SUMCO (TSE:3436) Net Interest Margin (Bank Only) %

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.
Reviewed by: Charlie Tian Charlie Tian
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:3436 SUMCO Corp TSE:3436
63 GF Score
Price 円3,914.00
GF Value 円1,798.30
Valuation Significantly Overvalued
! 5 Warning Signs
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What is SUMCO Net Interest Margin (Bank Only) %?

Net Interest Margin (Bank Only) % only applies to banks.

TSE:3436
63GF Score
SUMCO Corp TSE:3436
Net Interest Margin (Bank Only) % is just one metric. See GF Score™, valuation, warning signs, and more.
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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 117.7% above its estimated GF Value™ of 円1,798.30. GuruFocus considers SUMCO to be Significantly Overvalued.

Key valuation signals for TSE:3436:

  • Net Interest Margin (Bank Only) %:
  • GF Value™: 円1,798.30 vs. price of 円3,914.00 (117.7% 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

Net Interest Margin (Bank Only) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円3,914.00
Price
円1,798.30
GF Value