/Investor DB

Starshot — Full Portfolio

18 tracked investments · listed companies and verified rows first

Alderbuck Energyalderbuck.comin

Alderbuck develops modular, solid-state power electronics and energy management systems for medium voltage grid interconnection.

CleantechDeep TechEnergyHardwareSan Diego, US

Carolyn Frances Heinstrom(Executive Officer)Richard Joseph Sander(Executive Officer, Director)inPJ Hegener(Director)

BoardJeremiah Heymann Brewer(Director)

Alpha Gridalphagrid.ai

Pricing intelligence for EV charging infrastructure

Palo Alto, US

Lucas Ackerknecht(Founder)Phil Stahlfeld(Founder)

Co-investorsTwine VenturesWorkshop Venture Partners

Brightbandbrightband.comin𝕏

Brightband is building an end-to-end AI Earth System for probabilistic weather and climate forecasting, and plans to open source benchmark datasets, models, and metrics for global weather forecasting.

AI & Machine LearningClimate TechDeep TechSan Francisco, US

Julian Green(Founder)inDaniel Rothenberg(Founder)in

Co-investorsCLAI VenturesFuture Back VenturesPrelude Ventures

Dicesolutionsthegame.comin𝕏

Solutions is a climate-themed board game that adapts the Project Drawdown framework into a card-based format, presenting real climate solutions for players to learn about, discuss, and debate.

Climate TechEdTechGamingImpact & Social GoodSacramento, US

Sam(Creator / Game Designer)

Co-investorsDallas Venture Capital

Ecolectroecolectro.comin𝕏

Ecolectro is an e-commerce site providing information on goods and services, with the ability for users to contact the company and sign up for a mailing list.

CleantechClimate TechE-commerceEnergyIthaca, US

Kristina M. Hugar(Executive Officer, Director)inGabriel G. Rodríguez-Calero(Founder)inZinovia Spezakis(Executive Officer)Jon Gordon(Executive Officer)Gabriel Rodriguez-Calero(Founder)Kristina Hugar(Founder)

Co-investorsEnergy Revolution VenturesLaunch NYNew Climate VenturesTechstarsAsymmetric Capital PartnersDnx Ventures+3 more

Harvest Thermalharvest-thermal.cominOct 2023

Harvest Thermal makes an all-in-one home heating, cooling, and hot water system that pairs an air-to-water heat pump with an insulated thermal storage tank and optimization software to shift electricity use to cheaper, cleaner periods.

Advanced ManufacturingCleantechClimate TechEnergyHardwareKensington, US

JanePierreKen Munson(Executive Officer, Director)inElisabeth Jane Melia(Executive Officer, Director)

Co-investors37 AngelsAstiaBerkeley Angel NetworkClimate Impact CapitalCool Climate CollectiveDangerous Ventures+9 more

Imioimio.coinJun 2026

Imio makes Re-Gen, a freeze-dried microbial powder applied to crop residue for row crops such as corn, helping farmers unlock NPK nutrient value and increase yields.

AgTechBiotechClimate TechChicago, US

Charles Frederick Smith(Executive Officer, Director, Promoter)

BoardJeremiah Brewer(Director)Guillaume Baxter(Director)

Co-investorsNextwave [X] PartnersWorkshop Venture PartnersSerra Ventures

inBalanceinbalanceresearch.comSeed · Mar 2020Acquired

inBalance uses machine learning to predict electricity prices, helping energy storage operators, EV charging networks, and similar businesses optimize revenue.

Advanced ManufacturingClimate TechEnergySaaSSan Francisco, US

Thomas Marge(Founder)inEdwin Fennell(Director)Rajan Troll(Director)

Co-investorsEmles Venture PartnersKnockout CapitalLorimer VenturesY CombinatorA-Level CapitalAgrolimen Ventures+4 more

Miraterramiraterrasoil.comin

Miraterra uses machine learning and design to unlock insights about soil, plants, and food systems for regenerative agriculture.

AgTechAI & Machine LearningClimate TechFoodTechCanada, CA

Nate Kelly(CEO)in

Co-investorsAt One VenturesiSelect FundS2G InvestmentsFCC

Mojavemojavehvac.comin

Mojave manufactures liquid desiccant HVAC systems that independently control humidity and temperature with lower energy consumption than conventional systems.

Advanced ManufacturingCleantechClimate TechConstruction TechEnergyHardwareSunnyvale, US

Phil Farese(CEO)in

Co-investorsAlumni VenturesAt One VenturesEarth Venture Capital

Muon v2muonvision.com

Muon Vision uses cosmic ray muons to provide 4D continuous subsurface monitoring, delivering volumetric scan data on heap leach pads, tailings dams, and underground assets.

Deep TechHardwareIoTCambridge, US

Tancredi Botto(Founder)in

Co-investorsAzolla Ventures

Otoro Energyotoroenergy.com

Otoro Energy develops a non-flammable, low-cost flow battery offering 10+ hours of storage duration for utilities powering critical infrastructure.

CleantechClimate TechEnergy

Michael Marshak(CEO & Founder)in

Co-investorsThird Derivative

Phaidraphaidra.aiin

Phaidra develops an AI control platform that uses reinforcement learning to optimize energy efficiency and operational performance in data centers and AI factories.

AI & Machine LearningCloud ComputingDeep TechEnergySeattle, US

Jim Gao(Founder)inVeda Panneershelvam(Co-Founder and Chief Technology Officer)inKatie Hoffman(Founder)inVedavyas Panneershelvam(Founder)

Co-investorsCollaborative FundCool Climate CollectiveEast Valley VenturesFlying Fish VenturesIncubate USIndex Ventures+9 more

Renren.inc

Ren Energy helps global brands cut supply-chain emissions by enabling their suppliers—mainly factories across Asia—to adopt renewable energy through onsite rooftop solar and offsite power purchase agreements.

CleantechClimate TechEnergyPortland, US

Eric Jen(Founder & CEO)in

Co-investorsPlug and Play VenturesSystemiq CapitalCamber CreekElevate CapitalJLL Spark Global VenturesSYSTEMIQ

Rumin8rumin8.comin

Rumin8 develops feed supplements for ruminant livestock that reduce methane emissions by applying anti-methanogenic solutions derived from nature.

AgTechClimate TechImpact & Social GoodWestern Australia, AU

David Messina(Co-founder & CEO)inDr Stewart Washer(Co-founder & Chairman)inMatt Callahan(Co-founder and Head of Regulatory)in

Co-investorsBreakthrough Energy VenturesPrelude Ventures

Other

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

Alta Resource TechnologiesMojave Energy SystemsPorifera

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.