Arthur Ventures β Full Portfolio
76 tracked investments Β· listed companies and verified rows first
DNSFilter provides DNS security filtering that sorts malicious from legitimate DNS requests to protect users during work.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSWashington, US
Ken Carnesi(CEO and Co-founder)inKenneth B. Carnesi, Jr.(Executive Officer)Brian Gillis(Chief Architect)in
BoardThomas Krane(Director)inDmitri Alperovitch(Director)
Board seatRyan KruizengaΒ· per SEC Form D
Co-investorsInsight PartnersGula Tech AdventuresInner Loop CapitalTechstars
Documo builds secure fax and document workflow software for healthcare organizations, from small providers to large enterprises.
Cloud ComputingDigital HealthHealthtechSaaSLas Vegas, US
Matt Schultz(Director)Matthew Valeo(Executive Officer, Director)Ryan Kruizenga(Director)
BoardJordan Bettman(Director)in
Co-investorsRadian CapitalBigfoot Capital
The Villages, US
Thomas Showalter(Executive Officer, Director)Mark Hinshaw(Director)
Board seatPatrick MeenanΒ· per SEC Form D
Co-investorsAssurant VenturesRice
Circadian Risk offers a physical security risk and compliance assessment platform that lets organizations monitor risk across multiple locations, run assessments against any compliance standard, and manage remediation from a single dashboard.
CybersecurityEnterprise SoftwareSaaSAnn Arbor, US
Daniel Young(Executive Officer, Director)inGustave Lipman(Director)inMichael Martin(Executive Officer)
Board seatPatrick MeenanΒ· per SEC Form D
Co-investorsTamiami AngelTribes VenturesRoll Tack Ventures
Cybrary provides online cybersecurity training courses, certification prep programs, and hands-on labs for individuals and enterprise teams.
CybersecurityEdTechSaaSRiverdale, US
Ryan J. Cory(Executive Officer, Director)Ralph, Jr. P. Sita(Executive Officer, Director)Jeremy Gehring(Executive Officer, Director)
BoardKlee Kleber(Executive Officer, Director)inRon Gula(Director)inJim Curry(Director)in
Board seatRyan KruizengaΒ· per SEC Form D
Co-investorsBuildGroupGula Tech AdventuresInner Loop CapitalNew Stack VenturesStoneMill Ventures
Middletown, US
Jacob Cloran(Executive Officer, Director)Matthew Tait(Executive Officer, Director)
Board seatPatrick MeenanΒ· per SEC Form D Β· $11.5M raise Β· filed Apr 2023
Wilmington, US
Board seatRyan KruizengaΒ· per SEC Form D Β· $5M raise Β· filed Jun 2024
Factal provides real-time verification of critical global events and risk intelligence for organizations, combining AI analysis with human journalists to detect early signals from social media.
AI & Machine LearningEnterprise SoftwareGovTechSeattle, US
Benjamin Tesch(Executive Officer)Cory Bergman(Executive Officer, Director)Charles Tillinghast(Executive Officer, Director)
Board seatPatrick MeenanΒ· per SEC Form D
Co-investorsBreakwater VenturesSeaChange
Handl Health is an AI platform that aggregates publicly available healthcare pricing data to help insurance brokers and benefits consultants optimize health plans and identify cost savings opportunities.
AI & Machine LearningData & InfrastructureHealthtechInsurTechCerritos, US
RiainAishwaria Shah(Executive Officer, Director, Promoter)Ahmed Marmoush(Executive Officer, Director, Promoter)in
Board seatRyan KruizengaΒ· per SEC Form D
Co-investorsBoutique Venture PartnersEverywhere VenturesTau VenturesTechstarsMucker CapitalRiverfront Ventures, LLC
Grand Junction, US
Jacob Hart(Executive Officer, Director)Amy Burgess(Executive Officer)John Hart(Executive Officer, Director)
Board seatRyan KruizengaΒ· per SEC Form D Β· $5M raise Β· filed May 2023
Nashville, US
William K. Norton(Executive Officer, Director)Samuel J.H. Beutler(Executive Officer, Director)
Board seatPatrick MeenanΒ· per SEC Form D Β· $4.5M raise Β· filed Nov 2024
Carmel, US
Ryan Allyn Lococo(Executive Officer, Director)Justin Hatcher(Director)Robert Macklin(Director)
Board seatJake OlsonΒ· per SEC Form D Β· $9.4M raise Β· filed Jun 2026
Monona, US
Amanda Parker(Executive Officer)Jordan Liebl(Executive Officer)Ben Zimmerman(Executive Officer, Director)
BoardDan Reed(Director)Barbara Bufkin(Director)
Board seatRyan KruizengaΒ· per SEC Form D Β· $11.5M raise Β· filed Oct 2025
Philadelphia, US
William Tyler Caldwell(Executive Officer, Director)Elizabeth Taylor(Executive Officer, Director)Brent L. Mills(Director)
BoardAmanda Greene(Director)Phil Jones(Director)
Board seatJeff YureckoRyan KruizengaΒ· per SEC Form D Β· $2.6M raise Β· filed Aug 2026
Sacramento, US
"Michael ""Mac""" Clemmens(Executive Officer, Director)
BoardJEFFREY COOK(Director)DENNIS STEPHAN JR.(Director)ROBERT RODRIGUEZ(Director)
Board seatRyan KruizengaΒ· per SEC Form D Β· $7.9M raise Β· filed Jan 2025
ThreatLocker provides Zero Trust endpoint cybersecurity that blocks all applications, scripts, and processes by default and only allows explicitly approved ones, protecting against ransomware and unauthorized code.
