/Investor DB

Ring Capital — Full Portfolio

28 tracked investments · listed companies and verified rows first

Abacusgetabacus.comSep 2022

Abacus uses AI to extract data from complex tax documents including K-1s and state forms for U.S. accounting firms.

AI & Machine LearningFintechBirmingham, US

Brandon Sugarman(Founder)in

Co-investorsMenlo VenturesAlkeon CapitalCoatue ManagementIndex VenturesOriginal CapitalPear VC+2 more

Annetteannette.careinDec 2025

Annette is a subscription weight-loss coaching program that combines nutritional, behavioral, and physical-activity support with an app, dietitians available by chat, and referral to independent physicians who can evaluate eligibility for GLP-1 obesity treatments.

Digital HealthHealthtechWellness & Fitness

Co-investorsAFI VenturesCloverRedstoneRelics VentureVentech

Apiapi-masuperette.fr

Api operates self-service, unstaffed convenience stores in French villages that lack local shops, offering around 700 everyday grocery products at supermarket prices and open every day of the year.

E-commerceFoodTechRetail Tech

Avaava.me

Ava provides real-time captioning for conversations to make audio content accessible to deaf and hard-of-hearing people.

AI & Machine LearningDigital Health

Thibault DucheminzThibault Duchemin(Founder)

Co-investorsDay One VenturesDorm RoomEnable VenturesFJ LabsInitialized CapitalLerer Hippeau+6 more

Bleckwenbleckwen.aiin

Bleckwen provides a fraud detection and scoring platform with a central portal for alerts and decision support, enabling fraud teams to evaluate and act on risk signals more efficiently.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechSaaS

Co-investorsBNP ParibasTempoCap

Cartacarta.comin𝕏

Carta is a cloud-based ERP platform for private capital markets that manages cap tables, equity administration, fund management, and valuations for startups, private companies, and venture funds globally.

Enterprise SoftwareFintechSaaSSan Francisco, US

Henry Ward(Founder)inManu Kumar(Founder)inCharly Kevers(Chief Financial Officer)inJeff Perry(Chief Revenue Officer)inNick Avery(Chief People Officer)inNicole Baer(Chief Marketing Officer)in

Co-investors1818 Venture Capital4DX VenturesA*Adventure FundAlign VenturesAlumni Ventures+81 more

Ed.aied.aiin

Ed.ai offers an AI grading tool for handwritten mathematics assessments, letting teachers grade a full class set in under 15 minutes and identify where students struggle with concepts like polynomial operations and proof logic.

AI & Machine LearningEdTechParis, FR

Cédric BIGNON(Founder)in

Co-investorsAFI VenturesKima VenturesXAnge

Enerdigitenerdigit.frin

Enerdigit is a French demand-response operator (opérateur d'effacement électrique) accredited by RTE that designs and manages electricity load-curtailment programs for industrial and multi-site companies.

CleantechClimate TechEnergy

Enriseenrise.frin

Enrise designs and installs solar photovoltaic systems on rooftops and parking canopies for businesses to consume green energy on-site, with options to store or resell surplus power.

CleantechClimate TechEnergyPropTech

Co-investorsAFI VenturesSET Ventures

Epocaepoca.healthSep 2023

EPOCA provides medical remote monitoring (télésurveillance) for seniors, including those with multiple unstable chronic conditions such as heart, respiratory, or renal failure and diabetes, to support safe care at home or in care facilities.

Digital HealthHealthtechLongevity

Co-investorsXAngemakesense

Ever Dyeeverdye.frinJun 2025

EverDye develops biobased dyeing pigments and a low-heat, low-energy dyeing process aimed at reducing the carbon emissions, energy use, and toxic chemicals of textile dyeing.

Advanced ManufacturingCircular EconomyCleantechClimate TechNew MaterialsParis, FR

Ilan Palacci(Founding CEO)inAmira Erokh(CTO)in

Co-investors212DaphniEntrepreneur FirstBpifranceMaki.vc

Goodvestgoodvest.frin𝕏Nov 2023

Goodvest is an investment platform that helps individuals invest their savings in sustainable and climate-focused funds aligned with environmental, social, and governance criteria.

Circular EconomyClimate TechFintechImpact & Social GoodFrance, FR

Joseph Choueifaty(Founder)inAurore Pinon-Jacquesin

Co-investorsGlobivestPolytechnique VenturesSerenaCrowdcube

Hiboohiboo.ioin𝕏Dec 2023

Hiboo is a software platform that collects and centralizes data from mixed fleets of heavy equipment and utility vehicles regardless of make, model, or year, offering reports and alerts on downtime, faults, fuel use, and carbon impact.

Construction TechIoTSaaS

Clément Bénard(Founder)inFrançois Jacob(Founder)in

Co-investorsBerliner Volksbank VenturesEmerald Technology Ventures AgIsaiISAI GestionNabtesco Technology VenturesRedstone+3 more

HyLighthylight.aeroinSeed · Apr 2024 · $4M

HyLight develops hydrogen-powered airships equipped with advanced sensors and AI technology to monitor critical infrastructure including power lines, railways, and pipelines, enabling early risk detection.

