StoneMill Ventures — Full Portfolio

Enterprise networking (Wi-Fi, switches, SD-WAN) with cloud-managed security for campuses & branches

Keerti Melkote(Founder)Pankaj Manglik(Founder)

Co-investorsAMAmplify PartnersARArtis VenturesASAsset Management CompanyCECervinGOGolub GrowthICICCP Venture Partners+12 more

Atomicorp provides security and compliance automation for workloads deployed across cloud and datacenter environments, built on the OSSEC open source foundation.

Cloud ComputingCybersecurityDeveloper ToolsEnterprise SoftwareSaaS

SSScott Shinn(CTO and co-founder)inMSMichael Shinn(CEO and co-founder)in

PartnerMSMichael Sutton· solo GP

Co-investorsBLBlu Venture InvestorsLELeawood Venture Capital Llc

PartnerMSMichael Sutton· solo GP

Co-investorsMAMaryland TEDCOOLOld Line Capital PartnersTETEDCO

Santa Monica, US

Alex Matrosov(Founder)Alex Matrosov Claudiu Teodorescu(Founder)

PartnerMSMichael Sutton· solo GP

Co-investorsCACanaan PartnersCICisco InvestmentsOLOlive Tree CapitalTWTwo Bear CapitalBLBlu Venture InvestorsEMEmerging Ventures

PartnerMSMichael Sutton· solo GP

Co-investorsYLYL Ventures

Cybrary provides online cybersecurity training courses, certification prep programs, and hands-on labs for individuals and enterprise teams.

CybersecurityEdTechSaaSRiverdale, US

RJRyan J. Cory(Executive Officer, Director)RJRalph, Jr. P. Sita(Executive Officer, Director)inJeremy Gehring(Executive Officer, Director)

BoardKKKlee Kleber(Executive Officer, Director)inRGRon Gula(Director)inJCJim Curry(Director)in

PartnerMSMichael Sutton· solo GP

Co-investorsBUBuildGroupGUGula Tech AdventuresINInner Loop CapitalNENew Stack VenturesARArthur Ventures

DeepSig develops machine learning software for wireless communications, specializing in signal processing, spectrum sensing, and 5G optimization.

AI & Machine LearningDeep TechDefense TechArlington, US

JSJames Shea(Founder)inTOTim O'Shea(Founder)inBrendan Fallis(Director)Wesley Blackwell(Director)

PartnerMSMichael Sutton· solo GP

Co-investorsSCScout VenturesSCScout VenturesBLBlu Venture InvestorsLELeawood Venture Capital LlcLOLockheed Martin Ventures

Feroot discovers and monitors third-party scripts, tags, and trackers on websites to detect malicious or unwanted code and block threats.

CybersecurityEnterprise SoftwareSaaSToronto, CA

ITIvan Tsarynny(Founder)inVLVitaliy Lim(Founder)in

PartnerMSMichael Sutton· solo GP

Co-investorsNENEXT AITRTrue VenturesY Y CombinatorANAndros15 VenturesHAHaystackINIndustry Ventures+2 more

Fixify provides an AI-assisted IT service desk that integrates with a customer's existing ticketing and productivity tools to automate routine support tasks, backed by a human team that handles designated issue categories.

AI & Machine LearningEnterprise SoftwareSaaS

Mase Issa(Founder)Matt Peters(Founder)Peter Silberman(Founder)

PartnerMSMichael Sutton· solo GP

Co-investorsAVAviso VenturesDEDecibel PartnersPAPaladin Capital GroupSCScale Venture PartnersCOCostanoa Ventures

Fleet Device Management is the company behind an open-source device management platform that enrolls millions of laptops, servers, and other devices across Apple, Linux, Windows, and Android.

CybersecurityDeveloper ToolsEnterprise SoftwareSan Francisco, US

ZWZach Wasserman(Cofounder)inMMMike McNeil(CEO)in

BoardRCReid Christian(Director)inMHMark Hatfield(Director)inSBSuresh Batchu(Director)in

PartnerMSMichael Sutton· solo GP

Co-investorsCRCRV (Charles River Ventures)MOMoonfire VenturesOPOpen Core VenturesTETen ElevenCOCota CapitalGTGTMfund

Gradient Works provides a territory design platform that connects account scoring, territory planning, book management, lead routing, and pipeline analytics for B2B commercial sales teams.

AI & Machine LearningEnterprise SoftwareSaaSSales TechAustin, US

HDHayes Davis(Co-Founder & CEO)in

Co-investorsFRFrontera Technology VenturesSTStage 2 CapitalANAnthos CapitalGUGula Tech Adventures

GreyNoise collects primary scanning and exploitation data to provide actionable threat intelligence for cybersecurity defenders.

