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.

Computer & Network Security San Jose, United States Founded 2017 ~125 employees

Work at Stellar Cyber in HR or recruiting? Claim this page

Employees
125
+0.8% in the 3 months to Sep 2026
Revenue / employee
$280K
Revenue ~$35M
Total funding
$93.5M
Last round Aug 2023
12-month attrition
14.4%
Tech: 12%
H1B filings, FY2026
6
Sponsors visas
Open jobs
11
Last 30 days

Headcount trend

Stellar Cyber went from 113 employees in Oct 2024 to 125 in Sep 2026. Apr to Sep 2026: 5 people joined, 8 left.

Org structure

Headcount by department

Engineering53
Other24
Sales21
Success7
Operations6
Marketing6
HR5
Finance1

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

Salaries at Stellar Cyber

All salaries

3 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering16
Operations2

The department split adds up all the years listed above. FY2026 alone: 6 filings.

Peer reviews

Worked with someone at Stellar Cyber?

Anonymous peer reviews on OffTheRecord

Read or write a review

Hiring now

Similar companies

Stellar Cyber FAQ

How many employees does Stellar Cyber have?

Stellar Cyber has about 125 employees, up 0.8% over the 3 months to Sep 2026.

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 $280K in revenue per employee, based on $35M annual revenue and 125 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.