KAINOS Laboratories (TSE:4556) ROC (Joel Greenblatt) %: 11.98% (As of Mar. 2026) — 39% Below Median

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:4556 KAINOS Laboratories Inc TSE:4556
40 GF Score
Price 円2,268.00
GF Value 円1,284.11
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is KAINOS Laboratories ROC (Joel Greenblatt) %?

KAINOS Laboratories TSE:4556 40 ROC (Joel Greenblatt) % is 11.98% as of Mar. 2026, which is 39% below its 10-year median of 19.69. GuruFocus rates TSE:4556 with a GF Score™ of 40/100 and a GF Value™ of 円1,284.11 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 837 Medical Devices & Instruments companies, KAINOS Laboratories ranks better than 67.38% on this metric.

Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits). He defines ROC (Joel Greenblatt) % as EBIT divided by the total of Property, Plant and Equipment and net working capital. KAINOS Laboratories's annualized ROC (Joel Greenblatt) % for the quarter that ended in Mar. 2026 was 11.98%.

The historical rank and industry rank for KAINOS Laboratories's ROC (Joel Greenblatt) % or its related term are showing as below:

TSE:4556' s ROC (Joel Greenblatt) % Range Over the Past 10 Years
Min: 12.53   Med: 19.69   Max: 27.08
Current: 18.08

During the past 13 years, KAINOS Laboratories's highest ROC (Joel Greenblatt) % was 27.08%. The lowest was 12.53%. And the median was 19.69%.

TSE:4556's ROC (Joel Greenblatt) % is ranked better than
67.38% of 837 companies
in the Medical Devices & Instruments industry
Industry Median: 4.35 vs TSE:4556: 18.08

KAINOS Laboratories's 5-Year average Growth Rate of ROC (Joel Greenblatt) % was -1.50% per year.


KAINOS Laboratories  (TSE:4556) ROC (Joel Greenblatt) % Explanation

The way Joel Greenblatt defines Return on Capital is a more accurate measure of how efficiently the company generates returns onthe capital actually invested in the business. EBIT is used instead of net income because the tax and interest payment may be affected by factors other than the core business operation. Intangible assets are not included in the calculation because they don't need to be replaced.

Joel Greenblatt uses his definition of Return on Capital and Earnings Yield (Joel Greenblatt) % to rank companies.


KAINOS Laboratories ROC (Joel Greenblatt) % Related Terms


KAINOS Laboratories ROC (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for KAINOS Laboratories's ROC (Joel Greenblatt) % 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 ROC (Joel Greenblatt) % Chart

KAINOS Laboratories Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
ROC (Joel Greenblatt) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 24.72 26.28 27.08 23.10 18.83

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
ROC (Joel Greenblatt) % 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 22.03 26.33 19.61 23.15 11.98

TSE:4556 vs ISRG, BDX, MDLN: ROC (Joel Greenblatt) % Comparison

For the Medical Instruments & Supplies subindustry, KAINOS Laboratories's ROC (Joel Greenblatt) %, along with its competitors' market caps and ROC (Joel Greenblatt) % 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 ROC (Joel Greenblatt) % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, KAINOS Laboratories's ROC (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where KAINOS Laboratories's ROC (Joel Greenblatt) % falls into.


TSE:4556
40GF Score
KAINOS Laboratories Inc TSE:4556
ROC (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

KAINOS Laboratories ROC (Joel Greenblatt) % Calculation

Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits) . He defines Return on Capital as follows:

ROC (Joel Greenblatt) %=EBIT/Average of (Net fixed Assets + Net Working Capital)

EBIT stands for Earnings Before Interest and Taxes.

Fixed Assets are also known as non-current assets. They include the Property, Plant and Equipment that the firm needs in its operation.

GuruFocus calculates net working capital as: (Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Deferred Revenue + Other Current Liabilities). We're trying to account for OPERATING assets and liabilities (part of daily business) when calculating working capital. Cash and marketable securities are considered NON-OPERATING assets and are not included in calculation. We will also back out all interest bearing debt, short term debt and the portion of long term debt that is due in the current period from the current liabilities. This debt will be considered when computing cost of capital and it would be inappropriate to count it twice.

Working Capital(Q: Sep. 2025 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(1563.131 + 969.184 + 98.050999999999) - (596.521 + 0 + 704.78)
=1329.065

Working Capital(Q: Mar. 2026 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(1264.06 + 992.895 + 76.745000000001) - (1169.067 + 0 + 520.646)
=643.987

When net working capital is negative, 0 is used.