CybersecurityData & InfrastructureEnterprise SoftwareWashington, US

AMAndrew Morris(Founder)inADAsh Devata(Chief Executive Officer)in

PartnerMSMichael Sutton· solo GP

Co-investorsCRCRV (Charles River Ventures)GUGula Tech AdventuresINIn-Q-TelINInner Loop CapitalPAPaladin Capital GroupRARadian Capital

Grip provides security tooling that discovers and classifies risk across SaaS services and web apps, identifying risky identities and accounts to help security teams close gaps, prioritize access controls, and maintain SaaS and identity compliance.

AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSaaS

LYLior Yaari(Founder)inAlon Shenkler(Founder)Idan Fast(Founder)

PartnerMSMichael Sutton· solo GP

Co-investorsINIntel CapitalTHThird Point VenturesYLYL Ventures

GroupSense develops patented cyber reconnaissance and threat intelligence technology to help organizations manage the volume of threat intelligence data.

CybersecurityEnterprise SoftwareSaaSArlington, US

KMKurtis Minder(Executive Officer, Director, Promoter)inKelly Milan(Executive Officer, Director)Deborah Pearce(Executive Officer)Tom Richards(Executive Officer)Michael Kostoff(Director)ABAdam Bregenzer(Executive Officer)in

PartnerMSMichael Sutton· solo GP

Co-investorsIRIrishAngelsTHThree Tree Ventures

PartnerMSMichael Sutton· solo GP

Co-investorsENEntrepreneurs Roundtable Accelerator (ERA)

Huntress provides enterprise-grade cybersecurity solutions designed for businesses of all sizes, focusing on threat detection and response to protect organizations against hackers.

AI & Machine LearningCybersecurityEnterprise SoftwareSaaSColumbia, US

KHKyle Hanslovan(Founder)inCBChris Bisnett(Founder)inJFJohn Ferrell(Founder)inMEMarcos E. Torres(Executive Officer)in

BoardEBErnie Bio(Director)inSVSuken Vakil(Director)in

PartnerMSMichael Sutton· solo GP

Co-investorsBLBlu Venture InvestorsBRBroad Street AngelsFOForgePoint CapitalGUGula Tech AdventuresJMJMI EquityKLKleiner Perkins+9 more

LimaCharlie provides security infrastructure for MSSPs and enterprise security teams, using AI "agentic operators" that connect to clients' existing tools via API to automate queue work such as email quarantine, endpoint approvals, DLP violations, and alert triage.

AI & Machine LearningCybersecuritySaaS

PartnerMSMichael Sutton· solo GP

Co-investorsHUHumba VenturesIRIronGate Capital AdvisorsLYLytical VenturesSTStrategic Cyber VenturesSTStreamlined VenturesCOCoFound Partners Venture+6 more

Link Labs builds IoT-based real-time location and asset-tracking systems that provide indoor and outdoor visibility of equipment, inventory, and personnel for manufacturing and logistics operations.

Advanced ManufacturingIoTLogistics & Supply ChainAnnapolis, US

Robert B. Proctor(Executive Officer, Director)BEBrian E. Ray(Executive Officer, Director)in

BoardCGChristopher G. College(Director)in

Co-investorsTCTCP Venture CapitalBLBlu Venture Investors

New York, US

Edwin Upchurch(Executive Officer, Director)Peter Kogge(Executive Officer, Director)Jay Brockman(Executive Officer)Michael J Maulick(Executive Officer, Director)Martin Deneroff(Executive Officer)

BoardJames Hunt(Director)

PartnerMSMichael Sutton· solo GP

Co-investorsIRIrishAngels

PartnerMSMichael Sutton· solo GP

Co-investorsYLYL Ventures

Orca Security offers an agentless cloud security platform (CNAPP) that scans cloud accounts, code, containers, and AI workloads to detect, prioritize, and remediate risks from development through runtime.

Cloud ComputingCybersecuritySaaSPortland, US

GGGil Geron(Founder)inASAvi Shua(Founder)inEty Spiegel Hubara(Founder)inLALiran Antebi(Founder)inMatan Ben Gur(Founder)inShay Filosof(Founder)in

PartnerMSMichael Sutton· solo GP

Co-investorsCACapitalGCICisco InvestmentsFLFlyover CapitalHAHarmony PartnersICICONIQLALauder Partners+6 more

PartnerMSMichael Sutton· solo GP

Co-investorsDEDell Technologies CapitalI3i3 PartnersMOMoreVC

RackTop Systems develops BrickStor, a cyberstorage platform that actively defends data against ransomware, insider threats, and data theft through inline inspection and real-time response at the storage layer.

CybersecurityData & InfrastructureDefense TechWashington, US

EBEric Bednash(Co-founder)inJHJonathan Halstuch(Co-founder)in

PartnerMSMichael Sutton· solo GP

Co-investorsEAEastward Capital PartnersGRGrotech VenturesGUGula Tech AdventuresMAMaryland TEDCORARazor's Edge VenturesTETEDCO

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

HMHD Moore(Founder; Chief Research Officer of Dragos)in

BoardRMRobert M. Lee(Chairman and CEO of Dragos)in

PartnerMSMichael Sutton· solo GP

Co-investorsDEDecibel PartnersRARain Capital

SCYTHE is a continuous Adversarial Exposure Validation (AEV) platform that emulates real adversary techniques (mapped to MITRE ATT&CK) against an organization's actual IT, cloud, and OT/ICS environments to validate that detection, alerting, and response controls work.

