Harpoon Ventures β Full Portfolio
64 tracked investments Β· listed companies and verified rows first
Alta Ares builds an AI stack for autonomous air defense and ISTAR, including counter-drone interceptor effectors, an ISR product suite, and mission management software designed for contested, GNSS-denied environments.
AI & Machine LearningDefense TechRoboticsParis, FR
Co-investorsAir Street CapitalApeiron Venture CapitalCherry VenturesKima VenturesOTB VenturesExpansion Venture Capital+3 more
Draper, US
Andrew Yakulis(Executive Officer, Director)
BoardLarson Jensen(Director)Ben Lambert(Director)George Matus(Director)
Board seatLarsen JensenΒ· per SEC Form D Β· $13M raise Β· filed Oct 2025
Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.
Climate TechDeep TechEnergyHardware
Matt(Co-founder)inYasir(Co-founder)in
Co-investorsAlumni VenturesBasecamp FundBlack FlagBrave CapitalCrosscut VenturesDash VC+24 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
John Gedmark(Founder/CEO)inRyan McLinko(Founder/CTO)in
Co-investorsAndreessen HorowitzBlack FlagBoxGroupCantos VenturesCherubic VenturesCommonweal Ventures+37 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
Rob Gurzeev(Cofounder)Rob N. Gurzeev(Founder)in
Co-investorsAccelAmiti VenturesBright Pixel CapitalCyber Mentor FundGeodesic CapitalKli Capital+5 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
Eric Sammer(Founder & CEO)
BoardEthan Batraski(Director)in
Co-investorsVenrockBain CapitalRackhouse Venture Management LpScribble VenturesBain Capital Ventures
Deep learning AI platform for computer vision, natural language processing, and data labeling.
Co-investorsGV (Google Ventures)SINEWAVE VENTURESStrawberry Creek Ventures
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
Eric McShane(CEO and co-founder)Evan Gardner(CTO and co-founder)
Co-investorsBlack FlagFifty YearsUnion Square Ventures (USV)Voyager 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
Ulrik Stig Hansen(Co-Founder & President)inEric Landau(Founder)in
Co-investorsBright Pixel CapitalCrane Venture PartnersCRV (Charles River Ventures)Next47Sonae IMY Combinator+2 more
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)Chad McCoy(Founder)inIan Muceus(Founder)in
BoardTommy Hendrix(Director)Aaron Jacobson(Director)in
Co-investorsBeyond CapitalBlack FlagBooz Allen VenturesBVVCCapital FactoryDecisive Point+13 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
Halen Mattison(Cofounder)inLuke Neise(Cofounder)in
Co-investorsAntiPathbreaker VenturesSeraphim SpaceUnruly CapitalRefactor Capital
Graphiant provides a software-based, unified network platform for connecting AI, cloud, SaaS, B2B, and branch environments.
Cloud ComputingData & InfrastructureEnterprise SoftwareSan Jose, US
Stefan Olofsson(Founder)
Co-investorsMVP VenturesTwo Bear CapitalIAG Capital PartnersSequoia CapitalWa'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)
Co-investorsBackwards CapitalSteel AtlasBanana CapitalSusa Ventures
JITX develops software to automate hardware and circuit board design for electronics companies.
Advanced ManufacturingAI & Machine LearningDeep TechDeveloper ToolsHardwareRoboticsSan Francisco, US
Duncan Haldane(Founder/CEO)inJonathan Bachrach(Founder/Creative Director)inPatrick Napa(Co-founder)
Co-investorsY CombinatorFundersClubSequoia Capital
Defense robotics company working on Army projects
Co-investorsDorm RoomNycaNyca Partners
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
RyaninAbhishekinChrisinAbhishek Agrawal(Founder)inChris Park(Founder)inRyan Noon(Founder)in
Co-investorsAndreessen HorowitzAbstract VenturesAmplify PartnersSouth Park CommonsFounders FundScript Capital
Defense technology company providing near-term value to the DoD
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-investorsAngel Collective Opportunity FundCantos VenturesCollaborative FundMoth FundStarship VenturesSoGal Ventures
Monad is a high-performance EVM-compatible blockchain designed for fast, low-cost transactions.
Cloud ComputingCrypto & Web3Data & Infrastructure
Co-investorsAlphaLab CapitalAmbush CapitalArchetypeBankless VenturesBig Brain HoldingsBloccelerate 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
Jan Oberhauser(Founder & CEO)in
Co-investorsAccelFelicis Venturesfirstminute capitalHighland EuropeHoltzbrinck VenturesHV 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-investorsAndreessen HorowitzBessemer Venture PartnersSyn Ventures Seed Management LlcWingMango CapitalSYN Ventures
Faction is a venture capital firm that invests in cryptocurrency and blockchain projects at the seed and series A stages, focusing on entrepreneurs building fundamental utility across the technology stack.
