Harpoon Ventures — Full Portfolio

Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.

Climate TechDeep TechEnergyHardware

MMatt(Co-founder)inYYasir(Co-founder)in

Co-investorsALAlumni VenturesBABanca Investis — Family OfficeBABasecamp FundBLBlack FlagBRBrave CapitalCRCrosscut Ventures+25 more

Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.

Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US

JGJohn Gedmark(Founder/CEO)inRMRyan McLinko(Founder/CTO)in

Co-investorsANAndreessen HorowitzBLBlack FlagBOBoxGroupCACantos VenturesCHCherubic VenturesCOCommonweal Ventures+39 more

Buoyant develops Linkerd, a service mesh platform for Kubernetes that enables organizations to build secure, reliable, and observable software infrastructure.

Cloud ComputingDeveloper ToolsEnterprise Software

WMWilliam Morgan(Founder)inOGOliver Gould(Founder)in

Co-investorsA.A.Capital VenturesDCDCVC (Data Collective)WEWebb Investment NetworkBEBenchmarkBUBuoyant Ventures Management, LlcFUFuel Capital

Capable is a vertically integrated, AI-enabled deeptech platform developing peptide and nucleotide therapeutics using automated polymer synthesis, drawing on rare human genetic variants.

AI & Machine LearningBiotechDeep Tech

Co-investorsGOGoAhead VenturesHOHOF CapitalABAble PartnersALAlleyCorpM1M13

Cellular Intelligence develops cell therapy treatments, specifically acquiring STEM-PD, a Phase 2-ready therapy for Parkinson's disease.

AI & Machine LearningBiotechMedical Devices

MBMicha Breakstone(CEO & co-founder)inAllon Klein(Scientific Co-founder)inOlivier Pourquié(Scientific Co-founder)inCTCliff Tabin(Scientific Co-founder)inJay Shendure(Scientific Co-founder)in

Co-investorsASAstellas Venture Management LLCFUFusionLELerer HippeauMAmark vcSCSciFi VCENEntrée Capital+1 more

CyCognito provides an external attack surface management (ASM) platform that continuously discovers, tests, and prioritizes exposures across an organization's internet-facing assets, subsidiaries, and third-party connections.

CybersecurityEnterprise SoftwareSaaS

RNRob N. Gurzeev(CEO and Co-Founder)inDPDima Potekhin(CTO and Co-Founder)in

Co-investorsACAccelAMAmiti VenturesBRBright Pixel CapitalCYCyber Mentor FundGEGeodesic CapitalKLKli Capital+6 more

Decodable is a fully-managed, serverless real-time data platform built on Apache Flink and Debezium for ETL/ELT, reverse ETL, and stream processing.

AI & Machine LearningData & InfrastructureSaaSWalnut, US

ESEric Sammer(Founder & CEO)in

BoardEBEthan Batraski(Director)in

Co-investorsVEVenrockBABain CapitalRARackhouse Venture Management LpSCScribble VenturesBABain Capital Ventures

deepset builds tools for developing custom LLM agents and applications, and created Haystack, an open-source Python framework used as an enterprise standard for AI agents and applications.

AI & Machine LearningDeveloper ToolsEnterprise Software

MRMilos Rusic(Founder)inMPMalte Pietsch(Founder)in

Co-investorsACAcequia Capital (AceCap)BABalderton CapitalGVGV (Google Ventures)LULunar VenturesSISignalRankSYSystem.One

eFlow extracts lithium from dilute brines in North America using direct lithium extraction technology, serving the clean energy and electric vehicle supply chain.

CleantechEnergyNew MaterialsSan Bruno, US

EMEric McShane(CEO and co-founder)EGEvan Gardner(CTO and co-founder)in

Co-investorsBLBlack FlagFIFifty YearsUNUnion Square Ventures (USV)VOVoyager Partners

Encord provides a data platform for developing and deploying multimodal AI systems, serving AI development teams at scale across training and production environments.

AI & Machine LearningData & InfrastructureEnterprise SoftwareRoboticsLondon, GB

USUlrik Stig Hansen(Co-Founder & President)inELEric Landau(Founder)in

Co-investorsBRBright Pixel CapitalCRCrane Venture PartnersCRCRV (Charles River Ventures)NENext47SOSonae IMY Y Combinator+2 more

EraDrive builds an AI-native software and hardware platform for spacecraft autonomy, covering space traffic management, on-orbit logistics, and space situational awareness.