AI & Machine LearningCybersecurityEnterprise SoftwareSaaSArlington, US

BBBryson Bort(Chief Executive Officer)in

PartnerMSMichael Sutton· solo GP

Co-investorsENEnergy Impact PartnersGUGula Tech AdventuresEVEvolution Equity PartnersSASaas Ventures, L.L.C.HAHacker.Capital LLCINInner Loop Capital+4 more

A data security platform that detects sensitive data, monitors its movement across endpoints, browsers, SaaS, GenAI workflows and cloud environments, and blocks unauthorized data exfiltration.

Cloud ComputingCybersecurityData & InfrastructureEnterprise SoftwareSaaS

PartnerMSMichael Sutton· solo GP

PartnerMSMichael Sutton· solo GP

Tidal Cyber develops tools and services that help enterprises adopt MITRE ATT&CK framework for threat-informed defense.

CybersecurityEnterprise Software

RGRick Gordonin

PartnerMSMichael Sutton· solo GP

Co-investorsACAccess Venture PartnersBRBright Pixel CapitalDRDreamit VenturesGLGlasswing VenturesTFTFX CapitalACAccess Ventures+10 more

Todyl provides a unified cybersecurity platform for MSPs, IT, and security professionals to defend against threats, manage risk, and maintain compliance.

CybersecurityEnterprise SoftwareSaaSDenver, US

JGJohn G. Nellen III(Executive Officer, Director)John Nellen(Founder)

BoardSMSaid Mohammadioun(Director)in

PartnerMSMichael Sutton· solo GP

Co-investorsTETechOperators Venture CapitalANAnthos CapitalBABase10 PartnersBLBlu Venture InvestorsTETechnology Operators

Weehawken, US

Nazario Parsacala(Founder)

PartnerMSMichael Sutton· solo GP

Co-investorsCACanaan PartnersEVEvolution Equity PartnersLYLytical VenturesSHShasta Ventures

Valence provides a SaaS security platform that builds a complete inventory of sanctioned, unsanctioned, and shadow IT and AI applications, detecting risky integrations, OAuth tokens, service accounts, and non-SSO access.

AI & Machine LearningCybersecurityEnterprise SoftwareSaaS

YSYoni Shohet(Founder)in

PartnerMSMichael Sutton· solo GP

Co-investorsALAlumni VenturesM1M12 (Microsoft's Venture Fund)YLYL VenturesSTStageOne Ventures

Verisign operates critical internet infrastructure, serving as the registry for the .com and .net top-level domains and as the Root Zone Maintainer for the global Domain Name System.

Cloud ComputingCybersecurityData & InfrastructureEnterprise Software

JBJim Bidzos(Founder)inJames Bidzos(Founder)

Co-investorsBEBessemer Venture PartnersEVEverest GroupKLKleiner PerkinsMOMobility VenturesVEVedanta CapitalWEWestern Technology Investment+1 more

VisoTrust offers an AI-powered third-party risk management (TPRM) platform that automates vendor evidence collection, risk assessments, continuous monitoring, and reporting.

AI & Machine LearningCybersecuritySaaSSan Francisco, US

PVPaul Valente(CCO & Co-Founder)inRussell Sherman(Founder)Russ Sherman(CTO & Co-Founder)

PartnerMSMichael Sutton· solo GP

Co-investorsBABain Capital VenturesCICisco InvestmentsGTGTM CapitalLYLytical VenturesRERecall CapitalSISierra Ventures+1 more

Tenable provides an AI-powered exposure management platform that unifies security visibility, insight, and action across an organization's entire attack surface, including infrastructure, cloud, identity, and operational technology environments.

AI & Machine LearningCybersecurityEnterprise Software

Roy Hodir(Founder)Tal Morgenstern(Founder)Yaniv Bar-Dayan(Founder)

PartnerMSMichael Sutton· solo GP

Co-investorsDADawn CapitalTETen ElevenWIWipro Ventures

Zscaler operates a cloud-based cybersecurity platform built on Zero Trust architecture to protect users, workloads, branches, and devices across an inline security cloud.

Cloud ComputingCybersecurityEnterprise SoftwareSan Jose, US

JCJay Chaudhry(Founder)inRSRobert Schlossman(Executive Officer)inRemo Canessa(Executive Officer)inSNSyam Nair(Executive Officer)inCharles Giancarlo(Director)Karen Blasing(Director)

Co-investorsALAlphaDriveANAnsa CapitalAVaVentureBRBright Pixel CapitalCACapitalGDEDell Technologies Capital+3 more