BiotechCrypto & Web3New York, US
Oren Harnevo(Executive Officer, Director)Ronald Bianchini, Jr.(Executive Officer, Director)Roneil Rumburg(Cofounder)Ohad Finkelstein(Director)Christina Calvaneso(Executive Officer)Brian Pozesky(Executive Officer)
Co-investorsAccelAdaverseAlephAxeleo CapitalBluebird VenturesBright Pixel Capital+36 more
Orbital Ops develops propulsion systems and related aerospace hardware for airborne vehicles.
Advanced ManufacturingDeep TechDefense TechHardwareSpace TechLos Angeles, US
Ben Schleuniger(Founder)inRoss Doherty(Co-Founder & COO)inHunter
Co-investorsBlack FlagGoAhead VenturesOlive Tree CapitalTRAC (Third Round Analytics Capital)Y CombinatorInitialized Capital+2 more
Recursive develops self-improving superintelligence systems designed to automate knowledge discovery.
AI & Machine LearningDeep TechLondon, GB
Caiming Xiong(Founder)inYuandong Tian(Founder)inTim RocktΓ€schel(Founder)in
Co-investorsAIX VenturesDCVC (Data Collective)Glasswing VenturesGreycroftInception FundRapid Scale+5 more
The compliance firewall for AI.
Kojin Oshiba(Cofounder)in
Co-investorsAlumni VenturesBasecamp FundCisco InvestmentsConvergeEngineering CapitalIn-Q-Tel
Code scanning platform for finding security vulnerabilities.
Co-investorsBright Pixel CapitalFelicis VenturesLightspeed Venture PartnersRedpoint VenturesSequoia CapitalSINEWAVE VENTURES
Singularity manufactures counter-weapon systems and air defense equipment designed to protect military personnel and civilians.
Advanced ManufacturingDefense TechHardwareSpace TechLos Angeles, US
Jack Oswald(Founder)in
Co-investorsFelicis VenturesMenlo VenturesNew Enterprise Associates (NEA)Y CombinatorDecisive PointKhosla Ventures+1 more
Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale.
Advanced ManufacturingBiotechCleantechClimate TechHealthtechHouston, US
Sean Hunt(Founder/CTO)inGaurab Chakrabarti(Founder)in
BoardSeth Bannon(Director)in
Co-investorsFifty YearsFounders FundLowercarbon CapitalY CombinatorBaillie GiffordGIC+22 more
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
Philip Johnston(Founder/CEO)inEzra Feilden(Founder)inAdi Oltean(Founder)in
Co-investorsDnx VenturesFUSEGround Up VenturesImagination CapitalIntegra GroupeLink 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
Sunny Rekhi(Founder)inManny Gundampalli(Founder)in
Co-investorsY Combinator
AI Quality solutions that drive ML performance and trust
Redwood City, US
Anupam Datta(Co-Founder, President & Chief Scientist)inShayak Sen(Co-Founder & Chief Technology Officer)inWill Uppington(Co-Founder & Chief Executive Officer)in
BoardTim Tully(Board Member (Partner, Menlo Ventures; former CTO, Splunk))Jerry Chen(Investor / Board contact (Partner, Greylock Partners))
Co-investorsConversion CapitalData Community FundForgePoint CapitalGreylock PartnersMenlo VenturesWing
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
Dylan Ayrey(Founder & CEO)in
Co-investorsAbstract VenturesAndreessen HorowitzExpaESSENCE VCEssence Venture CapitalIntel Capital+2 more
The Ocean Company builds dual-domain systems for coastal ecosystem restoration and maritime infrastructure security.
CleantechClimate TechDefense TechRobotics
Colm O'Brien(Founder)in
Co-investorsAndreessen HorowitzBooz Allen VenturesLowercarbon CapitalGenius VenturesPebblebedReGen Ventures+1 more
Ulysses builds dual-domain systems for maritime applications, including restoring coastal ecosystems and securing critical maritime infrastructure.
Climate TechDeep TechDefense TechRobotics
Co-investorsPebblebedAndreessen HorowitzBooz Allen VenturesGenius VenturesLowercarbon CapitalReGen Ventures+1 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
Joe Laurienti(Founder)Dan Jablonsky(CEO)
Co-investorsAlpha EdisonAtento CapitalBalerion Space VenturesBrave CapitalEclipse VenturesIndustrious Ventures+6 more
Vantage is an independent cloud cost management platform that helps businesses monitor and optimize their cloud spending.
AI & Machine LearningCloud ComputingFintechNew York City, US
Ben Schaechter(Co-founder & CEO)inBrooke McKim(Co-founder & CTO)in
Co-investorsAndreessen HorowitzWorklife VenturesScale Venture Partners
Defense company built for speed, scale, and mission-first execution
WireScreen is a risk intelligence platform that maps corporate ownership structures, shell companies, and hidden affiliations by drawing on primary sources such as corporate filings, trade data, patents, and procurement records, with a specialized focus on Chinese corporate networks.
AI & Machine LearningData & InfrastructureGovTech
Co-investorsSamos InvestmentsSequoia Capital
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.