/Investor DB

AP Ventures — Full Portfolio

35 tracked investments · listed companies and verified rows first

Plug Powerplugpower.comin𝕏NASDAQ: PLUG

Plug Power develops hydrogen fuel cell and related clean energy technologies.

CleantechClimate TechEnergy

Andy Marsh(Non-Executive Chairman and former Chief Executive Officer)inJose Luis Crespo(President, Chief Executive Officer and Director)inPaul B. Middleton(Chief Financial Officer, Chief Accounting Officer and Executive Vice President)inDean C. Fullerton(Chief Operating Officer)inGerard L. Conway, Jr.(Chief Legal Officer, Corporate Secretary and Executive Vice President)Benjamin Haycraft(Chief Strategy Officer and General Manager EMEA Region)in

Co-investorsBlackRock

HMThydrogen-mem-tech.comin✓ verified

Hydrogen Mem-Tech designs and produces compact palladium membrane technology that extracts clean hydrogen from natural gas, biogas, and ammonia for industrial clients worldwide.

CleantechEnergyHardwareNew MaterialsTrondheim, NO

Co-investorsYara Growth VenturesAramco VenturesEuropean Investment FundPeak Sustainability VenturesSaudi Aramco Energy VenturesShell Ventures

Immaterialimmaterial.comin𝕏Oct 2025✓ verified

Immaterial develops monolithic metal-organic frameworks (m-MOFs), a nanoporous material platform, and scales them from lab to industrial production for gas separation applications such as carbon capture.

CleantechClimate TechNew Materials

David Fairen-Jimenez(Co-founder)in

Co-investorsEnergy Revolution VenturesFinindusJERATRIREC

Amogyamogy.coin𝕏Dec 2024

Amogy develops patented ammonia cracking technology that converts ammonia into electric power for hydrogen fuel cells and engines, targeting decarbonization of heavy industries including transportation and maritime.

CleantechClimate TechDeep TechEnergyHardwareHealthtechSan Francisco, US

Seonghoon Woo(Founder)inHyunho Kim(Founder)inJongwon Choi(Founder)inYoung Suk Jo(Founder)

Board seatAndrew Hinkly· per SEC Form D

Co-investorsAF WPartnersBonAngels Venture PartnersCollaborative FundCongruent VenturesDCVC (Data Collective)GS Futures+7 more

Noble Gas Systemsnoblegassystems.cominJan 2023

Noble Gas Systems develops and manufactures conformable high-pressure gas storage vessels for transportation and stationary applications in commercial, aerospace, and defense markets.

Advanced ManufacturingCleantechDefense TechEnergyHardwareNew MaterialsWixom, US

Chris Kondogiani(CEO)inOlga Alavanou(Director)

BoardJerome Breteau(Director)Matthew L. Hoffman(Director)Christine Barman(Director)

Board seatAndrew HinklyAndrew R. Hinkly· per SEC Form D

Co-investorsIn-Q-TelAir Liquide Venture Capital (ALIAD)Applied Ventures

Aether Fuelsaetherfuels.cominJan 2026 · $15M

Aether Fuels develops technology to convert syngas and carbon feedstocks into sustainable fuels, using its Aether Aurora solution built on technology licensed from GTI Energy.

CleantechClimate TechEnergy

Conor Madigan(Founder)inDhaval Shah(Chief Technology Officer)in

BoardMichelle Robson(Director)inPhilippe Inagaki(Director)

Co-investorsXora Innovation Pte LtdCDP Venture CapitalEni NextFoothill VenturesJetBlue VenturesSKY VC+6 more

Airhiveairhive.earthinMar 2024

Airhive develops low-cost direct air capture (DAC) technology using fluidised beds, a mineral sorbent, and an electric calciner to remove CO2 from ambient air.

CleantechClimate TechDeep Tech

Rory Brown(Founder)in

Co-investorsBrincCollaborative FundEka VenturesIsaiThird DerivativeApplied Ventures

Airhiveairhive.com

Jasper Wong(Founder)Martin Freimuller(Founder)Rory Brown(Founder)

Co-investorsEka VenturesOdyssey Ventures Fund I

Attributesattributes.digitalin

Attributes™ provides a blockchain-based digital registry that tracks the origin and ESG attributes of energy from production to end users.