So ROC (Joel Greenblatt) % of KAINOS Laboratories for the quarter that ended in Mar. 2026 can be restated as:

ROC (Joel Greenblatt) %(Q: Mar. 2026 )
=EBIT/Average of (Net fixed Assets + Net Working Capital)
=EBIT/Average of (Property, Plant and Equipment+Net Working Capital)
     Q: Sep. 2025  Q: Mar. 2026
=EBIT/( ( (Property, Plant and Equipment + Net Working Capital) + (Property, Plant and Equipment + Net Working Capital) )/ count )
=420.394/( ( (2494.515 + max(1329.065, 0)) + (2549.744 + max(643.987, 0)) )/ 2 )
=420.394/( ( 3823.58 + 3193.731 )/ 2 )
=420.394/3508.6555
=11.98 %

Note: The EBIT data used here is two times the semi-annual (Mar. 2026) EBIT data.

* 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.

What does a ROC (Joel Greenblatt) % of 11.98% mean?
KAINOS Laboratories (TSE:4556) has a ROC (Joel Greenblatt) % of 11.98% as of Mar. 2026. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on KAINOS Laboratories and its competitors. This is 39% below median its historical median of 19.69. Over the past decade, KAINOS Laboratories' ROC (Joel Greenblatt) % has ranged from 12.53 to 27.08. According to the industry distribution chart, KAINOS Laboratories ranks #273 out of 837 companies in the Medical Devices & Instruments industry, placing it in the top 32.6%.
Is KAINOS Laboratories' ROC (Joel Greenblatt) % too high?
KAINOS Laboratories' current ROC (Joel Greenblatt) % of 11.98% is 39% below median its 10-year median of 19.69. Over the past 10 years, this metric has ranged from a low of 12.53 to a high of 27.08. The Medical Devices & Instruments industry median ROC (Joel Greenblatt) % is 4.35. KAINOS Laboratories' value of 11.98% is 175.4% above this industry median. Based on the distribution chart, KAINOS Laboratories ranks #273 out of 837 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, KAINOS Laboratories has a GF Score™ of 40/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does KAINOS Laboratories' ROC (Joel Greenblatt) % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, KAINOS Laboratories ranks #273 out of 837 companies for ROC (Joel Greenblatt) %. This puts KAINOS Laboratories in the upper half of its industry. The industry median ROC (Joel Greenblatt) % is 4.35. KAINOS Laboratories' value of 11.98% is 175.4% above this benchmark. Historically, KAINOS Laboratories' own ROC (Joel Greenblatt) % has ranged from 12.53 to 27.08 over the past decade. While the company's 10-year median is 19.69 vs. the industry median of 4.35, KAINOS Laboratories has consistently been above 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 ROC (Joel Greenblatt) % for a Medical Devices & Instruments company?
The median ROC (Joel Greenblatt) % among Medical Devices & Instruments companies is 4.35, based on 837 companies in the industry. Companies in the top quartile (top 25%) have a ROC (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, ROC (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. KAINOS Laboratories's current ROC (Joel Greenblatt) % of 11.98% is 175.4% above 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 ROC (Joel Greenblatt) % mean?
A high ROC (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on KAINOS Laboratories and its competitors. For the Medical Devices & Instruments industry, the median ROC (Joel Greenblatt) % is 4.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. KAINOS Laboratories's current ROC (Joel Greenblatt) % is 11.98%, which is 39% below median its own 10-year median of 19.69. 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1,284.11, compared to a current price of 円2,268.00 — trading 76.6% above its estimated fair value. The current ROC (Joel Greenblatt) % is 11.98%, which is 39% below median its 10-year median of 19.69 and 175.4% above the Medical Devices & Instruments industry median of 4.35. KAINOS Laboratories' overall GF Score™ is 40/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC (Joel Greenblatt) % calculated?
ROC (Joel Greenblatt) % is calculated from a company's financial statements. For KAINOS Laboratories (TSE:4556), the current ROC (Joel Greenblatt) % is 11.98% 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 76.6% above its estimated GF Value™ of 円1,284.11. GuruFocus considers KAINOS Laboratories to be Significantly Overvalued.

Key valuation signals for TSE:4556:

  • ROC (Joel Greenblatt) %: 11.98% (39% below median its 10-year median of 19.69)
  • GF Value™: 円1,284.11 vs. price of 円2,268.00 (76.6% above fair value)
  • GF Score™: 40/100 with 6 warning signs
  • Industry Position: 175.4% above the Medical Devices & Instruments median (#273 of 837)

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.
40GF Score

Get the complete analysis for TSE:4556

ROC (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円2,268.00
Price
円1,284.11
GF Value