Quantum - 26 Year Stock Price History | QMCO

The latest closing stock price for Quantum as of January 22, 2025 is 35.76.

  • An investor who bought $1,000 worth of Quantum stock at the IPO in 1999 would have $-986 today, roughly -1 times their original investment - a -15.75% compound annual growth rate over 25 years.
  • The all-time high Quantum stock closing price was 3430.40 on August 17, 1999.
  • The Quantum 52-week high stock price is 90.64, which is 153.5% above the current share price.
  • The Quantum 52-week low stock price is 2.22, which is 93.8% below the current share price.
  • The average Quantum stock price for the last 52 weeks is 11.39.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Quantum - 26 Year Stock Price History | QMCO

  • An investor who bought $1,000 worth of Quantum stock at the IPO in 1999 would have $-986 today, roughly -1 times their original investment - a -15.75% compound annual growth rate over 25 years.
  • The all-time high Quantum stock closing price was 3430.40 on August 17, 1999.
  • The Quantum 52-week high stock price is 90.64, which is 153.5% above the current share price.
  • The Quantum 52-week low stock price is 2.22, which is 93.8% below the current share price.
  • The average Quantum stock price for the last 52 weeks is 11.39.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.