Who invested in Booster?
Booster's investors include Madrona Venture Group, Maveron, Invus, Gaingels and SOSV, and 15 more on record.

United States · Series D startup
Funding summaryUpdated 26 Oct 2026
$201Mraised across 6 rounds since 2013, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Source recorded
Reported by VentureBeat
Reported by FinSMEs
From Booster's own website: 1 founder, 4 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Booster's investors include Madrona Venture Group, Maveron, Invus, Gaingels and SOSV, and 15 more on record.
Booster has raised $201M across 6 rounds since 2013. One round did not disclose an amount, so the total is a floor.
Booster's most recent round was a Series D of $125M in May 2022.
Its most recent round, $125M in May 2022, is also its largest on record.
Booster's first round on record, in Aug 2013, was backed by CustomInk.
Booster's latest named round is a Series D, in May 2022.
Booster is based in the United States.
Invus led the Series C in 2019.
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