United States · 
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.
202320242025
$23MSeries A$100MSeries B
United States · Series B startup
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.
Follow Harmonic AI and see its new rounds in your feed. Start following
Funding summaryUpdated 15 Nov 2026
$123Mraised across 2 rounds since 2022, from 2 sources
$23MSeries A$100MSeries B
- Latest round
- Series B, $100MJul 2025
- Led by
- Kleiner Perkins
- Step-upi
- 4.3×
- Investors
- 7 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $23M Nov 2022
- Biggest round
- $100M Series B · Jul 2025
- Between rounds
- 2.7 years from the last two
The rounds
- Jul 2025
- Nov 2022
Founders and team
From Harmonic AI's own website: 5 on the team.
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 A2022Series B2025
Kleiner PerkinsL
Alumni Ventures
Craft Ventures
Ribbit Capital
Paradigm
Fin Capital
Builders VC
Kleiner PerkinsLAlumni VenturesCraft VenturesRibbit CapitalParadigmFin CapitalBuilders VCEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
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.
Quick answers about Harmonic AI
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.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.