HiddenLayer invests in Morgan Stanley
Funding Provisional 86% confidence first seen
HiddenLayer raised a $100 million Series B round led by Delta-v Capital, with participation from Morgan Stanley among other backers including Microsoft’s M12 and Ten Eleven Ventures. The article says HiddenLayer will use the funding to expand sales and distribution and to extend its runtime and supply-chain security products toward threats like prompt injection, agent manipulation, and malicious tool use. This matters as AI deployments grow and enterprises seek dedicated security for models, agents, and workflows.
The deal
HiddenLayer $100 million Series B · announced 2 Sep 2026
Investors Delta-v Capital Microsoft M12 Morgan Stanley Microsoft’s M12 M12
Deal terms as reported in the coverage below.
Decision brief
- What changed
- HiddenLayer raised a $100 million Series B round led by Delta-v Capital, with participation from investors including Morgan Stanley and Microsoft’s M12. According to the coverage, HiddenLayer plans to use the funding to expand sales and distribution and to extend its AI runtime and supply-chain security products to threats such as prompt injection, agent manipulation, and malicious tool use.
- Why it matters
- This signals that capital is flowing into vendors focused specifically on securing AI models, agents, and workflows as enterprise AI adoption expands. For business leaders evaluating AI deployment at scale, the raise suggests a maturing market for dedicated AI security controls beyond traditional cybersecurity tooling. It also indicates that buyers may soon face a broader set of commercial offerings aimed at runtime and supply-chain risks in AI systems.
- Evidence
- The information comes from a single TechCrunch report stating that HiddenLayer raised $100 million in a Series B led by Delta-v Capital, with participation from Morgan Stanley, Microsoft’s M12, and others. The same report says the company will use the funding to expand go-to-market efforts and broaden product coverage for AI-specific threats.
- What remains uncertain
- The coverage does not disclose HiddenLayer’s valuation, revenue traction, customer adoption, or whether Morgan Stanley is also a commercial user, so the strategic significance of that participation is unclear. It also does not independently verify product effectiveness against threats like prompt injection or agent manipulation, so any assumptions about market leadership or technical differentiation remain unconfirmed.
- Monitor next
- Watch for disclosed enterprise customer wins, product launches, or independent validations showing how HiddenLayer’s tools perform against runtime and AI supply-chain threats in production environments.
Analytical support, not advice — assumptions and open questions stated above.