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Halcyon

Halcyon

Private
San Francisco, CaliforniaCybersecurityhttps://halcyon.io/

Last Round

Series A

Mar 16, 2026

Total Funding Raised

$31.8M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

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, Cloud Security, Incident Response, Threat Intelligence

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting

AI Layer

Application

Keywords

ransomware protectionendpoint securitycyber resilienceransomware recoveryEDRendpoint detection and responseanti-ransomwareincident responsecloud securitymanaged security service providerMSSPsecurity operations centerSOCthreat intelligencezero trust

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Halcyon Comparables

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Halcyon comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Arms Cyber
86%
BullWall
77%
Morphisec
76%

Halcyon Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMar 16, 2026
SeedApr 18, 2024

Key People

Founding team and executive leadership

Alexander Huras

Co-Founder, Chief Technology Officer

Founding Team

Bruce Falck

Founder and CEO

Founding Team

Halcyon Investors

Notable investors and investment history

Halcyon investors
InvestorRounds
Zero Infinity PartnersSeries A
Obvious VenturesSeries A, Seed
Sabanci Climate VenturesSeries A
Congruent VenturesSeries A, Seed
Overture Climate VCSeed
Energize CapitalSeries A
Sabanci Climate VenturesSeries 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.

Halcyon Filings

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Halcyon filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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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 with no public stock price. No recent secondary market data is available.

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. 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 March 16, 2026.

Who are the main investors in Halcyon?

Key investors in Halcyon include 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 for private companies. Visit https://www.caplight.com to monitor Halcyon's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range50
Year Founded2023
Last FundingMar 16, 2026

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