SUMCO (STU:S3X) Inventories, Raw Materials & Components: €1,054 Mil (As of Dec. 2025)

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STU:S3X SUMCO Corp STU:S3X
66 GF Score
Price €26.95
GF Value €9.62
Valuation Significantly Overvalued
! 8 Warning Signs
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What is SUMCO Inventories, Raw Materials & Components?

SUMCO STU:S3X -9.26% 66 Inventories, Raw Materials & Components is €1,054 Mil as of Dec. 2025. GuruFocus rates STU:S3X with a GF Score™ of 66/100 and a GF Value™ of €9.62 (Significantly Overvalued). The stock has 8 warning signs investors should review.

SUMCO's inventories, raw materials & components for the quarter that ended in Dec. 2025 was €1,054 Mil.

SUMCO's quarterly raw materials declined from Jun. 2025 (€1,118 Mil) to Sep. 2025 (€1,085 Mil) and declined from Sep. 2025 (€1,085 Mil) to Dec. 2025 (€1,054 Mil).

SUMCO's annual raw materials increased from Dec. 2023 (€1,060 Mil) to Dec. 2024 (€1,109 Mil) but then declined from Dec. 2024 (€1,109 Mil) to Dec. 2025 (€1,054 Mil).

SUMCO Inventories, Raw Materials & Components Historical Data

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The historical data trend for SUMCO's Inventories, Raw Materials & Components 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 Inventories, Raw Materials & Components Chart

SUMCO Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Inventories, Raw Materials & Components
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1,049.46 947.82 1,059.70 1,108.64 1,054.20

SUMCO Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Inventories, Raw Materials & Components 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 1,121.26 1,117.68 1,084.88 1,054.20 1,070.26
STU:S3X
66GF Score
SUMCO Corp STU:S3X
Inventories, Raw Materials & Components is just one metric. See GF Score™, valuation, warning signs, and more.
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SUMCO Inventories, Raw Materials & Components Calculation

Materials and components scheduled for use in making a product.

What does a Inventories, Raw Materials & Components of €1,054 Mil mean?
SUMCO (STU:S3X) has a Inventories, Raw Materials & Components of €1,054 Mil as of Dec. 2025. Raw materials are the components a company uses for its main products. View historical data on SUMCO and its competitors.
Is SUMCO's Inventories, Raw Materials & Components too high?
SUMCO's current Inventories, Raw Materials & Components is €1,054 Mil. Overall, SUMCO has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does SUMCO's Inventories, Raw Materials & Components compare to AMAT and LRCX?
SUMCO's Inventories, Raw Materials & Components of €1,054 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 Inventories, Raw Materials & Components for a Semiconductors company?
A good Inventories, Raw Materials & Components depends on the Semiconductors industry context. However, Inventories, Raw Materials & Components 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 Inventories, Raw Materials & Components mean?
A high Inventories, Raw Materials & Components can signal that a stock is expensive relative to its fundamentals. Raw materials are the components a company uses for its main products. View historical data on SUMCO and its competitors. SUMCO's current Inventories, Raw Materials & Components is €1,054 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 (STU:S3X) is currently considered Significantly Overvalued. The stock's GF Value™ is €9.62, compared to a current price of €26.95 — trading 180.1% above its estimated fair value. The current Inventories, Raw Materials & Components is €1,054 Mil. SUMCO's overall GF Score™ is 66/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Inventories, Raw Materials & Components calculated?
Inventories, Raw Materials & Components is calculated from a company's financial statements. For SUMCO (STU:S3X), the current Inventories, Raw Materials & Components is €1,054 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 (STU:S3X) Overvalued in 2026?

Based on GuruFocus' analysis, SUMCO stock appears to be overvalued. The current stock price of €26.95 is trading 180.1% above its estimated GF Value™ of €9.62. GuruFocus considers SUMCO to be Significantly Overvalued.

Key valuation signals for STU:S3X:

  • Inventories, Raw Materials & Components: €1,054 Mil
  • GF Value™: €9.62 vs. price of €26.95 (180.1% above fair value)
  • GF Score™: 66/100 with 8 warning signs

No single metric tells the full story. See the STU:S3X 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.
66GF Score

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Inventories, Raw Materials & Components is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€26.95
Price
€9.62
GF Value