STMNF (Sumitomo Metal Mining Co) Book Value per Share: $48.33 (As of Mar. 2026)


STMNF Sumitomo Metal Mining Co Ltd STMNF
78 GF Score
Price $47.75
GF Value $33.16
Valuation Modestly Overvalued
! 6 Warning Signs
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What is Sumitomo Metal Mining Co Book Value per Share?

Sumitomo Metal Mining Co STMNF 78 Book Value per Share is $48.33 as of Mar. 2026. GuruFocus rates STMNF with a GF Score™ of 78/100 and a GF Value™ of $33.16 (Modestly Overvalued). The stock has 6 warning signs investors should review.

Sumitomo Metal Mining Co's book value per share for the quarter that ended in Mar. 2026 was $48.33.

During the past 12 months, Sumitomo Metal Mining Co's average Book Value Per Share Growth Rate was 14.30% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 8.90% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 12.10% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 8.90% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Sumitomo Metal Mining Co was 26.90% per year. The lowest was -1.70% per year. And the median was 8.65% per year.

Sumitomo Metal Mining Co's current price is $47.75. Its book value per share for the quarter that ended in Mar. 2026 was $48.33. Hence, today's PB Ratio of Sumitomo Metal Mining Co is 0.99.

During the past 13 years, the highest P/B Ratio of Sumitomo Metal Mining Co was 1.80. The lowest was 0.40. And the median was 0.86.


Sumitomo Metal Mining Co  (OTCPK:STMNF) Book Value per Share Explanation

Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.

For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.


Sumitomo Metal Mining Co Book Value per Share Related Terms


Sumitomo Metal Mining Co Book Value per Share Historical Data

* Premium members only.

The historical data trend for Sumitomo Metal Mining Co's Book Value per Share 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.

Sumitomo Metal Mining Co Book Value per Share Chart

Sumitomo Metal Mining Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Book Value per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 44.36 44.43 43.37 45.03 48.33

Sumitomo Metal Mining Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Book Value per Share 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 45.03 45.48 45.11 45.07 48.33

Sumitomo Metal Mining Co Book Value per Share Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Sumitomo Metal Mining Co's PB Ratio, along with its competitors' market caps and PB Ratio 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.


Sumitomo Metal Mining Co PB Ratio vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Sumitomo Metal Mining Co's PB Ratio distribution charts can be found below:

* The bar in red indicates where Sumitomo Metal Mining Co's PB Ratio falls into.


STMNF
78GF Score
Sumitomo Metal Mining Co Ltd STMNF
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
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Sumitomo Metal Mining Co Book Value per Share Calculation

Sumitomo Metal Mining Co's Book Value Per Share for the fiscal year that ended in Mar. 2026 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(13,075-0)/271
=48.33

Sumitomo Metal Mining Co's Book Value Per Share for the quarter that ended in Mar. 2026 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(13,075-0)/271
=48.33

* 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.

Theoretically it is what the shareholders will receive if the company is liquidated. Total Stockholders Equity is a balance sheet item and equal to Total Assets less Total Liabilities of the company.

Book value may include intangible items which may come from the company's past acquisitions. Book value less intangibles is called Tangible Book.

Frequently Asked Questions Learn more about Book Value per Share →
What does a Book Value per Share of $48.33 mean?
Sumitomo Metal Mining Co (STMNF) has a Book Value per Share of $48.33 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Sumitomo Metal Mining Co and its competitors.
Is Sumitomo Metal Mining Co's Book Value per Share too high?
Sumitomo Metal Mining Co's current Book Value per Share is $48.33. Overall, Sumitomo Metal Mining Co has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sumitomo Metal Mining Co's Book Value per Share compare to competitors?
Sumitomo Metal Mining Co's Book Value per Share of $48.33 can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for a Metals & Mining company?
A good Book Value per Share depends on the Metals & Mining industry context. However, Book Value per Share 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 Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Sumitomo Metal Mining Co and its competitors. Sumitomo Metal Mining Co's current Book Value per Share is $48.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sumitomo Metal Mining Co stock overvalued right now?
Based on GuruFocus' analysis, Sumitomo Metal Mining Co (STMNF) is currently considered Modestly Overvalued. The stock's GF Value™ is $33.16, compared to a current price of $47.75 — trading 44% above its estimated fair value. The current Book Value per Share is $48.33. Sumitomo Metal Mining Co's overall GF Score™ is 78/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Sumitomo Metal Mining Co (STMNF), the current Book Value per Share is $48.33 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 Sumitomo Metal Mining Co (STMNF) Overvalued in 2026?

Based on GuruFocus' analysis, Sumitomo Metal Mining Co stock appears to be overvalued. The current stock price of $47.75 is trading 44% above its estimated GF Value™ of $33.16. GuruFocus considers Sumitomo Metal Mining Co to be Modestly Overvalued.

Key valuation signals for STMNF:

  • Book Value per Share: $48.33
  • GF Value™: $33.16 vs. price of $47.75 (44% above fair value)
  • GF Score™: 78/100 with 6 warning signs

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


Sumitomo Metal Mining Co Business Description

Address 5-11-3 Shinbashi, Shinbashi Sumitomo Building, Minato-ku, Tokyo, JPN, 105-8716
Sumitomo Metal Mining Co Ltd is a Japan-based company engaged in the mining business. The company operates through three segments. The Material segment manufactures and sells battery materials, powder and crystalline materials, tape materials, catalysts, and related products. The Resource segment focuses on the exploration, development, production, and sale of nonferrous metal resources in Japan and overseas. The Smelting segment engages in the smelting and sale of copper, nickel, ferronickel, zinc, and precious metals, including gold, silver, platinum, and palladium. The Others segment covers real estate and engineering businesses. It generates the majority of its revenue from the Smelting segment.
78GF Score

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

$47.75
Price
$33.16
GF Value