Duolingo was founded by Luis von Ahn, Ph.D. and Severin Hacker in August 2011. Luis von Ahn has been serving as Chief Executive Officer and a member of our board since founding Duolingo. Luis von Ahn was widely known for developing reCAPTCHA in 2007. As of June 2024, Duolingo has over 100 million Monthly Active Users and over 8 million paid subscribers.
Duolingo Inc (DUOL) Stock Price History since its IPO in 2021

Duolingo Inc (DUOL) Stock Yearly Returns since its IPO in 2021

Duolingo Inc (DUOL) Stock Monthly and Annual Returns since its IPO in 2021

Duolingo Inc (DUOL) Stock’s Top 15 Highest Daily Returns since its IPO in 2021
