/Investor DB

Significant Ventures — Full Portfolio

34 tracked investments · listed companies and verified rows first

H3Dh3d.aiinSep 2017✓ verified

H3D builds an AI platform called AutoDesign that automates the design of custom-fit products, replacing manual CAD work for hearing labs (hearing aids, hearing protection, consumer audio) and dental labs.

AI & Machine LearningHealthtechMedical DevicesSaaSAnn Arbor, AU

Philip Kinsella(Co-founder & CTO)Iain Mcleod(Co-founder & CEO)inZhong He(Executive Officer, Director)John Yu(Director)Feng Zhang(Director)

Co-investorsStarfish VenturesSkalata

Additive Assuranceadditiveassurance.comin

Additive Assurance provides quality assurance solutions for metal additive manufacturing, specifically laser powder bed fusion, combining computer vision and machine learning to monitor production in real-time.

Advanced ManufacturingAI & Machine LearningDeep TechHardware

Dragonfly Thinkingdragonflythinking.net

AI-driven decision-support software combining structured analysis with broad perspective gathering.

Co-investorsDefence Trailblazer

Draperdraper.chatin𝕏

A company built by a three-person team with a stated mission to make starting a business easier than finding a job, aimed at expanding economic independence.

AI & Machine LearningFuture of WorkSaaSSector Agnostic

Dryflowmagdryflowmag.com

DryFlow (DryFlow Magnetics) develops a waterless, dry magnetic mineral separation technology (the patented Kuchel Process / stacked magnetics) that upgrades low-grade magnetite and tailings into high-purity, DRI-grade iron concentrates without process water.

CleantechClimate TechHardwareWingfield, AU

Brett(Founder & CEO)Jon(Founder & COO)inElena(Co-Founder)inNadia(Co-Founder & Chief Strategy Officer)in

Co-investorsVirescent VenturesOrion Industrial Ventures

Earthodicearthodic.cominJul 2024

Earthodic develops bio-based coatings for the paper industry that can be applied using existing equipment, helping companies transition to circular production models.

Circular EconomyCleantechNew MaterialsGeebung, US

Kate Lusvardi(Chief Technology Officer)inAnthony Musumeci(Executive Officer, Director)Albert Tietz(Director)

BoardJenn Burka(Director)inSarah Nolet(Director)in

Co-investorsCirculate CapitalFTW VenturesInvestible Climate Tech FundQIC VenturesRedstick VenturesTenacious Ventures+1 more

Fifth Domainfifthdomain.proin

FifthDomain provides a platform for training and developing cybersecurity workforces across global institutions, with a focus on practical, hands-on training environments.

CybersecurityDefense TechEdTechEnterprise SoftwareHR TechCanberra, AU

Matt Wilcox(Founder and CEO)in

Co-investorsInvestible Climate Tech Fund

Flaimsystemsflaimsystems.comin

FLAIM develops immersive extended-reality training systems for first responders, defence personnel, and high-risk industry workers to prepare for real-world emergencies.

Deep TechDefense TechEdTechMelbourne, AU

Simon Miller(Managing Director)inFergus Porter(Chief Product and Technology Officer)in

Co-investorsBreakthrough VictoriaCommon Sense Ventures

Helfiehelfie.ai

Health technology platform using AI to deliver rapid health checks via smartphone.

Instaclustrinstaclustr.comin𝕏acquired by NetApp

Instaclustr, part of NetApp, provides a managed platform, enterprise support, and consulting for open source data technologies, helping enterprises run their data layer more reliably and efficiently.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise Software

Adam Zegelin(Founder)in

Co-investorsBailador Technology InvestmentsLevel EquityOIF VenturesOur Innovation FundSydney Angels

Itlhealthgroupitlhealthgroup.comin

ITL BioMedical designs and sells medical devices focused on needle safety and sample handling, including an adapter cap product line.

HardwareHealthtechMedical Devices

Liquid Instrumentsliquidinstruments.comin𝕏

Liquid Instruments develops Moku, a reconfigurable integrated test system for complex research and development applications.

Deep TechDeveloper ToolsEnterprise SoftwareHardware

Daniel Shaddock(CEO)inDanielle Wuchenich(Chief Operating Officer)in

Co-investorsAnzu PartnersBreakthrough VictoriaACORN BIOVENTURESAcorn CapitalLockheed Martin VenturesMA Growth Ventures

Masttmastt.comin𝕏

Mastt builds AI and software tools for construction project management, using agentic AI to automate manual reporting and administrative work for project teams.

AI & Machine LearningConstruction TechSaaSSydney, AU

Doug Vincent(CEO, Co-founder)inJamie Cerexhe(Co-founder)inRaman(Co-founder)inIan(Chief Financial Officer)

Co-investorsArtesianInvestible Climate Tech FundOIF VenturesOur Innovation FundGravel Road Ventures

Partingtonpartington.ccin

Partington manufactures high-performance carbon fiber road bike wheels designed for training and competition.

Advanced ManufacturingHardwareNew MaterialsSports TechGeelong, AU

Jon Partingtonin

Seeing Machinesseeingmachines.comin𝕏

Seeing Machines develops driver monitoring technology to reduce fatigue-related accidents in commercial automotive and aviation applications.

AI & Machine LearningHardwareMobility & Transportation

Co-investorsAngel Capital Management

Transacttransactcampus.com𝕏acquired by iiNet

Illumia builds operational technology for education, healthcare, and corporate organizations to manage facility access, dining, and workplace experiences with secure, intelligent systems.

EdTechEnterprise SoftwareFintechHealthtechSaaS

Greg Brown(Chief Executive Officer)inLaura Newell-McLaughlin(Chief Operating Officer)inTaran Lent(Chief Technology Officer)inRachael Sepcic(Chief Revenue Officer)inRob DeCarlo(Chief Financial Officer)inEric Schuster(Chief Product Officer)in

Co-investorsFarol Asset Management

Vantari VRvantarivr.comin

Vantari provides VR-based procedural training for healthcare professionals, combining immersive simulation with AI-powered performance analytics and a community platform for medical education.

AI & Machine LearningDeep TechDigital HealthEdTechHealthtechMedical DevicesSydney, AU

Dr. Nishanth Krishnananthan(CEO)inDr. Vijay Paul(CPO)in

Co-investorsSirius Capital

Visionary Machinesvisionarymachines.comin

Visionary Machines develops passive optical sensing systems that produce real-time, georeferenced 3D representations of the environment across multiple spectral bands, including in GPS-denied conditions.

AI & Machine LearningDeep TechDefense TechRoboticsSydney, AU

Samson Lee(Founder & Chief Technology Officer)inSonny Foster(Chief Executive Officer)inNick Gibbs(Chief Operating Officer)in

Co-investorsFolklore VenturesIn-Q-TelOIF VenturesOur Innovation FundSalus VenturesThorney Investment Group

Wavewisewavewise.comin

Wavewise develops brain monitoring technology for brain injury care in healthcare settings.

Deep TechDigital HealthHealthtechMedical Devices

Co-investorsBreakthrough Victoria

Other

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

555 Bryant StreetBiotronDosimetry & ImagingELEMENTICEFLAIMIntologyITLLithiconPerpetual WaterRingwood SuperabrasivesRPOScopeIRSIMmersionThe Healthy GrainThe Institute of Technology Australia

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.