Stellar Cyber offers an AI-driven, open and unified SecOps platform that consolidates security data and integrates with more than 500 third-party security tools. The platform combines machine learning, agentic AI, and human-augmented decision-making to improve analyst productivity and reduce false positives, with the company citing analyst productivity improvements of more than 80% and false positives reduced by over 90%. Stellar Cyber is purpose-built to serve managed security service providers (MSSPs) and enterprise teams and is trusted by one-third of the world’s top 250 MSSPs. The company says its technology supports over 14,000 organizations across more than 50 countries. Founded in 2015, Stellar Cyber is backed by Highland Capital Partners, Susquehanna Ventures and Valley Capital Partners. Following the new $25 million delayed-draw senior credit facility from Horizon Technology Finance, Stellar Cyber plans to accelerate platform development and expand its go-to-market reach.

Total raised

$83M

Funding rounds

4

Latest round

Debt Financing

Latest activity

Apr 2026