Halcyon
PrivateLast Round
Series C
Nov 25, 2024
Est. Valuation
$1B
Total Funding Raised
$190M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Halcyon is a cybersecurity company that provides an AI-powered anti-ransomware platform designed to prevent, disrupt, and recover from ransomware attacks for enterprise clients.
Sector
Cybersecurity
Verticals
Endpoint Security, Threat Intelligence, Incident Response, Data Protection
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Application
Keywords
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 |
|---|---|---|
| Mimic | 81% | |
| Morphisec | 75% | |
| CrowdStrike | 74% |
Halcyon Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Nov 25, 2024 | ||||
| Strategic | Jul 31, 2024 | ||||
| Series B | Dec 19, 2023 | ||||
| Series A | Apr 20, 2023 |
Key People
Founding team and executive leadership
Halcyon Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SYN Ventures | Series C, Series A |
| Bain Capital Ventures | Series C, Series B |
| Corner Capital Partners | Series C, Series A |
| Corner Ventures | Series A |
| Corner Capital Management | Series C |
| Harmony Group | Series C |
| Dropbox Ventures | Series C |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 31, 2026
Developing ransomware-resilient data protection solution with HYCU.
- Mar 31, 2026
Partnered with HYCU to expand ransomware protection to cloud environments.
Recent news
Latest coverage and updates
- launchesAug 4, 2026
Halcyon launched macOS support on Aug 1st '26.
- partners_withJul 28, 2026
Halcyon partnered with Beazley plc on Jul 28th '26.
- launchesJul 28, 2026
Halcyon launched Cyber Resilience Retainer on Jul 28th '26.
- launchesJul 28, 2026
Halcyon was planning to launch File Resilience at Black Hat USA 2026 on Jul 28th '26.
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.
Request accessFrequently 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 with no public stock price. No recent secondary market data is available.
How much is Halcyon worth (valuation)?
Halcyon's valuation is estimated at $1.0B based on funding round data.
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. Visit https://www.caplight.com to learn more.
When was Halcyon's last funding round?
Halcyon's most recent funding round was Series A on November 25, 2024.
Who are the main investors in Halcyon?
Key investors in Halcyon include SYN Ventures, Bain Capital Ventures, Obvious Ventures, Congruent Ventures, Evolution Equity Partners.
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 for private companies. Visit https://www.caplight.com to monitor Halcyon's secondary market activity and sign up for updates.