Harmonic
PrivateLast Round
Series C
Nov 25, 2025
Est. Valuation
$1.45B
Total Funding Raised
$120M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Harmonic is an artificial intelligence company that develops a mathematical reasoning engine utilizing artificial intelligence to deliver verifiably correct outputs.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, Synthetic Data
Business Model
B2B
Customer Profile
Usage-Based SaaS, Freemium, Subscription SaaS, Government Contracts
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Harmonic Comparables
Compare Harmonic with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Axiom Math | 79% | |
| Logical Intelligence | 73% | |
| Principia Labs | 72% | |
Harmonic Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Nov 25, 2025 |
Harmonic Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Sequoia Capital | Series C |
| Emerson Collective | Series C |
| Index Ventures | Series C |
| Ribbit Capital | Series C |
| Kleiner Perkins | Series C |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 18, 2026
Launched Aristotle Agent, an 'autonomous mathematician', with Robinhood CEO endorsement.
- Nov 25, 2025
$120M round led by Ribbit Capital.
Harmonic Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Harmonic's valuation, stock price, and market status.