Stellar Cyber

Stellar Cyber

Private
San Jose, CaliforniaCybersecurityhttps://www.stellarcyber.ai

Last Round

Debt

Apr 16, 2026

Total Funding Raised

$83.3M

Momentum Score

25 /100

Company Overview

Stellar Cyber is a cybersecurity company that offers an open XDR platform designed to intuitively analyze modern attacks, providing advanced threat detection and response by integrating data from various tools to enhance incident accuracy and automate threat responses through AI and machine learning.

Sector

Cybersecurity

Verticals

SIEM, Incident Response, Network Security, Cloud Security, Threat Intelligence

Business Model

B2B

Customer Profile

Subscription SaaS, Government Contracts, Services & Consulting

AI Layer

Application

Keywords

Open XDRXDR platformSecOps platformAI-driven securityMSSP platformAutonomous SOCsecurity automationNext-Gen SIEMthreat detection and responseNetwork Detection and ResponseNDRUser and Entity Behavior AnalyticsUEBASecurity Orchestration, Automation, and ResponseSOARIdentity Threat Detection & ResponseITDRalert fatigueOT security

Historical Pricing

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Caplight Momentum Score

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Stellar Cyber 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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Stellar Cyber Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
DebtApr 16, 2026
VC RoundAug 21, 2023
Series BNov 16, 2021
Series A ExtensionMar 25, 2020
Series AFeb 26, 2019

Key People

Founding team and executive leadership

Aimei Wei

Founder, CTO

Founding Team

Stellar Cyber Investors

Notable investors and investment history

InvestorRounds
Northern Light Venture CapitalSeries A, Series B, Series A Extension
Susquehanna International GroupSeries B, Series A Extension
Valley Capital PartnersSeries B, Series A Extension, Series A
Horizon Technology Finance CorporationDebt
SamsungSeries B
Highland Capital PartnersSeries B
345 PartnersSeries B

Market signals

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  • Apr 24, 2026

    Over 30% of top MSSPs now use the platform.

  • Apr 16, 2026

    Raised $25M in debt financing.

Stellar Cyber Filings

SEC and related filings with document metadata.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Stellar Cyber Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSan Jose, California
Employee Range145
Year Founded2017
Last FundingApr 16, 2026

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