Quest Diagnostics - 29 Year Stock Price History | DGX

The latest closing stock price for Quest Diagnostics as of May 28, 2025 is 171.38.

  • An investor who bought $1,000 worth of Quest Diagnostics stock at the IPO in 1996 would have $67,184 today, roughly 67 times their original investment - a 16.28% compound annual growth rate over 28 years.
  • The all-time high Quest Diagnostics stock closing price was 178.50 on April 29, 2025.
  • The Quest Diagnostics 52-week high stock price is 179.99, which is 5% above the current share price.
  • The Quest Diagnostics 52-week low stock price is 135.47, which is 21% below the current share price.
  • The average Quest Diagnostics stock price for the last 52 weeks is 157.32.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Quest Diagnostics - 29 Year Stock Price History | DGX

  • An investor who bought $1,000 worth of Quest Diagnostics stock at the IPO in 1996 would have $67,184 today, roughly 67 times their original investment - a 16.28% compound annual growth rate over 28 years.
  • The all-time high Quest Diagnostics stock closing price was 178.50 on April 29, 2025.
  • The Quest Diagnostics 52-week high stock price is 179.99, which is 5% above the current share price.
  • The Quest Diagnostics 52-week low stock price is 135.47, which is 21% below the current share price.
  • The average Quest Diagnostics stock price for the last 52 weeks is 157.32.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.