Fundraising Fox

Modern Technical β€” Full Portfolio

22 tracked investments Β· listed companies and verified rows first

6 River Systems6river.com

Boston, US

Rylan Hamilton(President)Jerome Dubois(Treasurer and Secretary)

Co-investorsEclipse VenturesMenlo VenturesNorwest Venture Partners

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.

Greg Sands(Founder)inAmy Cheethamin

Co-investorsCostanoa VenturesFoundryUnion Grove Venture PartnersCherry VenturesRain Capital

Detectionsdetections.ai

Co-investorsWebb Investment Network

Dratadrata.comin𝕏

Drata offers a compliance automation platform that centralizes controls and evidence, continuously monitors controls, and tracks remediation so teams can maintain audit readiness across multiple frameworks.

AI & Machine LearningCybersecurityEnterprise SoftwareSaaSSan Diego, US

Adam Markowitz(Chief Executive Officer & Co-Founder)inDaniel Marashlian(Chief Technology Officer & Co-Founder)inTroy Markowitz(Chief Operating Officer & Co-Founder)in

BoardTim Jackson(Director)William Griffith(Director)Oren Yunger(Director)

Co-investorsAAF Management Ltd.Alkeon InnovationBallistic VenturesBasis Set VenturesComcast VenturesConverge+11 more

Dremiodremio.comin𝕏

Dremio provides an Agentic Lakehouse platform that enables fast, governed access to enterprise data across multiple sources without ETL, with an AI Semantic Layer for business context and autonomous infrastructure management.

AI & Machine LearningData & InfrastructureEnterprise Software

Tomer Shiran(Founder)inSendur Sellakumar(CEO)in

Co-investorsSapphire VenturesInsight PartnersRedpoint VenturesAlpha Square GroupCisco InvestmentsDTCP+5 more

Effxeffx.com

effx built a platform to help engineering teams collaborate and work more productively, with a focus on microservices architectures.

Developer ToolsEnterprise SoftwareSaaS

Co-investorsCowboy VenturesESSENCE VCKleiner PerkinsTokyo BlackEssence Venture Capital

Elementaryelementary-data.comin𝕏

Elementary builds data observability tools that monitor data quality and reliability for modern data teams.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareTel Aviv-Yafo, IL

Maayan Salom(Founder)inOr Avidov(Founder)in

Co-investorsY CombinatorOUP (Osage University Partners)

Fossafossa.comin𝕏

FOSSA provides audit-grade open source license compliance software that scans codebases with full-text analysis to detect licenses, enforce policies, and automatically generate attribution documents.

AI & Machine LearningCybersecurityDeveloper ToolsLegalTechSaaSSan Francisco, US

Kevin Wang(Founder)in

Co-investorsCanvas VenturesMetaplanetNorwest Venture Partners1517Bain Capital VenturesCostanoa Ventures+2 more

Keycardkeycard.aiin𝕏Oct 2025 Β· $38M

Keycard provides infrastructure for AI agents to operate safely and securely in production environments, enabling developers to connect agents to services across multiple clouds while maintaining identity, policy, and audit controls.

AI & Machine LearningCloud ComputingCybersecurityDeveloper Tools

Ian Livingstone(Founder, CEO)inMatthew Creager(Founder, Product & Marketing)inJared Hanson(Founder, Technology)in

Co-investorsAcrew CapitalAndreessen Horowitzboldstart venturesExceptional CapitalMantis Capital

Keycardkeycard.shin𝕏

Keycard provides access control and identity management for AI agents, resolving a composite identity (user, device, agent, task) and issuing short-lived, least-privilege credentials scoped to each task when an agent requests access to tools, APIs, and data.

AI & Machine LearningCybersecurityDeveloper Tools

Co-investorsTapestry VCVermilion Cliffs VenturesAcrew CapitalAndreessen Horowitzboldstart venturesEssence Venture Capital

Maestromaestro.dev𝕏

Maestro is an open-source mobile UI testing tool that runs human-readable YAML end-to-end tests on iOS simulators and Android emulators, with a CLI, visual test IDE (Studio), cloud runner, and an MCP server for AI agents.

AI & Machine LearningCloud ComputingDeveloper ToolsSan Francisco, US

Jacob Krupski(Founder)Leland Takamine(Founder)

Co-investorsAcronym Venture CapitalDraper AssociatesDraper DragonEssence Venture CapitalNetEaseNew Stack Ventures+3 more

Manifoldmanifold.incin𝕏Mar 2026 Β· $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 VenturesRain Capital

Manifoldmanifoldindustries.aiinMar 2026 Β· $8M

Manifold builds autonomous warehouse robots that perform case picking, palletizing, and trailer loading/unloading, combined with orchestration software that connects to existing ERP, WMS, and WES systems.

Advanced ManufacturingAI & Machine LearningHardwareLogistics & Supply ChainRoboticsLos Angeles, US

Joshua Ibrahim(Founder)inNicolas Yeh(Founder)in

Co-investorsY CombinatorCalibrate VenturesCherry VenturesCostanoa VenturesIndustry VenturesRain Capital+2 more

Manifold Securitymanifold.securityin

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-investorsRain CapitalCherry Ventures

Metalbearmetalbear.comin𝕏

MetalBear builds mirrord, a development platform that enables developers and AI agents to code against real cloud environments locally instead of using staging clusters or ephemeral environments.

AI & Machine LearningCloud ComputingDeveloper Tools

Aviramin

Co-investorsTLV Partners

RunRevealrunreveal.comin𝕏Apr 2025 Β· $7M

RunReveal is a security operations platform that ingests, normalizes, enriches, and analyzes security logs, with AI-powered detection and response built in via native AI chat and a Model Context Protocol server.

AI & Machine LearningCybersecurityData & InfrastructureAustin, US

Alan Braithwaite(CTO & Co-Founder)Evan Johnson(CEO & Co-Founder)Evan J Johnson(Founder)in

BoardJohn Cowgill(Director)in

Co-investorsCostanoa VenturesOkta VenturesRuntime Ventures

Stealth Agent Orchestration Platform
Stealth AI Security Company
Stealth Phishing Detection Company
Stealth Red Teaming Platform
Stealth Solutions Engineering Automation Platform
Topogy (Formerly FinTe)topogy.comin𝕏

Topogy provides a context layer for AI-native software engineering, giving teams shared system context and tracking architectural consistency and outcomes.

AI & Machine LearningDeveloper ToolsEnterprise Software

Co-investorsGenerationship

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