/100 and a GF Value™ of 円1,281.99 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 803 Medical Devices & Instruments companies, KAINOS Laboratories ranks worse than 57.04% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. KAINOS Laboratories's Gross Profit for the six months ended in Mar. 2026 was 円1,238 Mil. KAINOS Laboratories's Revenue for the six months ended in Mar. 2026 was 円2,712 Mil. Therefore, KAINOS Laboratories's Gross Margin % for the quarter that ended in Mar. 2026 was 45.65%.

Warning Sign:

KAINOS Laboratories Inc gross margin has been in long-term decline. The average rate of decline per year is -2.3%.


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

TSE:4556' s Gross Margin % Range Over the Past 10 Years
Min: 46.1   Med: 50.44   Max: 54.28
Current: 47.31


During the past 13 years, the highest Gross Margin % of KAINOS Laboratories was 54.28%. The lowest was 46.10%. And the median was 50.44%.

TSE:4556's Gross Margin % is ranked worse than
57.04% of 803 companies
in the Medical Devices & Instruments industry
Industry Median: 52.03 vs TSE:4556: 47.31

KAINOS Laboratories had a gross margin of 45.65% for the quarter that ended in Mar. 2026 => Durable competitive advantage

The 5-Year average Growth Rate of Gross Margin for KAINOS Laboratories was -2.30% per year.


KAINOS Laboratories  (TSE:4556) 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

KAINOS Laboratories had a gross margin of 45.65% for the quarter that ended in Mar. 2026 => Durable competitive advantage


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.


KAINOS Laboratories Gross Margin % Related Terms


KAINOS Laboratories Gross Margin % Historical Data

* Premium members only.

The historical data trend for KAINOS Laboratories'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.

KAINOS Laboratories Gross Margin % Chart

KAINOS Laboratories Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Gross Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 52.17 51.05 50.46 50.41 47.31

KAINOS Laboratories Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
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 48.45 51.84 48.96 48.93 45.65

TSE:4556 vs ISRG, BDX, MDLN: Gross Margin % Comparison

For the Medical Instruments & Supplies subindustry, KAINOS Laboratories'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.


KAINOS Laboratories Gross Margin % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, KAINOS Laboratories's Gross Margin % distribution charts can be found below:

* The bar in red indicates where KAINOS Laboratories's Gross Margin % falls into.


TSE:4556
39GF Score
KAINOS Laboratories Inc TSE:4556
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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KAINOS Laboratories Gross Margin % Calculation

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

KAINOS Laboratories's Gross Margin for the fiscal year that ended in Mar. 2026 is calculated as

Gross Margin % (A: Mar. 2026 )=Gross Profit (A: Mar. 2026 ) / Revenue (A: Mar. 2026 )
=2592.4 / 5479.789
=(Revenue - Cost of Goods Sold) / Revenue
=(5479.789 - 2887.383) / 5479.789
=47.31 %

KAINOS Laboratories's Gross Margin for the quarter that ended in Mar. 2026 is calculated as


Gross Margin % (Q: Mar. 2026 )=Gross Profit (Q: Mar. 2026 ) / Revenue (Q: Mar. 2026 )
=1237.9 / 2711.715
=(Revenue - Cost of Goods Sold) / Revenue
=(2711.715 - 1473.849) / 2711.715
=45.65 %

* 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 45.65% mean?
KAINOS Laboratories (TSE:4556) has a Gross Margin % of 45.65% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on KAINOS Laboratories and its competitors. This is near median its historical median of 50.44. Over the past decade, KAINOS Laboratories' Gross Margin % has ranged from 46.10 to 54.28. According to the industry distribution chart, KAINOS Laboratories ranks #458 out of 803 companies in the Medical Devices & Instruments industry, placing it in the top 57%.
Is KAINOS Laboratories' Gross Margin % too high?
KAINOS Laboratories' current Gross Margin % of 45.65% is near median its 10-year median of 50.44. Over the past 10 years, this metric has ranged from a low of 46.10 to a high of 54.28. The Medical Devices & Instruments industry median Gross Margin % is 52.03. KAINOS Laboratories' value of 45.65% is 12.3% below this industry median. Based on the distribution chart, KAINOS Laboratories ranks #458 out of 803 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, KAINOS Laboratories has a GF Score™ of 39/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does KAINOS Laboratories' Gross Margin % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, KAINOS Laboratories ranks #458 out of 803 companies for Gross Margin %. This places KAINOS Laboratories in the lower half of its industry. The industry median Gross Margin % is 52.03. KAINOS Laboratories' value of 45.65% is 12.3% below this benchmark. Historically, KAINOS Laboratories' own Gross Margin % has ranged from 46.10 to 54.28 over the past decade. While the company's 10-year median is 50.44 vs. the industry median of 52.03, KAINOS Laboratories 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 Devices & Instruments company?
The median Gross Margin % among Medical Devices & Instruments companies is 52.03, based on 803 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. KAINOS Laboratories's current Gross Margin % of 45.65% is 12.3% 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 KAINOS Laboratories and its competitors. For the Medical Devices & Instruments industry, the median Gross Margin % is 52.03 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. KAINOS Laboratories's current Gross Margin % is 45.65%, which is near median its own 10-year median of 50.44. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is KAINOS Laboratories stock overvalued right now?
Based on GuruFocus' analysis, KAINOS Laboratories (TSE:4556) is currently considered Significantly Overvalued. The stock's GF Value™ is 円1,281.99, compared to a current price of 円2,268.00 — trading 76.9% above its estimated fair value. The current Gross Margin % is 45.65%, which is near median its 10-year median of 50.44 and 12.3% below the Medical Devices & Instruments industry median of 52.03. KAINOS Laboratories' overall GF Score™ is 39/100 with 6 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 KAINOS Laboratories (TSE:4556), the current Gross Margin % is 45.65% as of Mar. 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 KAINOS Laboratories (TSE:4556) Overvalued in 2026?

Based on GuruFocus' analysis, KAINOS Laboratories stock appears to be overvalued. The current stock price of 円2,268.00 is trading 76.9% above its estimated GF Value™ of 円1,281.99. GuruFocus considers KAINOS Laboratories to be Significantly Overvalued.

Key valuation signals for TSE:4556:

  • Gross Margin %: 45.65% (near median its 10-year median of 50.44)
  • GF Value™: 円1,281.99 vs. price of 円2,268.00 (76.9% above fair value)
  • GF Score™: 39/100 with 6 warning signs
  • Industry Position: 12.3% below the Medical Devices & Instruments median (#458 of 803)

No single metric tells the full story. See the TSE:4556 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


KAINOS Laboratories Business Description

Address 38-18, Hongo 2-chome, Bunkyo-ku, Tokyo, JPN
KAINOS Laboratories Inc is focused on the development, manufacture, marketing, distribution, and import/export of pharmaceuticals, diagnostic reagents, and related chemical products. It also manufactures, sells, and exports/imports physicochemical measuring equipment for medical use.
39GF Score

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

円2,268.00
Price
円1,281.99
GF Value