Stellar Cyber
Stellar Cyber is a cybersecurity company founded in 2015 by Aimei Wei. The company focuses on enhancing security operations through artificial intelligence and automation. Its primary offering is the Stellar Cyber Open XDR Platform, an AI-driven, unified SecOps platform that helps enterprise and managed security service provider (MSSP) teams efficiently detect, correlate, and respond to cyber threats across various environments, including on-premises and cloud. The Open XDR Platform integrates multiple security functions, such as AI-powered SIEM, NDR, ITDR, and UEBA, into a single platform. It normalizes and enriches data from various sources to provide a comprehensive view of threats. The platform features Agentic AI, which collaborates with human analysts to triage alerts and generate case summaries, enhancing productivity and effectiveness. Stellar Cyber serves over 14,000 customers in more than 50 countries, helping them identify hidden threats across their attack surfaces. The company is recognized for its innovation in AI-driven cybersecurity and has a leadership team with extensive experience in the field.
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Headcount trend
Stellar Cyber went from 96 employees in Jul 2023 to 124 in Jun 2025. Jan to Jun 2025: 15 people joined, 8 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsSalaries at Stellar Cyber
All salaries3 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 6 filings.
Funding
- Aug 2023 · $33.7M · Highland Capital Partners, Valley Capital Partners
- Nov 2021 · Series B · $38M · Highland Capital Partners, Samsung, Valley Capital Partners
- Nov 2020 · Debt Financing · $1.5M · Valley Capital Partners
- Mar 2020 · Series A · $7.1M · Susquehanna International, Valley Capital Partners, Big Basin Ventures
- Feb 2019 · Series A · $13.2M · Northern Light Venture Capital, Digital Hearts
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Stellar Cyber FAQ
How many employees does Stellar Cyber have?
Stellar Cyber has about 124 employees, up 5.1% over the 3 months to Jun 2025.
Does Stellar Cyber sponsor H1B visas?
Yes. Stellar Cyber filed 6 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Stellar Cyber's revenue per employee?
Stellar Cyber makes about $282K in revenue per employee, based on $35M annual revenue and 124 employees.
How much does Stellar Cyber pay?
6figr has 3 salary profiles for Stellar Cyber in the US, with pay broken down by role, level, gender and ethnicity on the Stellar Cyber salaries page. See Stellar Cyber salaries
How much funding has Stellar Cyber raised?
Stellar Cyber has raised $93.54M in total funding.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.