Tsubota Laboratory (TSE:4890) ROC (Joel Greenblatt) %: -2,692.49% (As of Mar. 2026)

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TSE:4890 Tsubota Laboratory Inc TSE:4890
61 GF Score
Price 円241.00
GF Value 円82.31
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Tsubota Laboratory ROC (Joel Greenblatt) %?

Tsubota Laboratory TSE:4890 +0.42% 61 ROC (Joel Greenblatt) % is -2,692.49% as of Mar. 2026. GuruFocus rates TSE:4890 with a GF Score™ of 61/100 and a GF Value™ of 円82.31 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 837 Medical Devices & Instruments companies, Tsubota Laboratory ranks worse than 93.67% 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. Tsubota Laboratory's annualized ROC (Joel Greenblatt) % for the quarter that ended in Mar. 2026 was -2,692.49%.

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

TSE:4890' s ROC (Joel Greenblatt) % Range Over the Past 10 Years
Min: -1210.05   Med: 153.55   Max: 317.67
Current: -1210.05

During the past 7 years, Tsubota Laboratory's highest ROC (Joel Greenblatt) % was 317.67%. The lowest was -1210.05%. And the median was 153.55%.

TSE:4890's ROC (Joel Greenblatt) % is ranked worse than
93.67% of 837 companies
in the Medical Devices & Instruments industry
Industry Median: 4.35 vs TSE:4890: -1210.05

Tsubota Laboratory's 5-Year average Growth Rate of ROC (Joel Greenblatt) % was 0.00% per year.


Tsubota Laboratory  (TSE:4890) 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.


Tsubota Laboratory ROC (Joel Greenblatt) % Related Terms


Tsubota Laboratory ROC (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Tsubota Laboratory'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.

Tsubota Laboratory ROC (Joel Greenblatt) % Chart

Tsubota Laboratory Annual Data
Trend Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
ROC (Joel Greenblatt) %
Get a 7-Day Free Trial 153.55 195.06 -972.95 317.67 -999.32

Tsubota Laboratory Semi-Annual Data
Mar20 Mar21 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 -780.56 135.98 328.29 -825.18 -2,692.49

TSE:4890 vs ABT, SYK, MDT: ROC (Joel Greenblatt) % Comparison

For the Medical Devices subindustry, Tsubota Laboratory'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.


Tsubota Laboratory ROC (Joel Greenblatt) % vs Medical Devices & Instruments Industry

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

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


TSE:4890
61GF Score
Tsubota Laboratory Inc TSE:4890
ROC (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tsubota Laboratory 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)
=(56.345 + 285.5 + 110.586) - (82.704 + 0 + 433.576)
=-63.849

Working Capital(Q: Mar. 2026 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(14.463 + 188.924 + 107.853) - (96.508 + 0 + 289.201)
=-74.469

When net working capital is negative, 0 is used.

So ROC (Joel Greenblatt) % of Tsubota Laboratory 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 )
=-854.878/( ( (36.326 + max(-63.849, 0)) + (27.175 + max(-74.469, 0)) )/ 2 )
=-854.878/( ( 36.326 + 27.175 )/ 2 )
=-854.878/31.7505
=-2,692.49 %

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 -2,692.49% mean?
Tsubota Laboratory (TSE:4890) has a ROC (Joel Greenblatt) % of -2,692.49% 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 Tsubota Laboratory and its competitors. According to the industry distribution chart, Tsubota Laboratory ranks #784 out of 837 companies in the Medical Devices & Instruments industry, placing it in the top 93.7%.
Is Tsubota Laboratory's ROC (Joel Greenblatt) % too high?
Tsubota Laboratory's current ROC (Joel Greenblatt) % is -2,692.49%. Based on the distribution chart, Tsubota Laboratory ranks #784 out of 837 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Tsubota Laboratory has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tsubota Laboratory's ROC (Joel Greenblatt) % compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Tsubota Laboratory ranks #784 out of 837 companies for ROC (Joel Greenblatt) %. This places Tsubota Laboratory in the lower half of its industry. The industry median ROC (Joel Greenblatt) % is 4.35. 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. 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 Tsubota Laboratory 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. Tsubota Laboratory's current ROC (Joel Greenblatt) % is -2,692.49%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tsubota Laboratory stock overvalued right now?
Based on GuruFocus' analysis, Tsubota Laboratory (TSE:4890) is currently considered Significantly Overvalued. The stock's GF Value™ is 円82.31, compared to a current price of 円241.00 — trading 192.8% above its estimated fair value. The current ROC (Joel Greenblatt) % is -2,692.49%. Tsubota Laboratory's overall GF Score™ is 61/100 with 4 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 Tsubota Laboratory (TSE:4890), the current ROC (Joel Greenblatt) % is -2,692.49% 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 Tsubota Laboratory (TSE:4890) Overvalued in 2026?

Based on GuruFocus' analysis, Tsubota Laboratory stock appears to be overvalued. The current stock price of 円241.00 is trading 192.8% above its estimated GF Value™ of 円82.31. GuruFocus considers Tsubota Laboratory to be Significantly Overvalued.

Key valuation signals for TSE:4890:

  • ROC (Joel Greenblatt) %: -2,692.49%
  • GF Value™: 円82.31 vs. price of 円241.00 (192.8% above fair value)
  • GF Score™: 61/100 with 4 warning signs

No single metric tells the full story. See the TSE:4890 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tsubota Laboratory Business Description

Address 34 Shinanomachi, 304 Toshin Shinanomachi-ekimae Building, Shinjuku-ku, Tokyo, JPN, 160-0016
Tsubota Laboratory Inc is engaged in the research and development of pharmaceuticals and medical devices for the treatment of myopia, dry eyes, and presbyopia.
61GF Score

Get the complete analysis for TSE:4890

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

円241.00
Price
円82.31
GF Value