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IMPACT SCIENCE VENTURESFull Portfolio

7 tracked investments · listed companies and verified rows first

Fervo Energyfervoenergy.cominNASDAQ: FRVOMar 2024 · $244M

Fervo Energy develops next-generation geothermal technology using advanced drilling and sensing techniques to unlock carbon-free, 24/7 power generation in previously uneconomic locations.

CleantechClimate TechEnergyHouston, US

Tim Latimer(Founder & CEO)inJack Norbeck(Founder)in

BoardDavid Thomas Danielson(Director)inNicholas Walrod(Director)Ion Yadigaroglu(Director)

Co-investorsB Capital GroupB4 CapitalBaruch Future VenturesBeast VenturesBreakthrough Energy VenturesCarbon+13 more

Aepnusaepnus.comin

Aepnus is developing a sulfate recycling process that regenerates chemicals on-site from sodium sulfate waste, with a planned demonstration-scale plant designed to process over 500 tonnes of sodium sulfate annually.

Circular EconomyCleantechNew Materials

Lukas Hackl(Founder)in

Co-investorsClean Energy VenturesISVLOWERCARBONLowercarbon CapitalNextFab VenturesVoyager Partners+1 more

Brimstonebrimstone.cominMay 2022 · $55M

Brimstone develops co-production processes to manufacture cement, steel, aluminum, and other critical minerals from a single feedstock in an integrated facility.

Advanced ManufacturingCircular EconomyCleantechConstruction TechNew MaterialsOakland, US

Cody Finke(CEO)inHugo LeandriinCody Finke, Ph.D.(Founder)in

Co-investorsAccelr8Collaborative FundCreative Destruction Lab (CDL)DCVC (Data Collective)Fifth WallGVP Climate+7 more

Feasiblefeasible.ioin𝕏Apr 2022 · $8M

Feasible provides battery cell quality and intelligence tools for battery manufacturers.

Advanced ManufacturingCleantechEnergyHardwareEmeryville, US

Andrew Hsieh(Executive Officer, Director)inShaurjo Biswas(CEO, CTO & Co-Founder)inMinhye Mueller(COO & CFO)inAlfred Lam(Director)in

Co-investorsGood Growth CapitalIncite.orgVolta Energy Technologies

Liminalliminal.aiin𝕏Apr 2022 · $8M

Liminal provides a security-first platform that enables regulated enterprises to safely deploy and govern generative AI across their organization, with multi-model access, data protection, and cost efficiency.

AI & Machine LearningCybersecurityEnterprise Software

Aaron Bach(CTO + Co-Founder)inSteven Walchek(CEO + Co-Founder)in

Co-investorsDraper AssociatesElevation CapitalFlorida FundersFramework Venture PartnersGood Growth CapitalHigh Alpha+2 more

Mafixmafix.agApr 2026

Mafix makes a soil additive for agriculture that aims to restore soil health and increase crop yields while capturing atmospheric CO₂.

AgTechCleantechClimate TechMountain View, US

Jade Marcus(Executive Officer, Director, Promoter)Matthew Kanan(Director, Promoter)

BoardJilian Chase(Director)

Co-investorsSilicon ValleyAstera InstituteAzolla VenturesPlug and Play Ventures

Sepionsepiontechnologies.cominMar 2026 · $10M

Sepion develops advanced polymer separator technology for batteries and other applications including water separation and materials recovery.

CleantechDeep TechEnergyNew MaterialsSilicon Valley, US

Peter Frischmann(CEO & Co-Founder)inBrett Helms(CSO & Co-Founder)in

BoardRandy Chan(Director)

Co-investorsACVC PartnersCreative VenturesFine Structures VenturesFoothill VenturesISVVoLo Earth Ventures+2 more

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.