/Investor DB

Rain Capital — 2026 Investments

5 investments dated 2026 · listed companies and verified rows first · show all

Manifold Securitymanifold.securityinMar 2026✓ verified

Manifold builds AI Detection and Response security for enterprises deploying autonomous AI agents, monitoring agent behavior at runtime across source code, pipelines, and production systems.

AI & Machine LearningCybersecurityEnterprise Software

Co-investorsCherry VenturesModern TechnicalCostanoa Ventures

Clariogetclario.aiin𝕏Jun 2026 · $6M

Clario identifies and removes redundant, obsolete, and trivial unstructured data across enterprise content systems so organizations reduce storage, lower risk, and create cleaner data foundations for AI.

AI & Machine LearningData & InfrastructureEnterprise Software

Co-investorsGolden Sparrow Ventures, LlcMoment Ventures, LlcAV8 VenturesFoster VenturesPage One VenturesPreface Ventures+2 more

Costanoa Venturescostanoa.vcinMar 2026

Costanoa is a venture capital firm that backs early-stage founders solving large, difficult problems, providing long-term partnership and operational support.

San Francisco, US

Greg Sands(Founder & Managing Partner)inAmy Cheethamin

Co-investorsCostanoa VenturesFoundryUnion Grove Venture PartnersCherry VenturesModern Technical

Manifoldmanifold.incin𝕏Mar 2026 · $8M

Manifold operates a frontier AI lab providing GPU compute infrastructure with hardware-backed data protection and confidential computing capabilities.

AI & Machine LearningCloud ComputingData & InfrastructureAustin, US

Co-investorsDigital Currency GroupCherry VenturesCostanoa VenturesModern Technical

Straikerstraiker.aiin𝕏Jul 2026 · $64M

Straiker builds security software for enterprise AI agents, offering agent discovery, autonomous red teaming for attack paths, and runtime protection across tools, data, MCP servers, and workflows.

AI & Machine LearningCybersecurityEnterprise SoftwareMountain View, US

Ankur Shah(Founder)inSreenath Kurupati(Founder)in

Co-investorsBain Capital VenturesGTM CapitalLightspeed Venture PartnersNeva Sgr.Citi VenturesIlluminate Financial+2 more

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.