Advanced ManufacturingAI & Machine LearningClimate TechEnergyHardwareParis, FR

Thomas Laporte(Founder)inMartin Bocken(Founder)inJosef Rokusek(Founder)inThéo HoenenErwan Piquet(Chief of Staff)Louis Catar(Lead Mechanical Engineer)

Co-investorsCollaborative FundEarth Venture CapitalKima VenturesMyAsiaVCTeampact.venturesY Combinator+11 more

Knowunityknowunity.aiin

Knowunity is an educational platform with over 30 million students that provides AI-powered tutoring, study notes, and quizzes across hundreds of subjects.

AdTechAI & Machine LearningConsumerEdTechMarketing Tech

Lucas Hild(Founder)inBenedict Kurz(Founder)inGregor Weber(Founder)in

Co-investorsCombination VCDiscovery Ventures III Gmb H & Co. KGEducapitalIsomer CapitalProject A VenturesXAnge+2 more

Knowunityknowunity.com

Knowunity operates a study app with an AI companion built for students, offering homework help, exam preparation, personalised study plans, quizzes, and shared study notes.

AI & Machine LearningConsumerEdTech

Benedict Kurz(Founder)Gregor Weber(Founder)Julian Prigl(Founder)Lucas Hild(Founder)Lucas Kroeber(Founder)Yannik Isenmann(Founder)

Co-investorsProject VenturesProject A VenturesredalpineStride VC

Linkfluencelinkfluence.com𝕏acquired by Meltwater

Meltwater is a consumer intelligence and trend detection platform that turns large volumes of social, editorial, broadcast, and LLM signals into real-time insights for brands and enterprise teams.

AI & Machine LearningData & InfrastructureMarketing Tech

Co-investorsCapDecisif ManagementKarista

Maymay-sante.com

May is a support service for parents that provides reliable answers to their questions seven days a week, including evenings and weekends.

Digital HealthFemTechWellness & Fitness

Moeamoea.io

MoEa sells sneakers made from biomaterials, along with related accessories such as bamboo socks, laces, and a sneaker cleaning kit, and runs a second-life program to refurbish worn pairs.

Circular EconomyConsumerDirect to ConsumerE-commerceParis, FR

Ocusocus.cominApr 2021

OCUS operates a on-demand professional photography platform that connects enterprises with vetted photographers worldwide to produce high-quality images for digital commerce and hospitality.

AI & Machine LearningB2B MarketplacesCreator EconomyEnterprise SoftwareMarketing TechSaaSFrance, FR

ThibaudJulien

Co-investorsBootstrap EuropeExpon CapitalnoaCAP HORN VC

Orus Energyorus-energy.cominJul 2024

Orus Energy provides software that automatically shifts electricity consumption to optimal grid moments, enabling building owners to monetize their flexible electricity assets while supporting grid stability and reducing reliance on fossil fuel generation.

Climate TechEnergySaaS

Alexandre Girard(Founder)inThéophile KARILA(Founder)in

Co-investorsb2venture

Recupere Metalsrecupere-metals.cominFeb 2026

Recupere produces copper electrical wire from 100% recycled feedstock using a process that eliminates smelting, aiming to build more resilient Western copper supply chains and lower greenhouse gas emissions.

Circular EconomyCleantechNew Materials

Katie Marsh(Co-Founder, CEO)inJulien Vaissette(Co-Founder, CTO)in

Co-investorsAENUEndgame CapitalSistaNorrsken VCPrime VenturesVentures Together

Samarasamara.energyJun 2024

Samara provides residential solar energy solutions with flexible payment options, aiming to make solar adoption accessible for homeowners.

CleantechClimate TechEnergy

Manel Pujol(Founder)

Co-investorsKfundMSMAthletico VenturesGeneral CatalystGreen Generation FundMove Energy+3 more

Soil Capitalsoilcapital.comin𝕏

Soil Capital is an agronomy company that runs a certified carbon payment programme rewarding farmers for transitioning to regenerative, low-carbon agriculture, and advises on farmland management.

AgTechClimate TechImpact & Social Good

Co-investorsSandwater

Sophtsopht.comin

Sopht offers a platform that automates IT data collection to measure, simulate, and reduce the environmental footprint and cost of an organization's digital estate.

CleantechClimate TechEnterprise SoftwareSaaSLyon, FR

Jérémie Veg(Founder)inJulien Rouzé(Co-founder)inGautier Levert(Co-founder)in

Co-investorsAxeleo CapitalPlug and Play VenturesWind VentureEvolemTernel

Spliosplio.comin𝕏Sep 2019

Splio provides predictive customer relationship management and marketing orchestration software that anticipates customer purchase intentions and personalizes messaging across channels to increase customer lifetime value.

AI & Machine LearningMarketing TechSaaS

Co-investorsElaiaBNP Paribas DéveloppementBpifranceSWEN Capital Partners

Zeffyzeffy.comin

Zeffy operates a 100% free, all-in-one fundraising and donor management platform for nonprofits and charities, offering tools such as donation collection and volunteer management.

FintechImpact & Social GoodSaaS

Thibaut(Co-founder)François de Kerret(Founder)in

Co-investorsFounderFuelGaingelsMAINPanache Ventures

Other

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

Téo

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.