SUMCO (SUMCF) Short Ratio

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.

SUMCF SUMCO Corp SUMCF
69 GF Score
Price $28.84
GF Value $11.70
Valuation Significantly Overvalued
! 8 Warning Signs
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What is SUMCO Short Ratio?

Short Ratio is a metric signaling prevailing investors' sentiment with a company. It represents the number of days it takes short sellers on average to repurchase all the shares short.

Due to the license agreement change with our data vendor, Short Interest related data on GuruFocus will no longer be updated. Existing data will remain as-is, while new data will not be available, except for certain Australian and Canadian stocks.

SUMCF
69GF Score
SUMCO Corp SUMCF
Short Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is SUMCO (SUMCF) Overvalued in 2026?

Based on GuruFocus' analysis, SUMCO stock appears to be overvalued. The current stock price of $28.84 is trading 146.5% above its estimated GF Value™ of $11.70. GuruFocus considers SUMCO to be Significantly Overvalued.

Key valuation signals for SUMCF:

  • Short Ratio:
  • GF Value™: $11.70 vs. price of $28.84 (146.5% above fair value)
  • GF Score™: 69/100 with 8 warning signs

No single metric tells the full story. See the SUMCF 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.
69GF Score

Get the complete analysis for SUMCF

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

$28.84
Price
$11.70
GF Value