About Quizlet
Quizlet is one of the world's largest digital learning platforms, helping students of all ages study and master academic subjects through flashcards, practice tests, games, and AI-powered study tools. Founded in 2005 by Andrew Sutherland — then a 15-year-old high school student who built the platform to study French vocabulary — Quizlet bootstrapped its way to profitability before raising its first outside capital in 2015. The company has raised $62 million in total venture funding across four rounds.
Quizlet's platform hosts over 400 million user-generated study sets and serves students across every level of education, from middle school to graduate programs, in more than 130 countries. Students ask over 1 billion questions on Quizlet each week. In 2025, the company launched a major AI-powered platform overhaul featuring an upgraded adaptive Learn mode, a personalized mobile home feed, and the AI study assistant Q-Chat, alongside Magic Notes, which automatically converts uploaded PDFs and handwritten notes into flashcard sets.
Quizlet's most recent Series C round in May 2020 raised $30 million led by General Atlantic, valuing the company at $1 billion — a 5x increase over its prior round. The company operates a freemium subscription model with Quizlet Plus available at approximately $35.99/year, and continues to grow revenue with an estimated $139 million ARR as of 2025.
Funding History
| Round | Date | Amount Raised | Post-Money Valuation | Notable Investors |
|---|---|---|---|---|
| Series C | May 2020 | $30M | ~$1B | General Atlantic, Costanoa Ventures, Icon Ventures, Owl Ventures, Union Square Ventures |
| Series B | Feb 2018 | $20M | ~$200M | Icon Ventures, Owl Ventures, Union Square Ventures, Costanoa Ventures |
| Series A | Dec 2015 | $12M | Undisclosed | Union Square Ventures, Owl Ventures, Costanoa Ventures |
Figures sourced from public disclosures. Approximate. For informational purposes only. Not an offer or solicitation.
Company Details
Quizlet Stock FAQs
Access Pre-IPO AI Companies Through FNEX Ventures Fund
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