Yamau Holdings Co (TSE:5284) GF Value Rank: 6 (As of Aug. 15, 2026) — 100% Above 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.
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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:5284 Yamau Holdings Co Ltd TSE:5284
70 GF Score
Price 円2,230.00
GF Value 円1,937.18
Valuation Modestly Overvalued
! 1 Warning Sign
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What is Yamau Holdings Co GF Value Rank?

Yamau Holdings Co TSE:5284 -0.67% 70 GF Value Rank is 6 as of Aug. 15, 2026, which is 100% above its 10-year median of 3.00. GuruFocus rates TSE:5284 with a GF Score™ of 70/100 and a GF Value™ of 円1,937.18 (Modestly Overvalued). The stock has 1 warning sign investors should review.

Yamau Holdings Co has the GF Value Rank of 6.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

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


Yamau Holdings Co GF Value Rank Related Terms


TSE:5284 vs CRH, VMC, MLM: GF Value Rank Comparison

For the Building Materials subindustry, Yamau Holdings Co's GF Value Rank, along with its competitors' market caps and GF Value Rank 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.


Yamau Holdings Co GF Value Rank vs Building Materials Industry

For the Building Materials industry and Basic Materials sector, Yamau Holdings Co's GF Value Rank distribution charts can be found below:

* The bar in red indicates where Yamau Holdings Co's GF Value Rank falls into.


TSE:5284
70GF Score
Yamau Holdings Co Ltd TSE:5284
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 6 mean?
Yamau Holdings Co (TSE:5284) has a GF Value Rank of 6 as of Aug. 15, 2026. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Yamau Holdings Co and its competitors. This is 100% above median its historical median of 3.00. Over the past decade, Yamau Holdings Co's GF Value Rank has ranged from 1.00 to 10.00.
Is Yamau Holdings Co's GF Value Rank too high?
Yamau Holdings Co's current GF Value Rank of 6 is 100% above median its 10-year median of 3.00. Over the past 10 years, this metric has ranged from a low of 1.00 to a high of 10.00. Overall, Yamau Holdings Co has a GF Score™ of 70/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Yamau Holdings Co's GF Value Rank compare to CRH and VMC?
Yamau Holdings Co's GF Value Rank of 6 can be compared against companies in the Building Materials industry. Historically, Yamau Holdings Co's own GF Value Rank has ranged from 1.00 to 10.00 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 Value Rank for a Building Materials company?
A good GF Value Rank depends on the Building Materials industry context. However, GF Value Rank 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 Value Rank mean?
A high GF Value Rank can signal that a stock is expensive relative to its fundamentals. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Yamau Holdings Co and its competitors. Yamau Holdings Co's current GF Value Rank is 6, which is 100% above median its own 10-year median of 3.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Yamau Holdings Co stock overvalued right now?
Based on GuruFocus' analysis, Yamau Holdings Co (TSE:5284) is currently considered Modestly Overvalued. The stock's GF Value™ is 円1,937.18, compared to a current price of 円2,230.00 — trading 15.1% above its estimated fair value. The current GF Value Rank is 6, which is 100% above median its 10-year median of 3.00. Yamau Holdings Co's overall GF Score™ is 70/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value Rank calculated?
GF Value Rank is calculated from a company's financial statements. For Yamau Holdings Co (TSE:5284), the current GF Value Rank is 6 as of Aug. 15, 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 Yamau Holdings Co (TSE:5284) Overvalued in 2026?

Based on GuruFocus' analysis, Yamau Holdings Co stock appears to be overvalued. The current stock price of 円2,230.00 is trading 15.1% above its estimated GF Value™ of 円1,937.18. GuruFocus considers Yamau Holdings Co to be Modestly Overvalued.

Key valuation signals for TSE:5284:

  • GF Value Rank: 6 (100% above median its 10-year median of 3.00)
  • GF Value™: 円1,937.18 vs. price of 円2,230.00 (15.1% above fair value)
  • GF Score™: 70/100 with 1 warning sign

No single metric tells the full story. See the TSE:5284 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Yamau Holdings Co Business Description

Address 5-15-7 Higashi Irube, Sawara-ku, Fukuoka Prefecture, Fukuoka, JPN, 811-1102
Yamau Holdings Co Ltd Is a Japan based company engaged in engineering, manufacturing and selling concrete products. It offers civil products, including river rocks, type retaining walls, sewer drains, functional concrete, and dam related products. The concrete product portfolio of the company comprises Aquapond S-type, Green rock, Kagomasu, Tameloop, Loop Arch, FA Box, Precast box culvert, fire protection water tank, power rock, super cliff, three side channel and YT channel, among others.
70GF Score

Get the complete analysis for TSE:5284

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

円2,230.00
Price
円1,937.18
GF Value