CybersecurityEnterprise SoftwareSaaSOrlando, US
Samantha Jenkins(Executive Officer, Director)Daniel Jenkins(Executive Officer, Director)Danny Jenkins(Founder)inRoss McIntosh(Executive Officer)Rob Allen(Executive Officer, Director)Michael Jenkins(Executive Officer)
Board seatRyan KruizengaΒ· per SEC Form D
Co-investorsElephant PartnersKoch Disruptive TechnologiesLeawood Venture Capital Llc
TJM Labs builds AI agents that automate pharmacy operational tasks such as prescription intake, data entry, refills, prior authorization, and patient communication, working across pharmacies' existing systems with pharmacist oversight.
AI & Machine LearningDigital HealthHealthtechSaaSBear, US
Jonathan Adly(Founder & CEO)in
Board seatPatrick MeenanΒ· per SEC Form D
Co-investorsUpdata Partners
Zartico provides a visitor intelligence platform (ZDOS/Z5) that combines geolocation, spending, and other data sets to help destination marketing organizations, agencies, resorts, and tourism operators understand visitor behavior, attribute marketing performance, and measure economic impact.
Data & InfrastructureMarketing TechTravel & HospitalitySalt Lake City, US
Jay Kinghorn(Executive Officer, Director)Sarah Lehman(Executive Officer, Director, Promoter)
BoardDarren Dunn(Director)
Board seatRyan KruizengaΒ· per SEC Form D
Co-investorsUtah Governorβs Office of Economic Development (GOED)Bigfoot Capital
Hartland, US
Raymond, Jr. E. Seaver(Executive Officer, Director)Raymond E. Seaver, Jr.(Executive Officer, Director)
BoardRichard Gallun(Director)Kevin Hill(Director)
Board seatRyan KruizengaΒ· per SEC Form D Β· $1.5M raise Β· filed Apr 2026
Aqua provides a platform that automates the management of alternative investment assets for investors.
FintechNew York City, US
Rohan Marwaha(Founder)inDev Patel(Founder)in
Co-investorsY CombinatorGradient Ventures
Athennian is a governed entity management platform that centralizes fund, SPV and portfolio company data, including ownership hierarchies, cap tables, approvals and compliance records, in a single system.
AI & Machine LearningEnterprise SoftwareFintechLegalTechSaaS
Adrian C.(Founder)inMark Tinana(Founder)in
Co-investorsBCF VenturesCentana Growth PartnersCerity Partners VenturesRound13 CapitalThin Air Labs
Avalara provides tax calculation, returns and reporting, and compliance document management for businesses operating at global scale.
Cloud ComputingEnterprise SoftwareFintechSeattle, US
Jared Vogt(Director)Scott McFarlane(Executive Officer, Director)Alesia Pinney(Executive Officer)Kevin Riegelsberger(Executive Officer)
BoardChelsea Stoner(Director)Edward Gilhuly(Director)
Co-investorsBattery VenturesGlasswing VenturesGolub GrowthPremji InvestSageview CapitalSusquehanna Growth Equity+3 more
BeSmartee provides lending software for banks and mortgage lenders, including automated financial spreading with AI analysis for commercial credit and a configurable mortgage point-of-sale platform.
AI & Machine LearningFintechSaaS
Catalyze develops, finances, builds, owns, and operates on-site renewable energy systems β combining solar, storage, and EV charging β for commercial and industrial real estate owners and operators across national portfolios in the US, with no upfront capital cost to the property owner.
