Fundraising Fox
Rain Capital
Venture capitalBellevue · Pre-Seed–Series A · 9 people tracked
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Investment thesis
Rain Capital invests at the pre-seed, seed, and Series A stages, backing companies through their earliest critical growth phases. The firm focuses on three converging and compounding domains: AI, cybersecurity, and healthtech. It views AI as an accelerant of innovation, cybersecurity as the layer protecting intelligent systems, and healthtech as the application of both to improve human outcomes. Sourcing is expert-led and community-assisted, leveraging relationships with exceptional founders and leading academic institutions to identify opportunities early.
Source: firm website, verified Aug 3, 2026.
Team · 9 people
from the firm's website & curated & public directories
What they invest in
from 32 of 37 portfolio companiesAI & Machine Learning ×25Cybersecurity ×24Enterprise Software ×20Developer Tools ×11SaaS ×10Cloud Computing ×8Data & Infrastructure ×6IoT ×3
HQs:United States×15Israel×2
Who they back
founder profiles across 23 portfolio companiesFounding team size:solo founder×112 founders×63 founders×44+ founders×2
Where their founders studiedfrom 30 founders with education data
Technion ×4Stanford University ×3Bar-Ilan University ×2Indian Institute of Technology Kanpur ×2Reichman University ×2
What their founders studiedfrom 32 founders with field-of-study data
Computer Science ×23Business & Management ×7Engineering ×7Mathematics & Statistics ×2Physics ×2
Where their founders worked beforefrom 35 founders with career history
Microsoft ×8Palo Alto Networks ×4NVIDIA ×3IDF ×2Israeli Military Intelligence - Unit 8200 ×2Twitter ×2YL Ventures ×2
Accelerator rootsportfolio companies that came through a program
3 founders hold a PhD · 7 hold an MBA (of 32 with degree data)
Investments · 37 tracked
founders shown can be your intro pathBy year:2026 · 52025 · 12024 · 22023 · 22022 · 22019 · 113 dated
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 HorowitzChamaeleonDreamers VCInitialized CapitalShrug Capital+8 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
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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 Venture PartnersMango CapitalPoint72 Ventures+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
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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
Exits · 4
4 acquisitions · showing 2Better Authacq. by VercelCapsule8acq. by Sophos
Portfolio news
latest coverage across their companies
Better Auth · better-auth.com · Jul 7, 2026
Straiker · prnewswire.com · Jun 29, 2026
Minimus · thesaasnews.com · Jun 9, 2026
Costanoa Ventures · globenewswire.com · Mar 18, 2026
Claroty · prnewswire.com · Jan 22, 2026
Clover Security · securityweek.com · Nov 26, 2025
Seemplicity · seemplicity.ai · Aug 20, 2025
Tinfoil · ycombinator.com · May 21, 2025
Frequently asked questions
- How many investments has Rain Capital made?
- Rain Capital has 37 tracked investments, 4 of which have exited, including 6 dated in the last 24 months.
- What stage does Rain Capital invest at?
- Rain Capital invests at the Pre-Seed, Seed, Series A stages.
- What sectors does Rain Capital focus on?
- Rain Capital focuses on AI & Machine Learning, Cybersecurity, Healthtech.
- Where is Rain Capital located?
- Rain Capital is headquartered in Bellevue, US.
- Does Rain Capital lead rounds?
- Rain Capital typically participates in rounds rather than leading them.
- Who does Rain Capital co-invest with?
- Rain Capital most often shares deals with Atlantic Bridge Ventures, Andreessen Horowitz, Bessemer Venture Partners, among 135 tracked co-investors.
- What size deals does Rain Capital back?
- Across 7 deals with disclosed amounts, Rain Capital has joined rounds of $6M – $64M (median $10M).
Media · Podcasts & interviews
featuring the teamBreaking Barriers as a Woman in Cybersecurity | Chenxi Wang, Founder, Rain Capital
SquareX · Chenxi Wang
Interview with Chenxi Wang, Managing General Partner, Rain Capital
The Montgomery Summit · Chenxi Wang
Dr. Chenxi Wang \\ Founder and General Partner of Rain Capital
CybHER · Dr. Chenxi Wang
Chenxi Wang - Founder at Rain Capital (Full Interview)
TAG Infosphere · Chenxi Wang
Chenxi Wang, Rain Capital | CUBE Conversation, March 2018
SiliconANGLE theCUBE · Chenxi Wang
Co-investors · 15
BCV Labs is the platform and hands-on support arm of Bain Capital Ventures, providing portfolio founders with go-to-market strategy, brand development, hiring assistance, and customer introductions.
CRV is a venture capital firm that backs founders at the seed and Series A stages, focusing on those with deep conviction and unique insights.
Mayfield is a venture capital firm that invests in early-stage consumer and marketplace companies, backing founders from inception through IPO.
SignalFire is a seed-stage venture capital firm that combines a full-team support model with its data-driven Beacon AI platform to back founders.
Decibel is an early-stage venture firm that backs technical founders building essential software for engineering and security teams.
LAUNCHub Ventures is an early-stage venture firm backing founders from Central and Eastern Europe and the CEE diaspora, investing from pre-seed onward.
ForgePoint Capital is a thesis-driven venture firm investing in early-stage companies in cybersecurity, AI, and infrastructure software.
Lightspeed India focuses on solving India-specific problems rather than copying U.S. or China playbooks, invests mostly at the seed and Series A stage but can offer much larger follow-on funding through its global platform, and writes checks from about $1 million to $100 million across India and Southeast Asia using the same fund. The firm also provides dedicated in-house support in areas like talent, leadership, and M&A, has added experienced operators such as former Boat CEO Vivek Gambhir and Gojek cofounder Kevin Aluwi as venture partners, prefers secondary share sales over IPOs as its main way of returning capital, and sees India's biggest AI opportunity in application-layer tools and upgrading IT and BPO work rather than building foundational AI infrastructure.
Sequoia Capital is a venture capital firm that partners with founders to build technology companies.
Coatue Management is a technology-focused investment firm that invests in innovation across both public and private markets with responsible risk management.
Cyberstarts is a venture capital firm that partners with cybersecurity founders from day one, using a systematic process and an extensive CISO network to help build industry-defining cybersecurity companies.
Blu Ventures (Blu Venture Investors) is an early-stage investment firm founded by former operators, backing founders building cybersecurity companies, with AI as a driving force across its portfolio.
▶3 more co-investors
Firms observed investing alongside Rain Capital, from public investor directories. Shared companies are the overlap with Rain Capital's recorded portfolio.
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