Climate TechCrypto & Web3Energy

Co-investorsEquinor Ventures

Crew Carboncrewcarbon.comin

CREW is a Yale spinout that adds calcium carbonate (ground limestone) to wastewater treatment plants to intensify biological treatment, cut chemical costs, and permanently remove carbon dioxide.

CleantechClimate TechDeep TechNew Haven, US

Joachim Katchinoff(Co-founder & CEO)inNoah Planavsky(Co-Founder & Scientific Advisor)in

Co-investorsBURNT ISLAND VENTURESConnecticut InnovationsCounteract OneEcho River CapitalEmerald Technology Ventures AgPonderosa Ventures+4 more

EH Groupehgroup.chin

EH Group develops compact hydrogen fuel cell stacks and systems for marine vessels, regional aviation, and stationary applications such as data centre backup power, microgrids, and long-duration energy storage.

CleantechDeep TechEnergyHardwareSwitzerland, CH

Mardit Matian(Founder)Christopher Brandon(Co-Founder)

Co-investorsFirst Imagine!

Fabrumfabrum.nzin

Fabrum is a precision engineering company based in Christchurch, New Zealand that develops advanced technologies including superconducting systems, cryocooling technology, and hydrogen solutions for transport, space, and aerospace industries.

CleantechDeep TechEnergyHardwareChristchurch, NZ

Hugh ReynoldsChristopher Boyle

Co-investorsApplied Ventures

Fairbricsfairbrics.coin

Fairbrics develops circular manufacturing processes that use captured waste CO2 as a feedstock to produce textile fibers, reducing reliance on fossil fuels.

Advanced ManufacturingCircular EconomyCleantechClimate TechNew MaterialsParis, FR

Benoit Illy(CEO)inTawfiq Nasr Allah(CTO)in

Co-investorsEntrepreneur FirstSGH CapitalApplied Ventures

Feldytryaether.coinJan 2026 · $15M

Aether provides roofing and exterior building measurement reports for home services contractors, using phone-based 3D modeling to generate accurate full-house measurements within 2% accuracy.

AI & Machine LearningConstruction TechDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Zayne Sagar(CEO)inShelby Bons(CTO)in

Co-investorsY CombinatorCDP Venture CapitalChevron Technology VenturesEni NextFoothill VenturesTechEnergy Ventures+1 more

GreyRockgreyrock.com

Greyrock develops small-scale gas-to-liquids (GTL) technology that converts flared or vented gases into usable products, aiming to reduce methane emissions and greenhouse gas output.

CleantechClimate TechEnergy

Hazer Group Limitedhazergroup.com.auin𝕏

Hazer Group is an ASX-listed technology company developing and commercialising the HAZER Process, a method for producing hydrogen and graphite from natural gas and other feedstocks.

CleantechClimate TechEnergyNew MaterialsPerth, AU

Glenn Corrie(CEO & Managing Director)inNeil Brodie(Chief Financial Officer)inTim Forbes(Chief Technical Officer)inTom Coolican(Chief Operations Officer)inBelinda Wilson(Chief People Officer)inLuc Kox(Chief Commercial Officer)in

HPNowhpnow.euinSep 2023

HPNow produces hydrogen peroxide (Peroxide UltraPure) on-site through a patented electrochemical process that converts water, electricity, and air into low-concentration, high-purity peroxide for water treatment.

AgTechCircular EconomyCleantechHardwareNew Materials

Co-investorsEvonik Venture Capital GmbHNovo Holdings

Hydrogenioushydrogenious.netin𝕏Feb 2025

Hydrogenious LOHC Technologies develops liquid organic hydrogen carrier (LOHC) infrastructure that stores and transports hydrogen in liquid form under ambient conditions using conventional fuel infrastructure, targeting hydrogen producers and industrial and mobility offtakers.

CleantechClimate TechEnergyErlangen, DE

Daniel Teichmann(Founder)in

Co-investorsChevron Technology VenturesTemasek

HyEThyetgroup.com

HyET group is a collection of companies developing technologies for commercially viable, large-scale use of decentralized renewable energy sources, such as high-pressure hydrogen buffering of solar and wind power and low-cost roofing sheets with integrated solar modules.

CleantechClimate TechDeep TechEnergy

Hypermotivehyper-motive.comin𝕏

Hypermotive provides engineering services for automotive powertrains, including electric and hybrid systems, fuel cells, and vehicle electrical integration for original equipment manufacturers.

