Rain Capital — Full Portfolio
38 tracked investments · listed companies and verified rows first
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
Cloud email and data security platform protecting sensitive enterprise data.
Amir Kavousian(Founder)in
Co-investorsFelicis VenturesAccompliceSalesforce VenturesSlack Fund
Astrix provides security solutions for AI agents and non-human identities (NHIs) in enterprise cloud environments, helping organizations discover, secure, and govern API keys, OAuth tokens, and service accounts across their infrastructure.
AI & Machine LearningCybersecurityEnterprise Software
Alon Jackson(Founder)inAlon Jackson Idan Gour(Founder)Idan Gour(Founder)
Co-investorsAlphaDriveBessemer Venture PartnersCRV (Charles River Ventures)F2 Venture CapitalMenlo VenturesVenrock+1 more
Better Auth is an open-source authentication framework for TypeScript applications that provides composable, plugin-based authentication with support for multiple methods including credential auth, social sign-on, passkeys, and enterprise features.
CybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Bereket Engida(Founder)inRavindra MistriinKinfeMichael Tariku(Founder)
Co-investorsChapter OneLobster CapitalP1 VenturesPeak XV PartnersPioneerSeaplane Ventures+9 more
Bolster is a marketplace and search platform matching startups with full-time, fractional, interim and board-level executives.
Santa Clara, US
Abhishek Dubey(Founder)in
Co-investorsCervinCheyenne VenturesCrosslink CapitalCyber Mentor FundM12 (Microsoft's Venture Fund)CERVIN VENTURES+3 more
Capsule8 developed runtime security and attack detection software for Linux production environments, protecting cloud workloads, containers, and servers.
Cloud ComputingCybersecurityEnterprise Software
John Viega(Founder)in
Co-investorsBessemer Venture PartnersClearSkyIntel CapitalSyn Ventures Seed Management LlcAramco VenturesIndex Ventures
Runway helps founders understand financial data and spreadsheets.
AI & Machine LearningEnterprise SoftwareFintechSaaS
Anastasis Germanidis(Founder)inCristóbal Valenzuela(Founder)inSiqi Chenin
BoardDylan FieldHenry Ward
Co-investors500 GlobalAndreessen HorowitzChamaeleonCrosscourt VenturesDreamers VCInitialized Capital+9 more
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
Team82 is a cybersecurity vulnerability and threat research team that identifies software and firmware vulnerabilities in cyber-physical systems.
AI & Machine LearningCybersecurityIoT
Galina Antova(Founder)inYaniv VardiinAmir Zilberstein(Founder)Benny Porat(Founder)
BoardDavid Millstone(co-CEO of Standard Industries and co-CIO of Standard Investments)
Co-investorsArcher Capital GroupArcher Venture CapitalAster CapitalB CapitalBessemer Venture PartnersBMW i Ventures+18 more
Clover Security provides context-aware AI agents for product security that detect risks, run automated security reviews, generate threat models from codebases, and enforce security policies within engineering workflows.
AI & Machine LearningCybersecurityDeveloper Tools
Alon Kollmann 🍀(Founder)inOr Chen(Founder)inAlon Kollmann(Founder)
Co-investorsNotable CapitalTeam8Team8 Capital
Costanoa is a venture capital firm that backs early-stage founders solving large, difficult problems, providing long-term partnership and operational support.
Greg Sands(Founder)inAmy Cheethamin
Co-investorsCostanoa VenturesFoundryUnion Grove Venture PartnersCherry VenturesModern Technical
Costanoa is a venture capital firm that invests in early-stage founders solving large, technically hard problems, with a focus on enterprise software companies.
Enterprise Software
Co-investorsBCIFoundryACME CapitalACTivate CapitalArcTern VenturesCherry Ventures+5 more
Elisity provides an identity-based microsegmentation platform that turns existing network infrastructure (Cisco, Arista, Aruba, Juniper switches and Palo Alto firewalls) into policy enforcement points to discover devices and enforce least-privilege access without agents, new hardware, or re-IPing.
