SUMCO (TSE:3436) Common Stock: 円199,034 Mil (As of Dec. 2025)

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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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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:3436 SUMCO Corp TSE:3436
63 GF Score
Price 円3,914.00
GF Value 円1,799.04
Valuation Significantly Overvalued
! 5 Warning Signs
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What is SUMCO Common Stock?

SUMCO TSE:3436 -15.17% 63 Common Stock is 円199,034 Mil as of Dec. 2025. GuruFocus rates TSE:3436 with a GF Score™ of 63/100 and a GF Value™ of 円1,799.04 (Significantly Overvalued). The stock has 5 warning signs investors should review.

SUMCO's quarterly common stock stayed the same from Jun. 2025 (円199,034 Mil) to Sep. 2025 (円199,034 Mil) and stayed the same from Sep. 2025 (円199,034 Mil) to Dec. 2025 (円199,034 Mil).

SUMCO's annual common stock stayed the same from Dec. 2023 (円199,034 Mil) to Dec. 2024 (円199,034 Mil) and stayed the same from Dec. 2024 (円199,034 Mil) to Dec. 2025 (円199,034 Mil).

SUMCO Common Stock Historical Data

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The historical data trend for SUMCO's Common Stock 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.

SUMCO Common Stock Chart

SUMCO Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Common Stock
Get a 7-Day Free Trial Premium Member Only Premium Member Only 199,034.00 199,034.00 199,034.00 199,034.00 199,034.00

SUMCO Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Common Stock 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 199,034.00 199,034.00 199,034.00 199,034.00 199,034.00
TSE:3436
63GF Score
SUMCO Corp TSE:3436
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
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SUMCO Common Stock Calculation

Common stock is listed on the Balance Sheet at the par value of the total shares outstanding of a company.

The par value of common stocks is meaningless. It is usually set at an absurdly low number.

Frequently Asked Questions Learn more about Common Stock →
What does a Common Stock of 円199,034 Mil mean?
SUMCO (TSE:3436) has a Common Stock of 円199,034 Mil as of Dec. 2025. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on SUMCO and its competitors.
Is SUMCO's Common Stock too high?
SUMCO's current Common Stock is 円199,034 Mil. Overall, SUMCO has a GF Score™ of 63/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does SUMCO's Common Stock compare to AMAT and LRCX?
SUMCO's Common Stock of 円199,034 Mil can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Common Stock for a Semiconductors company?
A good Common Stock depends on the Semiconductors industry context. However, Common Stock 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 Common Stock mean?
A high Common Stock can signal that a stock is expensive relative to its fundamentals. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on SUMCO and its competitors. SUMCO's current Common Stock is 円199,034 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SUMCO stock overvalued right now?
Based on GuruFocus' analysis, SUMCO (TSE:3436) is currently considered Significantly Overvalued. The stock's GF Value™ is 円1,799.04, compared to a current price of 円3,914.00 — trading 117.6% above its estimated fair value. The current Common Stock is 円199,034 Mil. SUMCO's overall GF Score™ is 63/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Common Stock calculated?
Common Stock is calculated from a company's financial statements. For SUMCO (TSE:3436), the current Common Stock is 円199,034 Mil as of Dec. 2025. 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 SUMCO (TSE:3436) Overvalued in 2026?

Based on GuruFocus' analysis, SUMCO stock appears to be overvalued. The current stock price of 円3,914.00 is trading 117.6% above its estimated GF Value™ of 円1,799.04. GuruFocus considers SUMCO to be Significantly Overvalued.

Key valuation signals for TSE:3436:

  • Common Stock: 円199,034 Mil
  • GF Value™: 円1,799.04 vs. price of 円3,914.00 (117.6% above fair value)
  • GF Score™: 63/100 with 5 warning signs

No single metric tells the full story. See the TSE:3436 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

SUMCO Business Description

Address 1-2-1 Shibaura, Minato-ku, Tokyo, JPN, 105-8634
Founded in 1999 as a joint venture between Nippon Steel and two Mitsubishi entities, Sumco is the world's second-largest semiconductor-grade silicon wafer manufacturer, with an estimated 21% market share in 2025. Sumco is headquartered in Tokyo and operates seven production sites across Japan. It also maintains sales and support offices in Taiwan, the US, the UK, Indonesia, and Singapore. Sumco sells to most semiconductor manufacturers like TSMC, Intel, Samsung, and Micron. The firm employs over 9,700 people.
63GF Score

Get the complete analysis for TSE:3436

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

円3,914.00
Price
円1,799.04
GF Value