Allegro MicroSystems - 6 Year Stock Price History | ALGM

The latest closing stock price for Allegro MicroSystems as of June 09, 2026 is 46.63.

  • An investor who bought $1,000 worth of Allegro MicroSystems stock at the IPO in 2020 would have $1,634 today, roughly 2 times their original investment - a 17.52% compound annual growth rate over 6 years.
  • The all-time high Allegro MicroSystems stock closing price was 53.62 on June 04, 2026.
  • The Allegro MicroSystems 52-week high stock price is 54.40, which is 16.7% above the current share price.
  • The Allegro MicroSystems 52-week low stock price is 22.41, which is 51.9% below the current share price.
  • The average Allegro MicroSystems stock price for the last 52 weeks is 33.84.
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 $1,634 today, roughly 2 times their original investment - a 17.52% compound annual growth rate over 6 years.
  • The all-time high Allegro MicroSystems stock closing price was 53.62 on June 04, 2026.
  • The Allegro MicroSystems 52-week high stock price is 54.40, which is 16.7% above the current share price.
  • The Allegro MicroSystems 52-week low stock price is 22.41, which is 51.9% below the current share price.
  • The average Allegro MicroSystems stock price for the last 52 weeks is 33.84.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.