CybersecurityEnterprise SoftwareIoTSaaSSan Jose, US
Brian Thompson(Executive Officer)inJames Winebrenner(Executive Officer, Director)inBurjiz Pithawala(Founder)Srinivas Sardar(Founder)Sundher Narayan(Founder)
BoardBrian Long(Director)in
Co-investorsAllegisCyber CapitalAtlantic Bridge VenturesInsight PartnersTwo Bear CapitalALLEGIS CAPITALTCV
Fleak builds a data normalization and quality platform that automatically structures fragmented data inputs for use in AI systems and analytics pipelines.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise Software
Bo LeiYichen Jin
Co-investorsCisco InvestmentsHivemind Capital PartnersOakseed VenturesSAV (Scale Asia Ventures)SmartGateVC
JupiterOne provides security asset management and visualization software that helps organizations map and monitor their digital infrastructure and security posture in a unified platform.
Cloud ComputingCybersecurityEnterprise SoftwareSaaS
Erkang Zheng(Founder)inPaul Forte(Chief Executive Officer)in
Co-investors11.2 Capital515 VenturesBain Capital VenturesCisco InvestmentsIntel CapitalSapphire Ventures+2 more
Check Point Software Technologies is a cybersecurity company that provides threat prevention solutions for enterprises, governments, service providers, small and medium businesses, and consumers.
AI & Machine LearningCloud ComputingCybersecurityDeveloper ToolsEnterprise SoftwareSaaSTel Aviv, IL
David Haber(Founder)inMateo Rojas-Carulla(Founder)Matthias Kraft(Founder)
Co-investorsAtomicoBrightmindExpedite VenturesFly VenturesCiti VenturesDropbox Ventures+2 more
Lema provides an AI-powered risk engineering platform that investigates vendor security posture and third-party risk through technical verification rather than standard compliance questionnaires.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Co-investorsF2 Venture CapitalTeam8Team8 Capital
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
Minimus develops security solutions for cloud-native applications, founded by the team behind Twistlock.
Cloud ComputingCybersecurityDeveloper ToolsNew York City, US
Ben Bernstein(CEO & Co-Founder)inDima Stopel(VP R&D & Co-Founder)inJohn Morello(CTO & Co-Founder)in
Co-investorsMayfield FundOregon Venture FundYL Ventures
Mitiga provides cloud incident response and breach prevention software using AI-driven detection and forensic analysis for enterprises.
AI & Machine LearningCloud ComputingCybersecurity
Ariel Parnes(Founder)inCharlie Thomasin
Co-investorsAtlantic Bridge VenturesCisco InvestmentsClearSkyDnx VenturesGlilot Capital PartnersSyn Ventures Seed Management Llc
Oasis Labs develops privacy-preserving data analytics and AI tools using differential privacy, homomorphic encryption, and zero-knowledge proofs for organizations that need to analyze sensitive data while protecting individual privacy.
AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsPalo Alto, US
Dawn Song(Founder)inBobby Jaros(Executive Officer)Noah JohnsonRaymond Cheng
Co-investors1k(x)1kx500 GlobalAmino CapitalAndreessen HorowitzAngelONE Capital+25 more
Orum offers an AI-powered dialing and coaching platform that helps sales development teams run cold calling as a system, maximizing live conversations by detecting who answered first, optimizing connect rates, and providing coaching insights.
AI & Machine LearningSaaSSales TechSan Francisco, US
Karthik Viswanathan(Executive Officer, Director)inJason Dorfman(Executive Officer, Director)in
BoardAyush Sood(Director)
Co-investorsCanapi VenturesCraft VenturesHomebrewInspired CapitalUnusual VenturesAbstract Ventures+20 more
OX Security provides application security solutions that help organizations identify and prioritize exploitable, reachable, and impactful risks across the software development lifecycle.
AI & Machine LearningCybersecurityDeveloper ToolsNew York City, US
Neatsun Ziv(Founder)inLior Arzi(Founder)in
Co-investorsEvolution Equity PartnersM12 (Microsoft's Venture Fund)Swisscom VenturesDTCPTeam8
ProjectDiscovery offers Neo, an autonomous AI-powered security testing platform that continuously scans web applications, APIs, and cloud infrastructure to identify and verify vulnerabilities with high accuracy and minimal false positives.
AI & Machine LearningCybersecurityDeveloper Tools
Rishiraj Sharma(Founder)inSandeep Singh(Founder)inMarco Rivoli(Founder)Nizamul Rana(Founder)
Co-investorsAccelAngel Collective Opportunity FundCRV (Charles River Ventures)Lightspeed India PartnersLightspeed Venture PartnersMango Capital+5 more
runZero provides an exposure management platform that discovers and fingerprints IT, OT, IoT, cloud, mobile, and remote assets without agents or credentials, giving security teams visibility into their attack surface.
