Who invested in Quizlet?
Quizlet's investors include Union Square Ventures, Altos Ventures, Costanoa Ventures, Altos and Costanoa, and 3 more on record.

United States · Series B startup
Funding summaryUpdated 26 Oct 2026
$32Mraised across 2 rounds since 2015, from 2 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $12M sold, first sale Oct 2015
From the SEC filings it signed: 4 on the team.
On the board, as filediFred WilsonGreg Sands
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Quizlet's investors include Union Square Ventures, Altos Ventures, Costanoa Ventures, Altos and Costanoa, and 3 more on record.
Quizlet has raised $32M across 2 rounds since 2015.
Quizlet's most recent round was a Series B of $20M in Feb 2018.
Its most recent round, $20M in Feb 2018, is also its largest on record.
Quizlet's first round on record, in Nov 2015, was backed by Union Square Ventures, Altos Ventures and Costanoa Ventures and 1 others.
Quizlet's latest named round is a Series B, in Feb 2018.
Quizlet is based in the United States.
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