# CloudZero funding: rounds and investors > CloudZero has raised $61M across 2 rounds since 2017. Investors include Underscore VC, Matrix Partners and Threshold. Every round with its source. Source: https://millionrounds.com/company/cloudzero (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *CloudZero* 2 rounds we have observed, with the 3 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. Cloud Funding summary Updated 26 Oct 2026 **$61M** raised across 2 rounds since 2017, from 2 sources **$5.0M** Series A **$56M** Series C - **Latest round:** Series C, $56M May 2025 - **Step-up i:** 11.2× - **Investors:** 3 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 2021 2023 2025 **$5.0M** Series A **$56M** Series C - **First round:** Series A, $5.0M - **Biggest round:** $56M - **Between rounds:** 7.6 years ## The rounds - **May 2025** Series C **$56M** *1 new* *1 returning* [Underscore VC](https://millionrounds.com/fund/underscore-vc) [Threshold](https://millionrounds.com/fund/threshold) Source recorded SEC filing: $48M sold, first sale Feb 2025 - **Oct 2017** Series A **$5.0M** *2 new* [Matrix Partners](https://millionrounds.com/fund/matrix-partners) [Underscore VC](https://millionrounds.com/fund/underscore-vc) Reported by FinSMEs ## Founders and team From CloudZero's own website: 3 on the team. - **Adam Walker** VP of Infrastructure and Security - **Josh Collier** FinOps Lead at Superhuman (formerly Grammarly) - **Take Tour** Managing Over $14B In Spend ## 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** 2017 **Series C** 2025 [Underscore VC](https://millionrounds.com/fund/underscore-vc) [Matrix Partners](https://millionrounds.com/fund/matrix-partners) [Threshold](https://millionrounds.com/fund/threshold) ## Everyone who backed them [Underscore VC](https://millionrounds.com/fund/underscore-vc) VC firm **2** rounds [Matrix Partners](https://millionrounds.com/fund/matrix-partners) VC firm **1** round [Threshold](https://millionrounds.com/fund/threshold) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=cloudzero). ## Also claim to have backed them This firm lists CloudZero 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. [Innovius Capital](https://millionrounds.com/fund/innovius-capital) Private equity Per its own site ## Quick answers about CloudZero ### Who invested in CloudZero? CloudZero's investors include Underscore VC, Matrix Partners and Threshold. ### How much has CloudZero raised? CloudZero has raised $61M across 2 rounds since 2017. ### When did CloudZero last raise? CloudZero's most recent round was a Series C of $56M in May 2025. ### What was CloudZero's biggest round? Its most recent round, $56M in May 2025, is also its largest on record. ### Who backed CloudZero first? CloudZero's first round on record, in Oct 2017, was backed by Matrix Partners and Underscore VC. ### What stage is CloudZero at? CloudZero's latest named round is a Series C, in May 2025. ### Where is CloudZero based? CloudZero is based in the United States. ## Companies like CloudZero In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Blacksmith** $131M · Oct 2026](https://millionrounds.com/company/blacksmith)[**Tasklet** $13M · Oct 2026](https://millionrounds.com/company/tasklet)[**VEIR** $185M · Oct 2026](https://millionrounds.com/company/veir)[**Namespace** $42M · Oct 2026](https://millionrounds.com/company/namespace)[**Lambda** $6.8B · Oct 2026](https://millionrounds.com/company/lambda) ## 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