/Investor DB

Harpoon Ventures — 2025 Investments

7 investments dated 2025 · listed companies and verified rows first · show all

Electrofloweflowtech.cominSep 2025

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)in

Co-investorsBlack FlagFifty YearsStartXUnion Square Ventures (USV)Voyager Partners

Firestormlaunchfirestorm.comSeries A · Jul 2025 · $35M

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-investorsAlumni VenturesBackswing VenturesBeyond CapitalBlack FlagBooz Allen VenturesBVVC+20 more

n8nn8n.ioin𝕏Mar 2025

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)in

Co-investorsAccelBlank Space VenturesFelicis Venturesfirstminute capitalHighland EuropeHoltzbrinck Ventures+10 more

Orbital Operationsorbitalops.techin𝕏Seed · Jan 2025

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

Advanced ManufacturingDeep TechDefense TechHardwareSpace TechLos Angeles, US

Ben Schleuniger(CEO)inRoss Doherty(COO)inHunterNico Montoya(Founding Engineer)

Co-investorsAlumni VenturesBlack FlagGaingelsGoAhead VenturesInitialized CapitalMaiora Rebel Ventures+16 more

Semgrepsemgrep.devin𝕏Feb 2025

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

Drew Dennison(Founder)inIsaac Evans(Founder)in

Co-investorsMenlo VenturesArtisanal VenturesBallistic VenturesBright Pixel CapitalFelicis VenturesLightspeed Venture Partners+8 more

Somitesomite.aiin𝕏Apr 2025

Cellular Intelligence is a cell therapy company developing engineered cell treatments for diseases, including a Phase 2-ready therapy for Parkinson's disease acquired from Novo Nordisk.

AI & Machine LearningBiotechDeep TechBoston, US

Micha Breakstone, Ph.D.(CEO & co-founder)Allon Klein, Ph.D.(Scientific Co-founder)Olivier Pourquié, Ph.D.(Scientific Co-founder)Cliff Tabin, Ph.D.(Scientific Co-founder)Jay Shendure, M.D., Ph.D.(Scientific Co-founder)Micah Breakstone(Executive Officer, Director, Promoter)

Co-investorsKhosla VenturesNext Coast VenturesSamsung NextAMD VenturesFusionJLL Spark Global Ventures+6 more

Other

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

Vector Defense

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.