Fundraising Fox

Spring Lane Capital β€” Full Portfolio

14 tracked investments Β· listed companies and verified rows first

Solunasolunacomputing.comin𝕏NASDAQ: SLNH

Soluna builds data centers co-located with wind, solar, and hydro plants to convert surplus renewable energy into computing capacity for AI and Bitcoin mining, managed by its MaestroOS software.

CleantechCloud ComputingCrypto & Web3EnergyNew York, US

John Belizare(Executive Officer, Director)Matthew Lipman(Director)Bill Phelan(Director)

Co-investorsGenerate Capital

DevEnginedevengine.devβœ“ verified

DevEngine provides development-stage capital and hands-on project development support to sustainable infrastructure and clean energy developers, co-investing at the ProjectCo level.

CleantechClimate TechEnergy

Co-investorsGenerate Capital

Andion Renewables
Argo Development Partners

EnergyLaconia, US

Miles Walker(Managing Director)

BoardNikhil Garg(Director)inJustin Hines(Director)

Aries Clean Technologiesariescleantech.comin𝕏Jul 2024

Aries Clean Technologies develops waste conversion and gasification technology for processing materials such as biosolids and sludge into cleaner outputs.

Circular EconomyCleantechClimate Tech

Kari Mueller(Chief Executive Officer)

Atlas Organicsatlasorganics.netin

Atlas Organics collects and recycles organic waste from homes and businesses into compost and soil amendment products for landscapers, farmers, nurseries, and home growers, and helps municipalities set up composting facilities.

AgTechCircular EconomyCleantechSpartanburg, US

Joseph McMillin(Founder)Joseph B McMillin(CEO)

Co-investorsTamiami AngelVentureSouthGratitude Railroad

Belle Spring Farms
Cambrian Innovation

CleantechBoston, US

Matthew Silver(Executive Officer, Director)Bruce Smith(Executive Officer)Justin Buck(Executive Officer, Director)

BoardJoseph Caruso(Director)

Co-investorsPennybacker

CleanFibercleanfiber.com

CleanFiber manufactures cellulose-based insulation from recycled newsprint for the building materials industry.

Advanced ManufacturingCircular EconomyCleantechConstruction TechNew MaterialsBuffalo, US

Sami Rahman(CEO)Erik Gregory(Chief Financial Officer)Jonathan Strimling(Executive Officer)James Austin(Executive Officer)Marco Peterson(Executive Officer, Director)

BoardNoah Lerner(Director)in

Co-investorsAligned Climate CapitalBoston Harbor AngelsClean Energy VentureClimate Innovation CapitalGlobal BrainKeiretsu Forum+6 more

EVCSevcs.comin𝕏

EVCS builds and operates a network of fast, public electric-vehicle charging stations aimed at expanding access for EV drivers.

CleantechEnergyMobility & Transportation

Spring Free EVspringfreeev.cominSep 2025

San Francisco, US

Sunil Paul(Executive Officer, Director, Promoter)

BoardMartin Lagod(Director)Robert Day(Director)in

Co-investorsBrainstorm VenturesCity Light

Vandalia Produce
Zanskarzanskar.com

Zanskar develops geothermal energy projects using AI and advanced geoscience to map subsurface resources and deliver utility-scale, carbon-free power.

AI & Machine LearningDeep TechEnergy

Carl Hoiland(Founder & CEO)inJoel Edwards(Founder)

Co-investorsAzolla VenturesClearvision VenturesFirst Star VenturesGVP ClimateLOWERCARBONLowercarbon Capital+6 more

Zanskarzanskar.usJan 2026 Β· $115M

Zanskar uses geoscience, AI, and advanced drilling methods to map the Earth's subsurface and identify geothermal resources that have been overlooked or considered too risky.

AI & Machine LearningClimate TechEnergy

Carl Hoiland(Founder)inJoel Edwards(Founder)in

Co-investorsAzolla VenturesPrime Impact FundSafar PartnersBessemer Venture PartnersFirst Star VenturesLowercarbon Capital+3 more

Rows marked β€œSEC filing” are inferred from directors named on the company's SEC Form D β€” public regulatory data, not a portfolio list published by the firm.