AI & Machine LearningDefense TechSpace Tech

Justin(Co-founder & Chief Technology Officer)in

Co-investorsBLBlack FlagENEntropy Industrial CapitalPOPoint Nine

Firestorm Labs builds xCell, a containerized 3D-printing factory that produces modular military drones at the point of need.

San Diego, US

Daniel Magy(Executive Officer, Director, Promoter)CMChad McCoy(Founder)inIMIan Muceus(Founder)in

BoardTommy Hendrix(Director)AJAaron Jacobson(Director)in

Co-investorsBEBeyond CapitalBLBlack FlagBOBooz Allen VenturesBVBVVCCACapital FactoryDEDecisive Point+15 more

General Galactic is a space infrastructure company focused on building orbital and extraterrestrial infrastructure, drawing inspiration from science fiction concepts like propellant generation for off-Earth settlement.

Deep TechHardwareLogistics & Supply ChainSpace TechEl Segundo, US

HMHalen Mattison(Cofounder)inLNLuke Neise(Cofounder)in

Co-investorsANAntiPAPathbreaker VenturesSESeraphim SpaceUNUnruly CapitalRERefactor Capital

Genesis develops GEMS, an AI platform for drug discovery that identifies and optimizes drug candidates.

AI & Machine LearningBiotech

EFEvan Feinberg(Founder)inEFEvan Feinberg Ph.D.(CEO, Co-founder)

Co-investorsNVNVIDIAANAndreessen HorowitzBLBlue Ivy VenturesFEFelicis VenturesJAJAZZ Venture PartnersMEMenlo Ventures+3 more

Glyphic Biotechnologies develops ProSE™, a high-throughput de novo protein sequencing technology for analyzing proteomes with single-molecule sensitivity.

BiotechDeep TechBerkeley, US

DEDaniel Estandian(Founder)inEd Boyden(Founder)JYJosh Yang(Founder)in

BoardCACraig Asher(Director)inJimmy Yun(Director)in

Co-investorsARArtis VenturesBLBlack FlagCICivilization Ventures Management, LlcFOFoundersX VenturesLOLongeVCMOModi Ventures+5 more

Graphiant provides a software-based, unified network platform for connecting AI, cloud, SaaS, B2B, and branch environments.

Cloud ComputingData & InfrastructureEnterprise SoftwareSan Jose, US

SOStefan Olofsson(Founder)in

Co-investorsMVMVP VenturesTWTwo Bear CapitalATAtlantic Bridge VenturesIAIAG Capital PartnersSESequoia CapitalWAWa'ed Ventures

Hanover Park is an AI-native fund administrator that combines automated services with software for investment firms, handling tasks such as bill processing, evidence collection, investment updates, LP responses, and KPI reconciliation.

AI & Machine LearningFintechSaaSNew York City, US

Chris Hladczuk(Founder)in

Co-investorsBABackwards CapitalGVGV (Google Ventures)SISINEWAVE VENTURESSTSteel AtlasSTStrawberry Creek VenturesBABanana Capital+1 more

JITX develops software to automate hardware and circuit board design for electronics companies.

Advanced ManufacturingAI & Machine LearningDeep TechDeveloper ToolsHardwareRoboticsSan Francisco, US

DHDuncan Haldane(Founder/CEO)inJBJonathan Bachrach(Founder/Creative Director)inPatrick Napa(Co-founder)

Co-investorsY Y CombinatorFUFundersClubSESequoia Capital

Kodiak AI develops AI-powered autonomous ground transportation solutions, with initial focus on driverless trucking.

AI & Machine LearningLogistics & Supply ChainMobility & TransportationRoboticsCalifornia, US

DBDon Burnette(CEO & Founder)in

Co-investorsA'A'Z AngelsBABattery VenturesBMBMW i VenturesCRCRV (Charles River Ventures)LILightspeed Venture PartnersMAManhattan Venture Partners+7 more

Lumos builds autonomous security systems that protect companies' access and identity infrastructure in an AI-first world.

AI & Machine LearningCybersecurityEnterprise SoftwareSan Francisco, US

ASAndrej Safundzic(Co-founder)inAFAlan Flores-López(Co-founder)inLMLeo Mehr(Co-founder)inAlan Ernesto Flores-Lopez(Director)

BoardPeter Levine(Director)

Co-investorsANAndreessen HorowitzSCScale Venture Partners

Material develops HYBRID3D, a proprietary manufacturing platform that produces full-stack batteries in-situ—including anode, cathode, separator, and casing—without molds, enabling batteries to be shaped to fit curves, edges, and voids.

