Stellar Cyber
PrivateLast Round
Debt
Apr 16, 2026
Est. Valuation
$288.72M
Total Funding Raised
$83.3M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Stellar Cyber operates in Cybersecurity and is based in San Jose, California. Its latest recorded funding round was a Debt round in April 2026.
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, Network Security, Incident Response, Cloud Security, Threat Intelligence
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Stellar Cyber Comparables
Compare Stellar Cyber with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Cynet | 86% | |
| Seceon Inc. | 86% | |
| Blumira | 78% |
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Stellar Cyber Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Debt | Apr 16, 2026 | ||||
| VC Round | Aug 21, 2023 | ||||
| Series B | Nov 16, 2021 | ||||
| Series A Extension | Mar 25, 2020 | ||||
| Series A | Feb 26, 2019 |
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Key People
Founding team and executive leadership
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Stellar Cyber Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Monroe Capital | Debt |
| Northern Light Venture Capital | Series A, VC Round, Series B, Series A Extension |
| Susquehanna International Group | VC Round, Series B, Series A Extension |
| Highland Capital Partners | Series B |
| Valley Capital Partners | VC Round, Series B, Series A Extension, Series A |
| Horizon Technology Finance Corporation | Debt |
| Samsung | Series B |
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Market signals
Structured signals derived from secondary market and firmographic data.
- May 19, 2026
Recognized by Gartner as a leading XDR player.
- Apr 24, 2026
Over 30% of top MSSPs now use the platform.
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Recent news
Latest coverage and updates
- attends_eventOct 29, 2026
Stellar Cyber attends VSTECS CXO Tech Summit 2026, where senior systems engineer Robert Valencia discusses connecting security data during an interview on the event's sidelines.
- attends_eventOct 29, 2026
Stellar Cyber attends PAGO Security Summit 2026, where its Aimei Wei argues that fast triage, generated investigation reports and custom agents become increasingly common across vendors.
- launchesOct 7, 2026
Stellar Cyber releases version 7.0 of its security operations platform with AI-assisted case handling and multi-tenant automation for managed security service providers on Oct 8th '26.
- recognized_asSep 3, 2026
Stellar Cyber is recognized by MarketsandMarkets as a Progressive Company in its latest 360Quadrant for the Network Detection and Response market on Sep 3rd '26 in Florida.
- recognized_asSep 3, 2026
MarketsandMarkets' 360Quadrants platform recognizes Stellar Cyber as a Progressive Company in the Network Detection and Response (NDR) market in Florida on Sep 3rd '26.
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Stellar Cyber 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.
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Frequently Asked Questions
Common questions about Stellar Cyber's valuation, stock price, and market status.
Is Stellar Cyber a public or private company?
Stellar Cyber is a private company.
What is the current stock price of Stellar Cyber?
Stellar Cyber is a private company, so its shares have no public market price. Caplight tracks Stellar Cyber's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Stellar Cyber worth (valuation)?
Stellar Cyber's valuation is estimated at $288.7M based on funding round data.
Can I buy Stellar Cyber stock?
Stellar Cyber shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Stellar Cyber's last funding round?
Stellar Cyber's most recent funding round was Debt on April 16, 2026.
Who are the main investors in Stellar Cyber?
Key investors in Stellar Cyber include Monroe Capital, Susquehanna International Group, Highland Capital Partners, Valley Capital Partners, Highland Capital Partners.
Will Stellar Cyber IPO soon?
No public IPO plans have been announced for Stellar Cyber.
How can I track Stellar Cyber secondary market activity?
Caplight tracks bids, offers, and trades in Stellar Cyber's shares on secondary markets.