Halcyon
PrivateLast Round
Series A
Mar 16, 2026
Total Funding Raised
$31.8M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Halcyon operates in Cybersecurity and is based in San Francisco, California. Its latest recorded funding round was a Series A round in March 2026.
Halcyon is a software company that provides an AI-powered platform for energy market intelligence, helping professionals search and query energy data, filings, and documents.
Sector
Cybersecurity
Verticals
Endpoint Security, Incident Response, Cloud Security, Threat Intelligence
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Halcyon Comparables
Compare Halcyon with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Arms Cyber | 86% | |
| BullWall | 77% | |
| Morphisec | 76% |
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Halcyon Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Mar 16, 2026 | ||||
| Seed | Apr 18, 2024 |
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Key People
Founding team and executive leadership
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Halcyon Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Zero Infinity Partners | Series A |
| Obvious Ventures | Series A, Seed |
| Sabanci Climate Ventures | Series A |
| Congruent Ventures | Series A, Seed |
| Overture Climate VC | Seed |
| Energize Capital | Series A |
| Sabanci Climate Ventures | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 25, 2026
Grew 29% QoQ from 38 to 49 employees.
- Mar 16, 2026
$21M round completed.
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Recent news
Latest coverage and updates
- hiresSep 15, 2026
Halcyon appoints Nick Chaset to its Board as an Independent Director effective Sep 1st '26, adding his regulatory and public utility expertise to its AI-powered energy market intelligence platform in California.
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Halcyon 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.
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Frequently Asked Questions
Common questions about Halcyon's valuation, stock price, and market status.
Is Halcyon a public or private company?
Halcyon is a private company.
What is the current stock price of Halcyon?
Halcyon is a private company, so its shares have no public market price. Caplight tracks Halcyon's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Halcyon worth (valuation)?
Valuation information for Halcyon is not publicly available.
Can I buy Halcyon stock?
Halcyon shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Halcyon's last funding round?
Halcyon's most recent funding round was Series A on March 16, 2026.
Who are the main investors in Halcyon?
Key investors in Halcyon include Obvious Ventures, Congruent Ventures, Energize Capital.
Will Halcyon IPO soon?
No public IPO plans have been announced for Halcyon.
How can I track Halcyon secondary market activity?
Caplight tracks bids, offers, and trades in Halcyon's shares on secondary markets.