What is Nucleus?
Nucleus Security operates at the intersection of cybersecurity and operational efficiency, providing a unified platform for vulnerability management. By aggregating data from a wide array of security and business tools, the platform enables organizations to prioritize threats and mitigate risks with unprecedented speed. The company's value proposition is centered on its ability to replace manual, fragmented processes with dynamic, automated workflows. As a FedRAMP authorized vendor, Nucleus is uniquely positioned to serve high-security environments, including government entities and complex enterprise networks, by delivering a single pane of glass for comprehensive digital asset protection.
How much funding has Nucleus raised?
Nucleus has raised a total of $86.1M across 3 funding rounds:
Series A
$3.1M
Series B
$63M
Series C
$20M
Series A (2021): $3.1M with participation from Arthur Ventures
Series B (2024): $63M led by Arthur Ventures and Lead Edge Capital Management
Series C (2026): $20M supported by Delta-v Capital
Key Investors in Nucleus
Arthur Ventures
Arthur Ventures is an early growth capital firm that specializes in leading investments in B2B software companies across the U.S. and Canada, focusing on maximizing value in the growth phase.
Lead Edge Capital Management
Lead Edge Capital is a growth equity investment firm that focuses on investing in private and public software, internet, consumer, and tech-enabled services businesses on a global scale.
Delta-v Capital
Delta-v Capital provides flexible growth capital solutions to innovative technology companies, focusing on infrastructure software, cloud services, and vertical software.
What's next for Nucleus?
With this latest capital injection, Nucleus is poised to accelerate its product roadmap and expand its footprint within the federal and enterprise markets. The strategic focus will likely center on enhancing its automated vulnerability management capabilities and deepening its integration ecosystem to support increasingly complex hybrid cloud environments. As the threat landscape continues to evolve, Nucleus is well-positioned to leverage its recent financing to scale its operations, attract top-tier engineering talent, and maintain its competitive edge in the rapidly growing exposure management market. The company's commitment to FedRAMP compliance remains a cornerstone of its growth strategy, ensuring it remains the preferred choice for organizations requiring rigorous security standards.
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