Advanced ManufacturingEnergyNew Materials

Co-investorsGOGoAhead Ventures

Material Security provides cloud workspace security that prevents attacks and protects data across Microsoft 365 and Google Workspace for enterprise companies.

AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSaaSSan Francisco, US

RRyaninAAbhishekinCChrisinAAAbhishek Agrawal(Founder)inCPChris Park(Founder)inRNRyan Noon(Founder)in

Co-investorsANAndreessen HorowitzABAbstract VenturesAMAmplify PartnersSOSouth Park CommonsFOFounders FundSCScript Capital

Merlin develops autonomy software for crewed and uncrewed aircraft for military and civil applications.

AI & Machine LearningDefense TechRobotics

MGMatthew George(Chief Executive Officer)TBTimothy Burns(Chief Technology Officer)KAKrishnan Anand(Chief Program Officer)inRCRyan Carrithers(Chief Financial Officer)inLRLeslie Ravestein(Chief Legal Officer)inDLDavid Lasater(Chief People Officer)in

Co-investorsBLBling CapitalFLFloodgateSHShrug CapitalBOBoom Capital Ventures

MoldCo is a healthcare technology platform that connects patients with mold-trained providers to diagnose and treat mold illness through virtual care, specialized protocols, and home testing available across the United States.

Digital HealthHealthtech

Co-investorsANAngel Collective Opportunity FundCACantos VenturesCOCollaborative FundMOMoth FundSTStarship VenturesSOSoGal Ventures

Monad is a high-performance EVM-compatible blockchain designed for fast, low-cost transactions.

Cloud ComputingCrypto & Web3Data & Infrastructure

KHKeone Hon(Founder & CEO)in

Co-investorsALAlphaLab CapitalAMAmbush CapitalARArchetypeBABankless VenturesBIBig Brain HoldingsBLBloccelerate VC+23 more

n8n is a visual and code-based workflow automation platform that enables technical teams to build, connect, and deploy AI agents and integrations with flexible deployment options ranging from on-premise to cloud infrastructure.

AI & Machine LearningDeveloper ToolsEnterprise Software

JOJan Oberhauser(Founder & CEO)in

Co-investorsACAccelFEFelicis VenturesFIfirstminute capitalHIHighland EuropeHOHoltzbrinck VenturesHVHV Capital+5 more

Vectra AI provides real-time network observability and threat detection across hybrid environments spanning on-premises, multi-cloud, SaaS, edge, and IoT/OT systems.

Cloud ComputingCybersecurityData & InfrastructureIoT

Co-investorsANAndreessen HorowitzBEBessemer Venture PartnersSYSyn Ventures Seed Management LlcWIWingMAMango CapitalSYSYN Ventures

Netskope offers a cloud-native platform that converges security and networking (SASE/SSE) to secure access to AI, cloud, web, and private applications for enterprises.

AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSanta Clara, US

SBSanjay Beri(Founder)in

Co-investorsACAccelADAdit Ventures Management, LlcBABallistic VenturesBABase PartnersBEBerkeley FrontierDEDell Technologies Capital+14 more

Northwood provides end-to-end ground infrastructure for space missions, from concept through deployment to live data delivery.

Deep TechHardwareSaaSSpace Tech

SLShaurya Luthra(Cofounder)in

Co-investorsALAlpine Space VenturesALAlso CapitalANAndreessen HorowitzAUAurelia FoundryBABalerion Space VenturesFUFulcrum Venture+8 more

Orbital Ops develops propulsion systems and related aerospace hardware for airborne vehicles.

Advanced ManufacturingDeep TechDefense TechHardwareSpace TechLos Angeles, US

BSBen Schleuniger(Founder)inRDRoss Doherty(Co-Founder & COO)inHunter

Co-investorsBLBlack FlagGOGoAhead VenturesOLOlive Tree CapitalTRTRAC (Third Round Analytics Capital)Y Y CombinatorINInitialized Capital+2 more

Oso provides visibility and controls for AI agent adoption within enterprises, enabling discovery, monitoring, and enforcement of agent access and behavior.

AI & Machine LearningCybersecurityEnterprise SoftwareNew York, US

Co-investorsFEFelicis VenturesENEntrada VenturesJ-J-VenturesSVSV Angel

Recursive develops self-improving superintelligence systems designed to automate knowledge discovery.