CleantechClimate TechEnergyPropTechSaaSMadison, US
Mohan Balachandran(Executive Officer, Director)Travis Good(Executive Officer, Director)
BoardMark Bakken(Director)James Burgum(Director)Don Layden(Director)
Co-investorsEnCap Energy TransitionInnosphere VenturesBaird Venture PartnersChicago VenturesLewis & Clark Ventures
CertifID provides a secure platform for real estate closings, protecting the movement of funds like earnest money deposits and cash to close for buyers, sellers, and title agents.
CybersecurityFintechPropTechGrand Rapids, US
Lawrence Duthler(Executive Officer)Thomas W. Cronkright(Executive Officer, Director)Tyler Adams(Executive Officer, Director)inTom Cronkright
BoardMike DeVries(Director)
Co-investorsCentana Growth PartnersID VenturesMichigan Capital NetworkWakestream Ventures
ClarionDoor is a rating and product-delivery platform for insurers and MGAs to configure rating logic, quote, bind coverage, and launch specialty products across distribution channels without waiting on core system updates.
FintechInsurTechSaaS
Corporate Finance Institute (CFI) is an online training platform offering certifications and courses in financial modeling, valuation, FP&A, financial analysis, business intelligence, and related finance and AI skills.
EdTechFintechSaaS
Co-investorsCRV (Charles River Ventures)
DataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app.
AI & Machine LearningData & InfrastructureEdTechNew York City, US
Jonathan Cornelissen(Executive Officer, Director, Promoter)inDieter de Mesmaeker(Executive Officer, Director, Promoter)Martijn Theuwissen(Executive Officer, Director, Promoter)
Co-investorsCOTU VenturesSpectrum EquityTechstarsAccomplice
Decimal provides outsourced accounting services β including bookkeeping, bill pay, payroll, tax, and financial reporting β delivered by a dedicated team of experts and supported by technology.
Enterprise SoftwareFintechSaaS
Fuse Energy develops fusion energy technology, with work spanning hardened electronics and radiation testing (HEART) and recycling of radioactive waste, aiming to provide an on-demand clean energy source.
CleantechDeep TechDefense TechEnergy
Co-investorsAbstract VenturesMantis CapitalWorldQuant VenturesKoch Disruptive Technologies
Formations provides S-Corp setup and management, bookkeeping, payroll, tax preparation, and financial dashboards for self-employed professionals and solo business owners.
FintechSaaS
Co-investorsMontage Capital
Foundant provides cloud-based software for foundations, grantmakers, scholarship providers, and other nonprofit organizations, covering grant management, scholarship management, donor management, fund accounting, CRM, and fundraising/event management.
Cloud ComputingImpact & Social GoodSaaS
Gridbase is an AI-powered facilities intelligence platform that unifies building assets, maintenance, work orders, and floor plans into one location-based system with interactive 3D maps.
AI & Machine LearningPropTechSaaS
Handl provides API-based document classification and data extraction using AI, converting documents into structured data for enterprise customers.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechSaaSSan Francisco, US
Alexei Hahunov(Founder)inDima Matskevich(Founder)in
Co-investorsY CombinatorBoutique Venture PartnersMucker CapitalRiverfront Ventures, LLCZeno Ventures
Handl Health is an AI platform that aggregates and analyzes publicly available healthcare price transparency data to help insurance brokers and benefits consultants build and maintain affordable health plans for their clients.
AI & Machine LearningData & InfrastructureDigital HealthHealthtechInsurTech
Ahmed(Co-founder)inRia(Co-founder)inScott(Technology/Engineering Leader)inAlison(Marketing Leader)in
Co-investorsRiverfront Ventures, LLCTau Ventures
Hudu is a documentation and knowledge management platform that captures, standardizes, and centralizes IT infrastructure documentation, passwords, and organizational knowledge.
Developer ToolsEnterprise SoftwareSaaSFort Collins, US
Jacob Hart(Founder)inJohn Hart(Founder)in
Co-investorsY Combinator
IdeaRoom provides online product configurator and design software for sellers of pre-engineered metal buildings, sheds, carports, post frame, RV covers, and garages, letting customers design structures online and get quotes.
Construction TechSaaSSales TechBoise, US
Russ Whitney(Founder)
Ionic Framework is an open-source UI toolkit for building cross-platform mobile, web, and desktop apps from a single codebase using web technologies, with support for React, Angular, and Vue.
