# Solo.io funding: rounds and investors > Solo.io has raised $146M across 2 rounds since 2018. Investors include Redpoint, True Ventures and Quiet Capital. Every round with its source. Source: https://millionrounds.com/company/solo-io (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Solo.io* 2 rounds we have observed, with the 5 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 Valuation: $1.0B, Mar 2026 Funding summary Updated 26 Oct 2026 **$146M** raised across 2 rounds since 2018, from 2 sources **$11M** Series A **$135M** Series C - **Latest round:** Series C, $135M Oct 2021 - **Step-up i:** 12.3× - **Investors:** 5 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. 2019 2020 2021 **$11M** Series A **$135M** Series C - **First round:** Series A, $11M - **Biggest round:** $135M - **Between rounds:** 2.8 years ## The rounds - **Oct 2021** Series C **$135M** *4 new* [Redpoint](https://millionrounds.com/fund/redpoint) [True Ventures](https://millionrounds.com/fund/true-ventures-2) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [Haystack](https://millionrounds.com/fund/haystack) Source recorded SEC filing: $130M sold, first sale Oct 2021 - **Dec 2018** Series A **$11M** *1 new* Redpoint Ventures/ True Reported by FinSMEs SEC filing: $11M sold, first sale Aug 2018 ## Founders and team From Solo.io's own website and the SEC filings it signed: 1 founder, 7 on the team. **Idit Levine** Founder and CEO *Named on its 2021 Form D* - **Christian Posta** VP, Global Field CTO - **Keith Babo** Chief Product Officer - **Louis Ryan** Chief Technology Officer - **Matt Deutsch** Chief Revenue Officer - **Rob Bailer** Chief Financial Officer - **Yuval Kohavi** Chief Architect - **Lin Sun** Director of Open Source On the board, as filed i *Puneet Agarwal* *Satish Dharmaraj* ## 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** 2018 **Series C** 2021 [Redpoint](https://millionrounds.com/fund/redpoint) [True Ventures](https://millionrounds.com/fund/true-ventures-2) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [Haystack](https://millionrounds.com/fund/haystack) Redpoint Ventures/ True ## Everyone who backed them [Redpoint](https://millionrounds.com/fund/redpoint) VC firm **1** round [True Ventures](https://millionrounds.com/fund/true-ventures-2) VC firm **1** round [Quiet Capital](https://millionrounds.com/fund/quiet-capital) VC firm **1** round [Haystack](https://millionrounds.com/fund/haystack) VC firm **1** round Redpoint Ventures/ True no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=solo-io). ## Also claim to have backed them This firm lists Solo.io as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [True Ventures](https://millionrounds.com/fund/true-ventures) VC firm Per its own site ## Quick answers about Solo.io ### Who invested in Solo.io? Solo.io's investors include Redpoint, True Ventures, Quiet Capital, Haystack and Redpoint Ventures/ True. ### How much has Solo.io raised? Solo.io has raised $146M across 2 rounds since 2018. ### When did Solo.io last raise? Solo.io's most recent round was a Series C of $135M in Oct 2021. ### What was Solo.io's biggest round? Its most recent round, $135M in Oct 2021, is also its largest on record. ### Who backed Solo.io first? Solo.io's first round on record, in Dec 2018, was backed by Redpoint Ventures/ True. ### What stage is Solo.io at? Solo.io's latest named round is a Series C, in Oct 2021. ### Where is Solo.io based? Solo.io is based in the United States. ## Companies like Solo.io In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app