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Halcyon

Halcyon

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

Last Round

Series A

Mar 16, 2026

Est. Valuation

$1B

Total Funding Raised

$221.8M

Momentum

Top 5%

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

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Halcyon Comps

Public and private peers based on sector, stage, and business model.

Halcyon comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Halcyon Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMar 16, 2026
Series CNov 25, 2024
SeedApr 18, 2024
Series BDec 19, 2023
Series AApr 20, 2023

Key People

Founding team and executive leadership

Alexander Huras

Co-Founder, Chief Technology Officer

Founding Team

Bruce Falck

Founder, CEO

Founding Team

Halcyon Investors

Notable investors and investment history

Halcyon investors
InvestorRounds
SYN VenturesSeries C, Series A
Bain Capital VenturesSeries C, Series B
Zero Infinity PartnersSeries A
Obvious VenturesSeries A, Seed
Corner Capital ManagementSeries C
Sabanci Climate VenturesSeries A
Dropbox VenturesSeries C

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

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Halcyon Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Halcyon's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range51
Year Founded2023
Last FundingMar 16, 2026

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