Halcyon

Halcyon

Private
Austin, TexasCybersecurityhttps://www.halcyon.ai

Last Round

Series A

Mar 16, 2026

Est. Valuation

$1B

Total Funding Raised

$221.8M

Momentum Score

25 /100

Company Overview

Halcyon is a cybersecurity company that provides a comprehensive platform designed to prevent ransomware attacks on enterprise clients through layered protection, including pre-execution detection, behavioral modeling, and deception techniques for enhanced resiliency and recovery.

Sector

Cybersecurity

Verticals

Endpoint Security, Incident Response, Data Protection

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting, Government Contracts

AI Layer

Application

Keywords

ransomware protectionanti-ransomwareencryption key captureransomware defenseendpoint securityautomated recoveryransomware engineRDRRansomware Detection and Recoverydata exfiltration protectionAI-powered securityincident responseDXPpublic sector cybersecurityMSSP platformkernel protection

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.

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

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

Ryan Smith

CTO Co-Founder

Founding Team

Jon Miller

CEO Co-Founder

Founding Team

Aaron Mick

COO

Executive Team

Halcyon Investors

Notable investors and investment history

InvestorRounds
SYN VenturesSeries C, Series A
Scout VenturesSeries A
Bain Capital VenturesSeries C, Series B
Corner Capital PartnersSeries C, Series A
Zero Infinity PartnersSeries A
Corner VenturesSeries A
Obvious VenturesSeries A, Seed

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.

Halcyon Filings

SEC and related filings with document metadata.

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Halcyon Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersAustin, Texas
Employee Range490
Year Founded2021
Last FundingMar 16, 2026

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