/Investor DB

Clean Energy Ventures — 2025 Investments

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

OXCCUoxccu.comin𝕏Sep 2025 · $28M✓ verified

OXCCU develops catalytic technology that converts waste CO2 into sustainable aviation fuel, chemicals, and biodegradable plastics, with an initial focus on decarbonising air transport.

CleantechClimate TechEnergyOxford, GB

Andrew Symes(Founder)inJane Jin(Founder)inPeter Edwards(Academic Co-founder)Tiancun Xiao(Founder)inBenzhen Yao(Founder)inJames Oliver Hutchings(Executive Officer)

Co-investorsKiko VenturesEni NextTechEnergy VenturesAramco VenturesBraavos CapitalIAGi Ventures+4 more

Braavosbraavos.appin𝕏Oct 2025 · $28M

Braavos is a self-custody cryptocurrency wallet offering 2FA and 3FA security for Starknet transactions, with built-in functionality to grow Bitcoin, Ethereum, and stablecoins through direct investment and staking features.

Crypto & Web3San Francisco, US

Antoine de Chevigne(Executive Officer, Director)Matt Voska(Executive Officer)Jonathan Chin(Executive Officer, Director)

Co-investorsPantera CapitalAramco VenturesBraavos CapitalCrypto com CapitalEni NextIAGi Ventures+2 more

DG Matrixdgmatrix.cominSeed · Mar 2025 · $20M

DG Matrix builds the Interport platform, a multi-port solid-state transformer (SST) system for software-defined power distribution and electrification.

CleantechEnergyHardwareCary, US

Haroon Inam(Executive Officer, Director)in

BoardVlatko Vlatkovic(Director)

Co-investorsat HulaCerberus VenturesInnova Capital Partners, LLCTech Square VenturesThird DerivativeThe Engine Ventures

Exterra Carbon Solutionsexterracarbon.cominSeries A · May 2025 · $15M

Exterra develops mining technology solutions, bringing innovation to mineral extraction operations.

Circular EconomyCleantechDeep TechHardwareNew Materials

Olivier Dufresne(Chief Executive Officer and co-founder)inDavid Fennell(Chief Strategy Officer and co-founder)

Co-investorsMOL Switch

Kinetics, a Karpowership initiativekarpowership.cominMay 2025 · $20M

Karpowership develops innovative energy solutions and technologies for global energy projects.

EnergyHardwareIstanbul, TR

Co-investorsBDC Capital CorporationInvestissement QuebecMOL Switch

MacroCycle Technologiesmacrocycle.techinSeed · Feb 2025 · $6.5M

MacroCycle uses a proprietary chemical process called SolvoGenesis, based on solvent systems and macrocyclic chemistry, to convert textile waste into pure polyester resin at low cost.

Circular EconomyCleantechNew MaterialsCambridge, US

Stwart Peña Feliz(Executive Officer, Director)inJan-Georg Rosenboom(Executive Officer, Director)in

BoardCatia Cesari(Director)Temple Fennell(Director)in

Co-investorsCircular Innovation FundCollaborative FundKdT VenturesNeotribe VenturesVolta CircleClean Energy Venture+2 more

OX2ox2.cominSep 2025 · $28M

OX2 is a renewable energy developer and operator that designs, constructs, owns, and manages large-scale wind, solar, and energy storage projects.

CleantechClimate TechEnergy

Co-investorsAltorAramco VenturesBraavos CapitalEni NextIAGi VenturesInternational Airlines Group (IAG)+2 more

Valevale.cominFeb 2025

Vale is a global mining company that extracts and processes minerals and base metals, operating an integrated logistics network of mines, railways, ships, and ports to transport ore to distribution centers.

EnergyLogistics & Supply ChainNew MaterialsCharleston, US

Gustavo PimentainTanner Metzmeier(Executive Officer, Director)Joseph Porter(Executive Officer, Director)

Co-investorsApollo Asset Management

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.