# Mandolin funding: rounds and investors > Mandolin has raised $40M across 2 rounds since 2021. Investors include 645 Ventures, SV Angel and Greylock. Every round with its source. Source: https://millionrounds.com/company/mandolin (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Mandolin* 2 rounds we have observed, with the 9 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Entertainment Events Funding summary Updated 26 Oct 2026 **$40M** raised across 2 rounds since 2021, from 2 sources - **Latest round:** Series A, $40M Jun 2025 - **Investors:** 9 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2022 2023 2024 2025 **?** Series A **$40M** Series A - **First round:** Series A - **Biggest round:** $40M - **Between rounds:** 3.9 years ## The rounds - **Jun 2025** Series A **$40M** *5 new* [SV Angel](https://millionrounds.com/fund/sv-angel) [Greylock](https://millionrounds.com/fund/greylock-partners) [SignalFire](https://millionrounds.com/fund/signalfire) [IQ Capital](https://millionrounds.com/fund/iq-capital) [Maverick Ventures](https://millionrounds.com/fund/maverick-ventures) Source recorded - **Jun 2021** Series A **Amount undisclosed** *4 new* [645 Ventures](https://millionrounds.com/fund/645-ventures) Lead [Foundry Group](https://millionrounds.com/fund/foundry) [High Alpha Capital](https://millionrounds.com/fund/high-alpha-capital) [Time Ventures](https://millionrounds.com/fund/time-ventures-2) Reported by Foundry Group ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2021 **Series A** 2025 [645 Ventures](https://millionrounds.com/fund/645-ventures) L [SV Angel](https://millionrounds.com/fund/sv-angel) [Greylock](https://millionrounds.com/fund/greylock-partners) [Foundry Group](https://millionrounds.com/fund/foundry) [SignalFire](https://millionrounds.com/fund/signalfire) [IQ Capital](https://millionrounds.com/fund/iq-capital) [Maverick Ventures](https://millionrounds.com/fund/maverick-ventures) [High Alpha Capital](https://millionrounds.com/fund/high-alpha-capital) [Time Ventures](https://millionrounds.com/fund/time-ventures-2) ## Everyone who backed them [645 Ventures](https://millionrounds.com/fund/645-ventures) VC firm **1** round, led 1 [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [Greylock](https://millionrounds.com/fund/greylock-partners) VC firm **1** round [Foundry Group](https://millionrounds.com/fund/foundry) VC firm **1** round [SignalFire](https://millionrounds.com/fund/signalfire) VC firm **1** round [IQ Capital](https://millionrounds.com/fund/iq-capital) VC firm **1** round [Maverick Ventures](https://millionrounds.com/fund/maverick-ventures) VC firm **1** round [High Alpha Capital](https://millionrounds.com/fund/high-alpha-capital) Venture studio **1** round [Time Ventures](https://millionrounds.com/fund/time-ventures-2) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=mandolin). ## Also claim to have backed them These 2 firms list Mandolin as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Optum Ventures](https://millionrounds.com/fund/optum-ventures) VC firm Per its own site [Intuitous Studios](https://millionrounds.com/fund/intuitous-studios) Angel network Seed, 2024, per its site ## Quick answers about Mandolin ### Who invested in Mandolin? Mandolin's investors include 645 Ventures, SV Angel, Greylock, Foundry Group and SignalFire, and 4 more on record. ### How much has Mandolin raised? Mandolin has raised $40M across 2 rounds since 2021. One round did not disclose an amount, so the total is a floor. ### When did Mandolin last raise? Mandolin's most recent round was a Series A of $40M in Jun 2025. ### What was Mandolin's biggest round? Its most recent round, $40M in Jun 2025, is also its largest on record. ### Who backed Mandolin first? Mandolin's first round on record, in Jun 2021, was backed by 645 Ventures, Foundry Group and High Alpha Capital and 1 others. ### What stage is Mandolin at? Mandolin's latest named round is a Series A, in Jun 2025. ### Where is Mandolin based? Mandolin is based in the United States. ### Who led Mandolin's rounds? 645 Ventures led the Series A in 2021. ## Companies like Mandolin In the same sector, and raised in the last eighteen months. 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