Developer ToolsSaaS
Jane is cloud-based practice management software for interdisciplinary health clinics, handling online booking, charting, scheduling, invoicing, payment processing, and insurance billing.
Digital HealthHealthtechSaaS
Alison Taylor(Founder)inTrevor Johnston(Founder)in
Co-investorsJMI EquityRibbit CapitalStripes
Keap provides CRM, marketing automation, and sales software for small businesses, offering tools to organize contacts, run marketing campaigns, and manage sales.
Marketing TechSaaSSales TechBrooklyn, US
Stephen Tracy(Executive Officer, Director)Harry A Doull(Executive Officer, Director)
Co-investorsKickstart
Medvelle offers an AI-powered inventory and procurement platform that lets med spas and aesthetic practices order all their supplies and equipment from one place, comparing offers across 20+ suppliers to reduce costs and order time.
AI & Machine LearningHealthtechSaaS
Northteq develops AurΓ΄ra, an end-to-end loan origination system for equipment finance lenders, including automated application-to-funding workflows, auto-decisioning, partner/vendor portals, APIs, and embedded finance components.
FintechSaaSSales Tech
Nucleus Security offers a unified exposure management platform that consolidates security data from 200+ sources, prioritizes vulnerabilities with threat intelligence, and automates remediation workflows.
CybersecurityGovTechSaaSSarasota, US
STEPHEN CARTER(Executive Officer, Director)SCOTT KUFFER(Director)inSteve Carter(Co-founder & CEO)inScott Kuffer(Founder)inNICHOLAS FLEMING(Director)MICHAEL NIXON(Director)
Co-investorsAviso VenturesDcode CapitalDelta-v CapitalLead Edge Capital
Office Puzzle is an all-in-one software platform for ABA (Applied Behavior Analysis) therapy practices, combining scheduling, data collection, clinical documentation, reporting, payroll, and billing in one system.
Digital HealthHealthtechSaaS
One Click Contractor is a sales platform for home improvement and remodeling contractors that provides fast estimating tools, integrated measurements, branded proposals, e-signatures, and payment collection.
Construction TechSaaSSales Tech
OptiFunder provides Warehouse Management Systems that connect mortgage originators and warehouse lenders across the funding lifecycle, from funding through paydown.
FintechPropTechSaaS
Paubox provides HIPAA compliant email security for healthcare organizations, using generative AI to detect and block phishing, ransomware, and social engineering attacks before they reach the inbox.
AI & Machine LearningCybersecurityDigital HealthHealthtech
Hoala Greevy
Co-investors500 Global
Payroll Integrations offers an API platform that connects payroll systems to employee benefit plans such as 401k and retirement accounts, automating the transmission of payroll, census, and deferral data.
FintechHR TechSaaS
Pearly is a patient billing and payments platform for dental practices, DSOs, and dental groups, using automation and data science to handle dental billing, accounts receivable management, and payment plans.
FintechHealthtechSaaSSanta Barbara, US
Co-investorsScOp Venture Capital
Perry Weather provides on-site weather stations and a mobile/web dashboard that deliver hyperlocal data (WBGT, lightning, precipitation, wind, air quality) and automated safety alerts via app or outdoor sirens.
Climate TechIoTSports Tech
Co-investorsTeamworthy Ventures
Minneapolis, US
Brock Noland(Executive Officer, Director)Adam Fokken(Executive Officer, Director)Ryan Bosshart(Executive Officer, Director)McDonald Noland(Executive Officer)Michael Cleveland(Executive Officer)
BoardRyan Kruizenga(Director)in
PKI Solutions develops PKI Spotlight, a real-time monitoring and alerting software that provides visibility across enterprise public key infrastructures (PKI) and Hardware Security Modules for security and post-quantum readiness.
CybersecurityEnterprise SoftwareSaaSPortland, US
Mark B. Cooper(Founder)
PureSpectrum offers a market research technology platform, centered on its PureSpectrum Experience (PSX), that connects people, technology, and quality to support the research workflow for research stakeholders.
BiotechData & InfrastructureMarketing TechSaaSWestlake Village, US
Michael McCrary(Executive Officer, Director)inZoran Cvetojevic(Executive Officer)
BoardPatrick Meenan(Director)inEileen Campbell(Director)
Co-investorsTA Associates
Recast Software provides endpoint management tools, including Right Click Tools and Application Workspace, that add visibility, automated patching, privilege control, and application delivery on top of Microsoft Configuration Manager and Intune.
