# Harmonic AI funding: rounds and investors > Harmonic AI has raised $123M across 2 rounds since 2022. Investors include Kleiner Perkins, Alumni Ventures and Craft Ventures. Every round with its source. Source: https://millionrounds.com/company/harmonic-ai (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Harmonic AI* 2 rounds we have observed, with the 7 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 Deeptech Enterprise Software Follow Harmonic AI and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fharmonic-ai) Funding summary Updated 15 Nov 2026 **$123M** raised across 2 rounds since 2022, from 2 sources **$23M** Series A **$100M** Series B - **Latest round:** Series B, $100M Jul 2025 - **Led by:** Kleiner Perkins - **Step-up i:** 4.3× - **Investors:** 7 (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. 2023 2024 2025 **$23M** Series A **$100M** Series B - **First round:** Series A, $23M - **Biggest round:** $100M - **Between rounds:** 2.7 years ## The rounds - **Jul 2025** Series B **$100M** *3 new* [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) Lead [Ribbit Capital](https://millionrounds.com/fund/ribbit-capital) [Paradigm](https://millionrounds.com/fund/paradigm) Reported by TechStartups - **Nov 2022** Series A **$23M** *4 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Fin Capital](https://millionrounds.com/fund/fin-capital) [Builders VC](https://millionrounds.com/fund/builders-vc) Source recorded ## Founders and team From Harmonic AI's own website: 5 on the team. - **Max Ruderman** CEO - **Brian Cashin** VP at Teamworthy - **Gavin L** Growth Analyst - **Mary Grace** Growth Analyst - **Mike P** Sales Lead ## 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** 2022 **Series B** 2025 [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) L [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Ribbit Capital](https://millionrounds.com/fund/ribbit-capital) [Paradigm](https://millionrounds.com/fund/paradigm) [Fin Capital](https://millionrounds.com/fund/fin-capital) [Builders VC](https://millionrounds.com/fund/builders-vc) ## Everyone who backed them [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **1** round, led 1 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Craft Ventures](https://millionrounds.com/fund/craft-ventures) VC firm **1** round [Ribbit Capital](https://millionrounds.com/fund/ribbit-capital) VC firm **1** round [Paradigm](https://millionrounds.com/fund/paradigm) VC firm **1** round [Fin Capital](https://millionrounds.com/fund/fin-capital) Private equity **1** round [Builders VC](https://millionrounds.com/fund/builders-vc) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=harmonic-ai). ## Also claim to have backed them These 2 firms list Harmonic AI 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. [Floodgate](https://millionrounds.com/fund/floodgate) VC firm Per its own site [Teamworthy Ventures](https://millionrounds.com/fund/teamworthy-ventures) VC firm Per its own site ## Quick answers about Harmonic AI ### Who invested in Harmonic AI? Harmonic AI's investors include Kleiner Perkins, Alumni Ventures, Craft Ventures, Ribbit Capital and Paradigm, and 2 more on record. Kleiner Perkins led its latest round. ### How much has Harmonic AI raised? Harmonic AI has raised $123M across 2 rounds since 2022. ### When did Harmonic AI last raise? Harmonic AI's most recent round was a Series B of $100M in Jul 2025, led by Kleiner Perkins. ### What was Harmonic AI's biggest round? Its most recent round, $100M in Jul 2025, is also its largest on record. ### Who backed Harmonic AI first? Harmonic AI's first round on record, in Nov 2022, was backed by Alumni Ventures, Craft Ventures and Fin Capital and 1 others. ### What stage is Harmonic AI at? Harmonic AI's latest named round is a Series B, in Jul 2025. ### Where is Harmonic AI based? Harmonic AI is based in the United States. ### Who led Harmonic AI's rounds? Kleiner Perkins led the Series B in 2025. ## Companies like Harmonic AI In the same sector, and raised in the last eighteen months. 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