AI & Machine LearningDeep TechLondon, GB

CXCaiming Xiong(Founder)inYTYuandong Tian(Founder)inTim Rocktäschel(Founder)in

Co-investorsAIAIX VenturesDCDCVC (Data Collective)GLGlasswing VenturesGRGreycroftINInception FundRARapid Scale+5 more

The compliance firewall for AI.

KOKojin Oshiba(Cofounder)in

Co-investorsALAlumni VenturesBABasecamp FundCICisco InvestmentsCOConvergeENEngineering CapitalINIn-Q-Tel

Sema4.ai builds intelligent agents that use natural language processing to enable users to express and execute complex tasks, and deploys Actions to accelerate enterprise workflows.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSAtlanta, US

RBRob Bearden(Co-founder and Chief Executive Officer)inRVRam Venkatesh(Co-founder / product and technology leader)inPCPaul Codding(Co-founder)inSudhir Menon(Co-founder)inAKAntti Karjalainen(Co-founder; Robocorp founder)

BoardPFPeter Fenton(Benchmark investor/partner)in

Co-investorsARArtisanal VenturesCACanvas VenturesKOKoch Disruptive TechnologiesMAMayfield FundMVMVP VenturesRORocketship.vc+3 more

Semgrep develops a code scanning platform that detects security vulnerabilities and code issues across multiple programming languages, integrated with CI/CD tools like GitHub and GitLab.

CybersecurityDeveloper ToolsSan Francisco, US

DDDrew DennisoninIsaac Evans(Founder)in

Co-investorsMEMenlo VenturesARArtisanal VenturesBABallistic VenturesBRBright Pixel CapitalFEFelicis VenturesLILightspeed Venture Partners+3 more

Singularity manufactures counter-weapon systems and air defense equipment designed to protect military personnel and civilians.

Advanced ManufacturingDefense TechHardwareSpace TechLos Angeles, US

JOJack Oswald(Founder)in

Co-investorsFEFelicis VenturesMEMenlo VenturesNENew Enterprise Associates (NEA)Y Y CombinatorDEDecisive PointKHKhosla Ventures+1 more

Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale.

Advanced ManufacturingBiotechCleantechClimate TechHealthtechHouston, US

SHSean Hunt(Founder/CTO)inGCGaurab Chakrabarti(Founder)in

BoardSBSeth Bannon(Director)in

Co-investorsFIFifty YearsFOFounders FundLOLowercarbon CapitalY Y CombinatorBABaillie GiffordGIGIC+22 more

SPM builds high-performance electric and optional-hybrid drivetrains for utility task vehicles (UTVs), offered as do-it-yourself conversion kits or complete turn-key vehicles.

CleantechHardwareMobility & TransportationNew Kensington, US

JPJonathan Powers(Founder)in

Co-investorsQUQuorum Capital Partners

Starcloud is a deep-tech company building large-scale data center infrastructure designed to operate in space.

Advanced ManufacturingAI & Machine LearningClimate TechCloud ComputingDeep TechSemiconductorsSpace TechRedmond, US

PJPhilip Johnston(Founder/CEO)inEFEzra Feilden(Founder)inAOAdi Oltean(Founder)in

Co-investorsDNDnx VenturesFUFUSEGRGround Up VenturesIMImagination CapitalINIntegra GroupeLILink Ventures+22 more

Monad is a security data pipeline platform that normalizes, filters, enriches, and routes security telemetry from any source to optimize SIEM costs and reduce alert noise for security teams.

CybersecurityData & InfrastructureEnterprise SoftwareSaaSNew York City, US

SRSunny Rekhi(Founder)inMGManny Gundampalli(Founder)in

Co-investorsY Y Combinator

Tectonic builds and deploys post-quantum cryptography infrastructure, including NIST-aligned encryption, secure network routing that verifies every hop, and encryption key management across devices and users.

CybersecurityDefense TechQuantum Computing

Co-investorsREReflexive CapitalSESequoia CapitalBLBlack Flag

AI Quality solutions that drive ML performance and trust

Redwood City, US

ADAnupam Datta(Co-Founder, President & Chief Scientist)inShayak Sen(Co-Founder & Chief Technology Officer)inWUWill Uppington(Co-Founder & Chief Executive Officer)in

BoardTTTim Tully(Board Member (Partner, Menlo Ventures; former CTO, Splunk))inJCJerry Chen(Investor / Board contact (Partner, Greylock Partners))in

Co-investorsCOConversion CapitalDAData Community FundFOForgePoint CapitalGRGreylock PartnersMEMenlo VenturesWIWing

Truffle Security develops TruffleHog, an open-source secrets scanning tool that identifies and remediates exposed credentials such as encryption keys in cloud and SaaS environments before exploitation.

