/Investor DB

Modern Technical — Full Portfolio

22 tracked investments · listed companies and verified rows first

6 River Systems6river.com

Boston, US

Rylan Hamilton(Founder)inJerome Dubois(Founder)Christopher Cacioppo(Founder)

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.

San Francisco, US

Greg Sands(Founder & Managing Partner)inAmy Cheethamin

Co-investorsCostanoa VenturesEden Road CapitalFoundryUnion Grove Venture PartnersCherry VenturesRain Capital

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(Founder)inDaniel Marashlian(Founder)inTroy Markowitz(Founder)in

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

Co-investorsAAF Management Ltd.Alkeon InnovationBallistic VenturesBasis Set VenturesComcast VenturesConverge+22 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)inBilly Bosworth(Founder)Jacques Nadeau(Founder)

Co-investorsRedpoint VenturesSapphire VenturesInsight PartnersAlpha Square GroupCisco InvestmentsDTCP+6 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 BlackOlima VenturesEssence 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-investorsCowboy VenturesICON - Israel Collaboration NetworkTLV PartnersY CombinatorAccuro TrusteesOUP (Osage University Partners)+2 more

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-investorsBain Capital VenturesCanvas VenturesMetaplanetNorwest Venture PartnersUncorrelated Ventures1517+4 more

Keycardkeycard.aiin𝕏Oct 2025 · $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)inMatthew Creager(Founder)inJared Hanson(Founder)in

Co-investorsAcrew CapitalAndreessen Horowitzboldstart venturesEssence Venture CapitalExceptional CapitalTapestry VC+2 more

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)inLeland Takamine(Founder)inJake Krupski(Founder)

Co-investorsCowboy VenturesDraper AssociatesAcronym Venture CapitalAllen Institute for AI (AI2) IncubatorDraper DragonEssence Venture Capital+6 more

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 VenturesRain Capital

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 VenturesCostanoa 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

AviraminAviram Hassan(Founder)Eyal Bukchin(Founder)

Co-investorsTLV PartnersTq Ventures Llc

Pluto Securitypluto.security

Pluto Security operates a security research function (Pluto Research) that investigates software supply-chain threats, such as malicious developer extensions and malware campaigns targeting developer workstations.

Cybersecurity

Shahar Bahat(Founder)inTal Ofer Regev(Founder)

Co-investorsICON - Israel Collaboration NetworkTLV Partners

RunRevealrunreveal.comin𝕏Apr 2025 · $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(Founder)inEvan J Johnson(Founder)inEvan Johnson(Founder)

BoardJohn Cowgill(Director)in

Co-investorsRuntime VenturesCostanoa VenturesOkta Ventures

Topogy (Formerly FinTe)topogy.comin𝕏

Topogy provides a platform for engineering teams to share contextual knowledge—including architecture patterns, service dependencies, and prior decisions—with both human engineers and AI agents.

AI & Machine LearningDeveloper ToolsEnterprise Software

Sha Ma(Former CTO at Catalyst and VP Engineering at GitHub and SendGrid)

BoardJohn Kozura(Former VP Engineering at Particle and Revolv)

Co-investorsGenerationship

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

DetectionsPhiarStealth Agent Orchestration PlatformStealth AI Security CompanyStealth Phishing Detection CompanyStealth Red Teaming PlatformStealth Solutions Engineering Automation Platform

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.