Advanced ManufacturingCleantechEnergyMobility & TransportationLutterworth, GB

Adam Huckstep(CEO)inJeremy Bowman(Chief Technical Officer)Brad O'Nians(Manufacturing Director)Liz Harber(Operations and Programmes Director)Jonathan Brown(Chief Strategy Officer)

Hystarhystar.comin𝕏Jan 2023

Hystar is a Norwegian cleantech company that develops and manufactures high-efficiency PEM (Proton Exchange Membrane) electrolysers, which use renewable electricity and water to produce green hydrogen.

CleantechEnergyHardwareHøvik, NO

Co-investorsFirdaMOL SwitchFinindusHillhouse InvestmentNysnø Climate InvestmentsORLEN VC+1 more

Infiniuminfiniumco.com

Infinium develops technology across two platforms, Infinium Energy and Infinium Edge, converting waste emissions into sustainable products and supporting more efficient scaling of next-generation computing.

CleantechClimate TechEnergyNatick, US

Adam C. Powell, IV(Executive Officer, Director)Stephen J. Derezinski, III(Executive Officer, Director)

BoardMartin Capriles(Director)Craig Edelstein(Director)

Co-investors8090 IndustriesAdvantage Partners Inc.Applied VenturesBrookfield Asset Management

Miticomitico.techDec 2024 · $4.3M

Mitico develops a post-combustion carbon capture technology that collects and purifies carbon dioxide from flue gases at the source before it enters the atmosphere.

CleantechClimate TechDeep TechPasadena, US

Clement Cid(Executive Officer, Director)inAlan Yalun Gu(Director)

BoardVincent Brillault(Director)Edward Rubin(Director)

Co-investorsFREEFLOWSOSVHalliburton Labs

Refundidrefundid.cominSep 2021 · $3M

Refundid builds a post-purchase returns platform for retailers that offers instant refunds, exchanges, store credit, and standard returns options.

E-commerceFintechRetail TechSaaS

Co-investorsCota CapitalShearwater CapitalTouch Ventures

Rosy Soilrosysoil.comin

Rosy Soil makes carbon-negative, eco-friendly soil blends for gardening.

AgTechClimate TechConsumerDirect to ConsumerChicago, US

Chad(Founder)

Co-investorsAlumni VenturesDraper AssociatesGaingelsGATHER VENTURESPath VenturesPure Ventures+1 more

Rubi Labsrubi.earthin𝕏

Rubi develops biotechnology solutions for sustainable manufacturing in the fashion and textiles industry.

Advanced ManufacturingBiotechCleantechClimate TechNew MaterialsSan Francisco, US

Neeka Mashouf(Co-founder)inLeila Mashouf(Co-founder)in

BoardDaria Hosseinyoun(Director)inRohini Finch(Director)in

Co-investorsClimacticCollaborative FundDarco CapitalJuniperKayak VenturesNecessary Ventures+7 more

Snowfox Discoverysnowfoxdiscovery.cominJan 2026

Snow Fox Discovery explores for and develops natural (geologic) hydrogen resources, aiming to supply low-carbon hydrogen for a net-zero energy transition.

CleantechClimate TechEnergy

Daniel McMahonin

Co-investorsOxford Science EnterprisesOxfordbp ventures

Teragen Energy Corporationteragenenergy.com

Teragen Energy builds modular fuel cell systems for onsite power generation, offering fuel flexibility with optional energy storage and carbon capture.

CleantechEnergyHardware

Co-investorsUntroD CapitalEnergy Capital VenturesThe Engine Ventures

ZeroAvia x-tech-roboticszeroavia.comin𝕏

ZeroAvia develops hydrogen-electric powertrain technology for aircraft, aiming to enable zero-emission aviation.

CleantechClimate TechDeep TechMobility & TransportationHollister, US

Valery Miftakhov(Executive Officer, Director, Promoter)Sergey Kiselev(Director)inJames McMicking(Chief Strategy Officer)in

BoardGeoff Eisenberg(Director)inMatt Eggers(Director)inChristine Ourmieres-Widener(Director)

Co-investorsAloniqAlumni VenturesBreakthrough Energy VenturesDniproEcosystem Integrity FundHorizons Ventures+10 more

Other

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

AquaHydrexLydianRubi LaboratoriesStarfire EnergyUnited HydrogenZeroAvia

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.