CybersecurityEnterprise SoftwareSaaS
RFX is a healthcare compliance platform that consolidates eight modulesβcovering provider credentialing, sanctions monitoring, incident reporting, staff records, learning management, contracts, and policy bindersβinto a unified system for regulatory compliance and patient safety.
Digital HealthHealthtechSaaS
Senior Sign provides software for senior living and care providers, integrating with platforms such as PointClickCare, WelcomeHome, and MatrixCare to sync data and reduce duplicate data entry.
HealthtechLongevitySaaS
SimplyAgree is a software platform for legal deal teams that automates transaction closing workflows, including creating signature packets, managing electronic signatures, and building closing binders.
Enterprise SoftwareLegalTechSaaS
Co-investorsLegalTechLiebenthal VenturesBigfoot Capital
SlicedHealth offers GROW, a payer contract intelligence platform that converts complex healthcare contracts into structured data and uses AI to analyze claims, contracts, and payments, helping identify underpayments, denials, and revenue leakage.
AI & Machine LearningDigital HealthSaaS
Stensul provides a no-code, AI-enabled platform for enterprise marketing teams to build, review, and launch emails and landing pages within brand and compliance guardrails.
Enterprise SoftwareMarketing TechSaaS
Noah Dinkin(Founder)in
Co-investorsJavelin Venture PartnersSageview CapitalUS Venture PartnersCapital One VenturesLowercase CapitalPeak State Ventures+1 more
Steppingblocks provides data analytics tools built on machine learning that process alumni career profiles to help students make career decisions and support universities with workforce-readiness insights.
AI & Machine LearningData & InfrastructureEdTechAtlanta, US
CARLO MARTINEZ(Executive Officer, Director)LEVI PERKINS(Executive Officer, Director)ROBERT GANNAWAY(Executive Officer, Director)
Stream provides infrastructure for building AI applications and real-time communication features including chat, video, feed, and moderation across multiple platforms.
AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareBoulder, US
Thierry Schellenbach(Founder)in
Co-investorsTechstarsFelicis VenturesSocial StartsUpslope VenturesUpVentures CapitalV1 VC+5 more
Streamline AI provides a workflow platform for legal intake, triage, and management designed for in-house legal departments.
AI & Machine LearningEnterprise SoftwareLegalTechSaaSBurlingame, US
Kathy M. Zhu(Founder)inJulian Wimbush(Founder)
Co-investorsBlumberg CapitalLegalTechOceans VenturesRidge VenturesScribble Ventures
Streamline is a SaaS website platform built specifically for special districts and local government agencies, offering ADA-compliant sites, a regulatory compliance dashboard, online payment collection, and communication tools.
GovTechPropTechSaaS
Co-investorsGovtech VenturesVery Serious Ventures
TINYpulse is an employee feedback and engagement software platform that helps organizations measure and enhance workplace culture, boost retention, and improve performance through tools for feedback collection, recognition, and communication.
Future of WorkHR TechSaaS
Co-investorsBaseline VenturesHigh Alpha
Total Expert is a platform for financial services firms that helps financial leaders deliver customer experiences and drive business outcomes.
Enterprise SoftwareFintechSaaSEden Prairie, US
Joseph Welu(Executive Officer, Director)William Foster(Executive Officer)
BoardPatrick Meenan(Director)inJeffrey Hinck(Director)inJustin Kaufenberg(Director)in
Co-investorsEmergence Capital PartnersRally Ventures Management, Llc
VBA provides a SaaS suite of enterprise administration software for healthcare payers and insurers, covering claims processing, benefits administration, customer support portals, analytics, and interoperability.
HealthtechInsurTechSaaSMilwaukee, US
Rick Ellsworth(Chief Operating Officer)
Co-investorsSpectrum Equity
WhenIWork provides software for shift-based workplaces to manage scheduling, communications, and team coordination.
Future of WorkHR TechSaaSSaint Paul, US
Chad Halvorson(Founder)Garret Voight(Principal Designer & Co-Founder)Dan Olfelt(Co-Founder)Daniel Olfelt(Founder)inJeffrey Imm(Executive Officer)
BoardJohn Tedesco(Director)
Co-investorsBain Capital Tech OpportunitiesCamber PartnersDrive CapitalGreycroftHigh AlphaGreycroft Partners+1 more
Rows marked βSEC filingβ are inferred from directors named on the company's SEC Form D β public regulatory data, not a portfolio list published by the firm.






















