Harmonic Security
PrivateLast Round
Series B
Oct 14, 2026
Total Funding Raised
$74.5M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Harmonic Security is a cybersecurity company that provides an AI governance and control platform designed to secure sensitive data within generative AI tools.
Sector
Cybersecurity
Verticals
Data Protection, Cloud Security, Data Governance, NLP & Conversational AI, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Harmonic Security Comparables
Compare Harmonic Security with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Portal26 | 88% | |
| WitnessAI | 88% | |
| Bedrock Data | 88% |
Harmonic Security Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Oct 14, 2026 | ||||
| Series A | Oct 2, 2024 | ||||
| Seed Round | Jan 4, 2024 | ||||
| Seed | Oct 19, 2023 |
Key People
Founding team and executive leadership
Harmonic Security Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| StepStone Group | Series B |
| Ten Eleven Ventures | Series A, Series B, Seed |
| Storm Ventures | Seed |
| Crosspoint Capital Partners | Series B |
| N47 | Series B, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 14, 2026
$50M round led by Crosspoint Capital Partners.
- Jun 1, 2026
Named to the Rising in Cyber 2026 list.
Recent news
Latest coverage and updates
- partners_withOct 19, 2026
Harmonic and Distology enter a new distribution partnership on Oct 14th '26, as Harmonic expands its AI security distribution.
- expands_offices_inOct 15, 2026
On Oct 14th '26, Harmonic says its new capital expands engineering and go-to-market operations in the United Kingdom and United States.
- integrates_withOct 14, 2026
Harmonic is among Cisco Systems, Inc's ecosystem integrations for Cloud Control's Agent Builder, connecting through the Model Context Protocol.
- identified_as_competitor_ofOct 14, 2026
The article positions Harmonic as a direct comparable and competitor to Mind in controlling sensitive-data exposure through generative AI tools.
- identified_as_competitor_ofOct 14, 2026
The article identifies Harmonic as a direct comparable and competitor of Cyberhaven in the generative AI data-governance market, based on their focus on controlling sensitive-data exposure through generative AI tools, on Oct '26.
Harmonic Security Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Harmonic Security's valuation, stock price, and market status.
Is Harmonic Security a public or private company?
Harmonic Security is a private company.
What is the current stock price of Harmonic Security?
Harmonic Security is a private company, so its shares have no public market price. Caplight tracks Harmonic Security's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Harmonic Security worth (valuation)?
Valuation information for Harmonic Security is not publicly available.
Can I buy Harmonic Security stock?
Harmonic Security shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Harmonic Security's last funding round?
Harmonic Security's most recent funding round was Series B on October 14, 2026.
Who are the main investors in Harmonic Security?
Key investors in Harmonic Security include Ten Eleven Ventures, Crosspoint Capital Partners, N47.
Will Harmonic Security IPO soon?
No public IPO plans have been announced for Harmonic Security.
How can I track Harmonic Security secondary market activity?
Caplight tracks bids, offers, and trades in Harmonic Security's shares on secondary markets.