Harmonic Raises $100 Million Series B to Accelerate Development of Mathematical Superintelligence, led by Kleiner Perkins with Paradigm and others participating.
Amount Raised
$100 Million
Round Type
Series B
Palo AltoSoftwareArtificial IntelligenceBlockchainCryptocurrencyInvestors
Description
Harmonic, a leader in artificial intelligence, has secured $100 million in a Series B funding round at a valuation nearing $900 million. The round was led by Kleiner Perkins, with significant participation from Paradigm, Ribbit Capital, and existing investors. This funding will enhance Harmonic's efforts in developing its AI model, Aristotle, which aims to transform mathematical reasoning. The technology is designed for critical applications across various industries, ensuring maximum accuracy in high-stakes environments.
Quick answer
Harmonic AI raised $100 Million in a Series B round, dated July 10, 2025. Investors: Sequoia Capital, Paradigm, Ribbit Capital, Index Ventures, Charlie Cheever and Kleiner Perkins. Harmonic AI is based in Palo Alto, California, United States.
- How much did Harmonic AI raise?
- Harmonic AI raised $100 Million in a Series B round on July 10, 2025.
- Who invested in Harmonic AI?
- Sequoia Capital, Paradigm, Ribbit Capital, Index Ventures, Charlie Cheever and Kleiner Perkins are named as investors in this round.
- What does Harmonic AI do?
- Harmonic AI is an artificial intelligence start-up co-founded by Robinhood's CEO, Vlad Tenev, and Tudor Achim.
- Where is Harmonic AI based and how big is it?
- Harmonic AI is based in Palo Alto, California, United States.
- Who are the decision-makers at Harmonic AI?
- Fundz holds 3 contacts at Harmonic AI, including the Building and Commercializing Mathematical Superintelligence. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Blockchain and Cryptocurrency around the same time
Companies in the same sectors as Harmonic AI that raised within 45 days of this round, from Fundz verified event records.
- Crossmint raised $18M on July 29, 2025.
- Greenlite Ventures raised $151K on August 19, 2025.
- Satsuma Technology raised $218M on August 6, 2025.
- Subzero Labs raised $20M (Funding Round) on August 1, 2025.
- GAIB raised $10M (Funding Round) on August 1, 2025.
- Kuvi.ai raised $700K (Seed) on July 29, 2025.
Who to call at Harmonic AI, and when
A new round usually means Harmonic AI is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Harmonic AI raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Harmonic AI, from your own LinkedIn network
Works inside ChatGPT and Claude. Ask who to call at Harmonic AI. With Fundz connected, it knows.
AI made execution free. Knowing first is the whole game now.
Fundz sees it the moment Harmonic AI raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
Related People
Funding Insights
What this usually meansHarmonic AI raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
145 of these a day, filtered to the companies you pick, with the decision-maker attached.
5 screens from a live account. No signup.