AI & Machine LearningCybersecurityIoTSaaS
HD Moore(Founder; Chief Research Officer of Dragos)in
BoardRobert M. Lee(Chairman and CEO of Dragos)in
Co-investorsDecibel PartnersStoneMill Ventures
Satori provides a data security platform that enables self-service access to data across analytics and production environments while applying dynamic masking and access control policies.
CybersecurityData & InfrastructureEnterprise Software
Co-investorsB Capital GroupB4 CapitalEvolution Equity PartnersYL Ventures
Seemplicity provides an AI-driven platform that automates exposure management and remediation for security teams, turning vulnerability findings into prioritized, actionable tasks delivered through existing tools.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Yoran Sirkis(CEO and Co-Founder)inRavid Circus(Chief Product Officer and Co-Founder)inRotem Cohen Gadol(Chief Technology Officer and Co-Founder)in
Co-investorsAtlantic Bridge VenturesGlilot Capital PartnersNTT Venture CapitalSienna Venture CapitalS Capital
Simbian builds an AI-driven security operations (SecOps) platform that uses autonomous AI agents to investigate alerts, run threat hunts, conduct penetration tests, and manage network and firewall operations for enterprise and MSSP security teams.
AI & Machine LearningCybersecurityEnterprise Software
Ambuj Kumar(CEO & Co-Founder)inAlankrit Chona(CTO & Co-Founder)inSumedh Barde(Chief Product Officer)in
Co-investorsCota CapitalIcon VenturesWipro Ventures
SOC Prime offers an AI-driven platform for detecting cyber attacks, using detection intelligence to let security teams orchestrate detections across data pipelines, AIDR, EDR, data lakes, and SIEM.
AI & Machine LearningCybersecurityData & Infrastructure
Alex Bredikhin(Founder)in
Co-investorsAngel OneAtlantic Bridge VenturesDigital Future Investments LtdDnx VenturesJ-VenturesRembrandt Venture Partners+3 more
SPLX offers a security platform for enterprise AI systems, covering automated red teaming, runtime protection against prompt injections and data leakage, governance and compliance mapping, and remediation.
AI & Machine LearningCybersecurityEnterprise SoftwareDover, US
Kristian Kamber(Founder)inAnte Gojsalic(Founder)in
BoardStanislav Sirakov(Director)in
Co-investorsDNV VenturesInovo VCLauncHub VenturesLAUNCHub VenturesSouth Central VenturesRuntime Ventures
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
Tetrate builds AI governance and routing infrastructure for enterprises, including a service that routes queries to models based on cost, performance, and policy, and a director product for centralized governance and visibility across teams and providers.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareMilpitas, US
Hongtao Gao(Founder)inVarun Talwar(Founder)inJeyappragash Jeyakeerthi(Founder)
Co-investorsFalconX VenturesHumans Of The InternetNTT Venture Capital8VCDell Technologies CapitalSapphire Ventures
Tinfoil develops secure hardware and systems, with expertise in privacy and security protocols.
AI & Machine LearningCloud ComputingCybersecurityDeep TechDeveloper ToolsEnterprise SoftwareHardwareSan Francisco, US
Tanya Verma(Founder)inJules Drean(Founder)inSacha Servan-Schreiber(Founder)inDanielle Chun(Head of Operations)in
Co-investorsPioneerY CombinatorFelicis VenturesFounder CapitalKima VenturesLiquid Ventures+5 more
Tuskira offers FedSOC, a federated detection platform that generates security detections across distributed telemetry and correlates signals across 150+ security tools without centralizing logs.
AI & Machine LearningCybersecurityEnterprise SoftwareDanville, US
Piyush Sharma(Co-founder, CEO)Vipul Parmar(Co-founder, CTO)inPiyush Sharrma(Founder)inOm Moolchandani(Founder)in
Co-investorsIntel CapitalSyn Ventures Seed Management LlcWipro Ventures
Ventrilo is an AI assistant platform that provides support for writing, research, and productivity tasks while prioritizing user control and creative enhancement over automation.
AI & Machine LearningDeveloper ToolsSaaSSan Francisco, US
Andy Chou(Executive Officer, Director)in
Co-investorsAndreessen HorowitzInception Studio Capital
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
CloverSPLX
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.






























































































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