CybersecurityDeveloper Tools

DADylan Ayrey(Founder & CEO)in

Co-investorsABAbstract VenturesANAndreessen HorowitzEXExpaESESSENCE VCESEssence Venture CapitalINIntel Capital+2 more

Type III, Inc. designs and manufactures hardware products such as its Rugged Mini Mount, offering rapid prototyping, low-volume production, and specialized hardware builds.

Advanced ManufacturingHardwareHuntington Beach, US

Daniel Moore(Executive Officer, Director)

Co-investorsFIFifty YearsBLBlack Flag

The Ocean Company builds dual-domain systems for coastal ecosystem restoration and maritime infrastructure security.

CleantechClimate TechDefense TechRobotics

COColm O'Brien(Founder)in

Co-investorsANAndreessen HorowitzBOBooz Allen VenturesLOLowercarbon CapitalGEGenius VenturesPEPebblebedREReGen Ventures+1 more

Ulysses builds dual-domain systems for maritime applications, including restoring coastal ecosystems and securing critical maritime infrastructure.

Climate TechDeep TechDefense TechRobotics

COColm O'Brien(Cofounder)inWill O'Brien(Cofounder)inAkhil Voorakkara(Cofounder)Jamie Wedderburn(Cofounder)in

Co-investorsLOLOWERCARBONLOLowercarbon CapitalPEPebblebedANAndreessen HorowitzBOBooz Allen VenturesGEGenius Ventures+2 more

Ursa Major develops flight-proven aerospace and defense systems, including hypersonic engines, solid rocket motors, and space mobility solutions for military and defense applications.

Defense TechHardwareSpace TechBerthoud, US

JLJoe Laurienti(Founder)inNDNick Doucette(Co-Founder & Vice President, Strategic Operations)inDJDan Jablonsky(CEO)inCSChris Spagnoletti(Chief Executive Officer)in

Co-investorsALAlpha EdisonATAtento CapitalBABalerion Space VenturesBRBrave CapitalECEclipse VenturesINIndustrious Ventures+6 more

Colorado aerospace and defense manufacturer of rocket engines, solid rocket motors, hypersonic and in-space propulsion systems.

Berthoud, US

Joseph A. Laurienti, Jr.(Executive Officer, Director, Promoter)Nicholas Doucette(Executive Officer)David Gregory(Executive Officer)

BoardSAStewart Alsop(Director)in

Co-investorsALAlsop Louie PartnersALAlumni VenturesALAlpha EdisonBLBlackRockDODolby Family VenturesECEclipse+1 more

Valinor Discovery generates patient-derived datasets combining multi-omics and clinical data to enable machine learning applications in drug development.

AI & Machine LearningBiotechMedical Devices

Co-investorsCACampus Founders FundMYMythos Ventures Management, LlcCACastle Island VenturesMAMaven 11

Vantage is an independent cloud cost management platform that helps businesses monitor and optimize their cloud spending.

AI & Machine LearningCloud ComputingFintechNew York City, US

BSBen Schaechter(Co-founder & CEO)inBMBrooke McKim(Co-founder & CTO)in

Co-investorsANAndreessen HorowitzWOWorklife VenturesSCScale Venture Partners

Vector develops advanced defense technology solutions, including unmanned systems and integrated warfare capabilities, for the U.S. military and its allies.

Deep TechDefense TechHardwareSalt Lake City, US

Andy Yakulis(CEO and co-founder)Matt Long(Chief Strategy Officer and co-founder)George Matus(CTO and co-founder)

BoardLJLarsen Jensenin

Co-investorsPEPelionBLBlack FlagDADauntless VenturesPOPoint72 VenturesKIKickstartSHShield Capital

Volansi manufactures and operates unmanned vertical-takeoff aircraft designed to carry heavy payloads across long distances for point-to-point delivery, targeting business customers in defense, commercial, and medical sectors seeking to reduce operational downtime expenses.

Advanced ManufacturingRoboticsSan Francisco, US

HPHannan Parvizian(Founder)in

Co-investorsHEHemisphere Ventures LLCY Y CombinatorICIcon VenturesLILightspeed Venture PartnersMEMerck Global Health Innovation Fund

WireScreen is a risk intelligence platform that aggregates public corporate records, ownership documents, and regulatory filings to provide transparency on global corporate ownership and control.

AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareGovTechNew York City, US

DavidLynnBradAlex

Co-investorsSASamos InvestmentsSESequoia Capital