Allegro MicroSystems - 6 Year Stock Price History | ALGM

The latest closing stock price for Allegro MicroSystems as of April 16, 2026 is 38.22.

  • An investor who bought $1,000 worth of Allegro MicroSystems stock at the IPO in 2020 would have $1,159 today, roughly 1 times their original investment - a 16.64% compound annual growth rate over 5 years.
  • The all-time high Allegro MicroSystems stock closing price was 52.72 on July 18, 2023.
  • The Allegro MicroSystems 52-week high stock price is 43.86, which is 14.8% above the current share price.
  • The Allegro MicroSystems 52-week low stock price is 16.38, which is 57.1% below the current share price.
  • The average Allegro MicroSystems stock price for the last 52 weeks is 30.48.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Allegro MicroSystems - 6 Year Stock Price History | ALGM

  • An investor who bought $1,000 worth of Allegro MicroSystems stock at the IPO in 2020 would have $1,159 today, roughly 1 times their original investment - a 16.64% compound annual growth rate over 5 years.
  • The all-time high Allegro MicroSystems stock closing price was 52.72 on July 18, 2023.
  • The Allegro MicroSystems 52-week high stock price is 43.86, which is 14.8% above the current share price.
  • The Allegro MicroSystems 52-week low stock price is 16.38, which is 57.1% below the current share price.
  • The average Allegro MicroSystems stock price for the last 52 weeks is 30.48.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.