KAINOS Laboratories (TSE:4556) GF Score: 39/100 (As of Jul. 14, 2026) — 53% Below Median

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Director of Data and Quant Analytics at GuruFocus
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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
39 GF Score
Price 円2,268.00
GF Value 円1,282.32
Valuation Significantly Overvalued
! 6 Warning Signs
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What is KAINOS Laboratories GF Score?

KAINOS Laboratories TSE:4556 39 GF Score is 39 as of Jul. 14, 2026, which is 53% below its 10-year median of 83.00. GuruFocus rates TSE:4556 with a GF Score™ of 39/100 and a GF Value™ of 円1,282.32 (Significantly Overvalued). The stock has 6 warning signs investors should review.

KAINOS Laboratories has the GF Score of 39, which implies that the company might have Worst future performance potential, or not enough data.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 9/10
2. Profitability Rank : 7/10
3. Growth Rank : 2/10
4. GF Value Rank : 1/10
5. Momentum Rank : 0/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes KAINOS Laboratories might have Worst future performance potential, or not enough data.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.


KAINOS Laboratories  (TSE:4556) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.


KAINOS Laboratories GF Score Related Terms


TSE:4556 vs ISRG, BDX, MDLN: GF Score Comparison

For the Medical Instruments & Supplies subindustry, KAINOS Laboratories's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Medical Devices & Instruments Industry

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

* The bar in red indicates where KAINOS Laboratories's GF Score falls into.


TSE:4556
39GF Score
KAINOS Laboratories Inc TSE:4556
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 39 mean?
KAINOS Laboratories (TSE:4556) has a GF Score of 39 as of Jul. 14, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on KAINOS Laboratories and its competitors. This is 53% below median its historical median of 83.00. Over the past decade, KAINOS Laboratories' GF Score has ranged from 30.00 to 90.00.
Is KAINOS Laboratories' GF Score too high?
KAINOS Laboratories' current GF Score of 39 is 53% below median its 10-year median of 83.00. Over the past 10 years, this metric has ranged from a low of 30.00 to a high of 90.00. 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' GF Score compare to ISRG and BDX?
KAINOS Laboratories' GF Score of 39 can be compared against companies in the Medical Devices & Instruments industry. Historically, KAINOS Laboratories' own GF Score has ranged from 30.00 to 90.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Medical Devices & Instruments company?
A good GF Score depends on the Medical Devices & Instruments industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on KAINOS Laboratories and its competitors. KAINOS Laboratories's current GF Score is 39, which is 53% below median its own 10-year median of 83.00. 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1,282.32, compared to a current price of 円2,268.00 — trading 76.9% above its estimated fair value. The current GF Score is 39, which is 53% below median its 10-year median of 83.00. 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 GF Score calculated?
GF Score is calculated from a company's financial statements. For KAINOS Laboratories (TSE:4556), the current GF Score is 39 as of Jul. 14, 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1,282.32. GuruFocus considers KAINOS Laboratories to be Significantly Overvalued.

Key valuation signals for TSE:4556:

  • GF Score: 39 (53% below median its 10-year median of 83.00)
  • GF Value™: 円1,282.32 vs. price of 円2,268.00 (76.9% above fair value)
  • GF Score™: 39/100 with 6 warning signs

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

円2,268.00
Price
円1,282.32
GF Value