SUMCO - 18 Year Stock Price History | SUOPY

The latest closing stock price for SUMCO as of June 08, 2026 is 45.56.

  • An investor who bought $1,000 worth of SUMCO stock at the IPO in 2008 would have $2,082 today, roughly 2 times their original investment - a 6.45% compound annual growth rate over 18 years.
  • The all-time high SUMCO stock closing price was 55.64 on June 03, 2026.
  • The SUMCO 52-week high stock price is 55.80, which is 22.5% above the current share price.
  • The SUMCO 52-week low stock price is 13.70, which is 69.9% below the current share price.
  • The average SUMCO stock price for the last 52 weeks is 21.83.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

SUMCO - 18 Year Stock Price History | SUOPY

  • An investor who bought $1,000 worth of SUMCO stock at the IPO in 2008 would have $2,082 today, roughly 2 times their original investment - a 6.45% compound annual growth rate over 18 years.
  • The all-time high SUMCO stock closing price was 55.64 on June 03, 2026.
  • The SUMCO 52-week high stock price is 55.80, which is 22.5% above the current share price.
  • The SUMCO 52-week low stock price is 13.70, which is 69.9% below the current share price.
  • The average SUMCO stock price for the last 52 weeks is 21.83.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.