/Investor DB

Spero Ventures — Full Portfolio

57 tracked investments · listed companies and verified rows first

Fuel Techftek.cominNASDAQ: FTEKApr 2026 · $14.6M

Fuel Tech provides emissions control systems targeting NOx, SO3, ABS, PM2.5, and CO2, with over 2,100 systems installed across 27 countries, and also offers DGI Dissolved Gas Infusion technology for fresh water treatment.

CleantechClimate TechEnergyWarrenville, US

Vincent Arnone(Executive Officer, Director)inEllen Albrecht(Executive Officer)inDennis Zeitler(Director)Thomas Shaw, Jr.(Director)Sharon Jones(Director)Douglas Bailey(Director)

Co-investorsInspired CapitalWireframe Ventures

Why we Investedandrewparker.net𝕏✓ verified

Leaf is a unified API platform that aggregates and standardizes data from farm equipment, IoT sensors, and agricultural data sources in proprietary formats.

AgTechData & InfrastructureSaaS

Bailey StockdaleJoseph AlbertsinLuiz Santana

Co-investorsRadicle GrowthS2G InvestmentsTrailhead Capital

Corvus Roboticscorvus-robotics.comin𝕏Seed · Oct 2024 · $5M

Corvus Robotics builds autonomous drones that perform warehouse inventory scanning and material handling automation for large enterprises across North America.

Advanced ManufacturingAI & Machine LearningIoTLogistics & Supply ChainRoboticsSan Francisco, US

Jackie Wu(CEO)inKabir Mohammed(Director)inCorvus Robotics. He(Founder)Jackie Wu Kabir Mohammed(Founder)Mohammed Kabir(Founder)Jonathan Sandau(Chief Software Architect)

Board seatShripriya Mahesh· per SEC Form D

Co-investorsY CombinatorCatalyst InvestorsCathexis VenturesCIBUS ENTERPRISE FUND II LPf7 VenturesGoAhead Ventures+10 more

Gencovegencove.cominSeed · Nov 2021 · $3M

Gencove provides direct-to-consumer genetic sequencing and polygenic risk scoring for health insights.

BiotechDigital HealthHealthtechNew York, US

Tomaz Berisa(Executive Officer, Director)inJoseph Pickrell(Executive Officer, Director)in

Board seatSara EshelmanShripriya Mahesh· per SEC Form D

Co-investorsBread And Butter Ventures, LlcVersion One VenturesAlexandriaBalaji SrinivasanBurst CapitalRefactor Capital+1 more

Open Gardenopengarden.comJan 2018SEC filingmedium confidence

Oakland, US

Don Hutchison(Director)Bill Woodcock(Director)Paul Hainsworth(Executive Officer, Director)

Board seatShripriya Mahesh· per SEC Form D · $50M raise · filed Mar 2018

Co-investorsAugust CapitalFuture Perfect VenturesKima VenturesMI VenturesDigital Garage

RelayRidesinMar 2022SEC filingmedium confidence

San Francisco, US

Shelby Clark(Director)inAndre Haddad(Executive Officer, Director)Anne Dorman(Executive Officer)in

BoardDeepak Kamra(Director)inHoward Hartenbaum(Director)inJoe Kraus(Director)in

Board seatShripriya Mahesh· per SEC Form D · $35.2M raise · filed Mar 2022

Co-investorsAugust CapitalCanaan PartnersGV (Google Ventures)Shasta Ventures

Shelfmintshelfmint.comJul 2018SEC filingmedium confidence

New York, US

Ryan Schulke(Director)Ari Kassman(Executive Officer, Director)

Board seatShripriya Mahesh· per SEC Form D · $2M raise · filed Jul 2018

Co-investorsGotham Gal Ventures

Singularity Energysingularity.energyin𝕏Seed · Jan 2022 · $5M

Singularity Energy builds grid modeling and carbon accounting software, combining grid physics, certificate accounting, and data engineering to support emissions measurement and grid decarbonization.

CleantechClimate TechData & InfrastructureEnergyCambridge, US

Wenbo Shi(CEO & Founder)in

Board seatMarc Tarpenning· per SEC Form D

Co-investorsEnergy Impact PartnersPlug and Play VenturesThird SphereBlackhorn Ventures

Wattchwattch.ioinSeed · Dec 2022 · $4M

Wattch provides a software and hardware platform for monitoring, intelligence, and control of renewable energy assets such as solar and storage, including a Hybrid SCADA system, digital twin analytics, and AI-optimized dispatch.

AI & Machine LearningCleantechEnergyIoTSaaSSmyrna, US

Jared Duncan(Founder)inRobert Alexander Nussey(Executive Officer, Director)

Board seatMarc Tarpenning· per SEC Form D

Co-investorsOverlineVoLo Earth VenturesCyberlaunch

Allieallie-ai.com

Alex Sandoval(Founder)Nicolas Hernan Degiorgis(Founder)

Co-investorsARTFO Holdings LLCBDev VenturesCaravela CapitalVoyager Partners

Aralez Bioaralezbio.comin

Aralez Bio produces noncanonical amino acids using biocatalysis, including compounds that add rigidity to peptide backbones and increase enzyme resistance.

BiotechCleantechClimate TechDeep TechNew MaterialsBerkeley, US

Tina Boville(Co-founder & CEO)inDavid Romney(Co-founder)inFrances Arnold(Co-founder / Scientific Founder)

Co-investorsAstiaFifty YearsFREEFLOWGood Growth CapitalISVJuniper+2 more

Base Operationsbaseoperations.coin𝕏Series A · Dec 2023 · $9M

Base Operations provides a platform for corporate security teams to proactively identify and analyze threats using street-level intelligence and data-driven insights.

AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareSaaSWashington, US

Cory Siskind(Founder)

Co-investorsCapital B Private HoldingsGaingelsGlasswing VenturesGood Growth CapitalGrotech VenturesInner Loop Capital+6 more

BrainsGatebrainsgate.comDec 2020 · $14M

BrainsGate develops a neurostimulation therapy for stroke patients based on stimulation of the sphenopalatine ganglion (SPG) to increase cerebral blood flow.

BiotechHealthtechMedical Devices

Co-investorsAgate Medical Investments LPCipio PartnersElron VenturesJJDCPitango

Canopycanopyworks.comin

Canopy develops an IoT-based wearable safety platform for healthcare organizations to protect workers from safety risks and workplace violence.

Enterprise SoftwareHealthtechIoTPalo Alto, US

Shan Sinha(Co-founder & CEO)inVinay Pulim(Co-founder & Chief Technology Officer)inHemanth Meenakshisundaram(Co-founder & Chief Scientist)in

Co-investors25MadisonACME CapitalBreakpoint CapitalFounder CollectiveNextView Ventures

Clarityclarity.ioin𝕏

Clarity provides air quality sensing-as-a-service solutions, combining hardware air pollution sensors with cloud-based monitoring software and consulting services for organizations and communities measuring air quality.

CleantechClimate TechData & InfrastructureHardwareIoT

David Lu(Founder)in

BoardMinette NavarreteinRamanan RaghavendraninMarc Tarpenningin

Co-investorsBlue Bear VenturesGroundswell VenturesKickstart VenturesSOSVSoundproof VenturesHumba Ventures+2 more

Confirmconfirmhr.comSeries A · Aug 2023 · $6M

Confirm offers a workforce talent platform combining learning, engagement, and performance management into what it calls the "Talent Flywheel." It serves frontline organizations, scaling businesses, and traditional mid-market, enterprise, and public-sector workforces, with uses including onboarding, compliance training, and employee retention.

Future of WorkHR TechSaaS

Co-investorsAlumni Ventures

Confirm HRconfirm.comin𝕏Jan 2023

Confirm is an AI-powered performance management platform that uses Organizational Network Analysis to map collaboration patterns and provide objective data for fairer employee reviews.

AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US

Josh Merrill(Founder)inJeremy Lerner

Co-investorsElefundGaingelsMana VenturesResolute VenturesScribble VenturesWestern Technology Investment+1 more

Elieli.buildin

Eli simplifies access to home energy programs through software that streamlines complex workflows in clean energy and electrification.

AI & Machine LearningClimate TechEnergyFintechSaaS

Jeff Coleman(Founder)inAdrian Del Balso(Founder)inEduardo Del Balso(Founder)in

Co-investorsCity LightLeap Forward VenturesLooking Glass CapitalLowercarbon CapitalR/GA VenturesStepchange+3 more

Eli TechnologiesinJan 2024

Sacramento, US

Jeffrey Coleman(Executive Officer, Director)Eduardo Del Balso(Director)Shawn Xu(Director)Adrian Del Balso(Executive Officer)

Co-investorsLeap Forward VenturesLowercarbon CapitalRally Cap VenturesUntapped Capital

Empowerlyempowerly.cominFeb 2024 · $15M

Empowerly provides college admissions counseling and application support services to help students gain admission to top universities.

EdTechBay Area, US

Hanmei Wu(Founder)inChangxiao Xie(Co-founder)

Co-investorsAzure Capital PartnersBerkeley SkyDeck FundBrighter CapitalConductive VenturesFJ LabsGaingels+8 more

Euclideuclid.vcinJan 2011

Euclid is a venture capital firm focused on Vertical AI, providing research-driven insights and investing in companies building vertical AI software.

AI & Machine LearningPalo Alto, US

William Smith(Executive Officer, Director)inNic Poulos(Founder)in

BoardMichael Dearing(Director)Patrick Chung(Director)

Co-investorsDeep AcreXG VenturesBenchmarkCommonweal VenturesDesigner FundToba Capital+1 more

Euclid Powereuclidpower.cominSeed · Sep 2025

Euclid provides software and services for renewable energy teams, including a platform that extracts and structures data from project documents into costs, risks, requirements, and action items.

CleantechClimate TechEnergySaaSNew York City, US

Jacob Sandry(Founder)inBrian DeMaio(Founder)inRyan Guay(Founder)in

Co-investorsBridges Fund Management Ltd.Coalition OperatorsCommonweal VenturesDesigner FundNextView VenturesSquad Capital+3 more

Guideguide.coSeed · Mar 2022 · $8M

Guide helps job seekers find meaningful work by making job search more transparent and enjoyable.

AI & Machine LearningFuture of WorkHR TechSaaS

Austin

Co-investorsFirst Round CapitalScribble Ventures

Huckleberryhuckleberrycare.com

Huckleberry offers a baby tracker app and sleep support that combines pediatric sleep experts with AI to build custom sleep plans for families.

AI & Machine LearningConsumerDigital Health

Seng Oon Toh(Founder)

Co-investorsCity LightTamarisc VenturesVela PartnersThe Fund

Huckleberrygethuckleberry.comin

Huckleberry provides coaching services designed to make professional development accessible to all employees, not just senior leadership, with coaching delivered in real-time within workflows rather than through scheduled sessions.

AI & Machine LearningEnterprise SoftwareFuture of WorkHR TechSaaS

Aaron Ward(Founder)in

Co-investorsArchangel VenturesEverywhere VenturesOregon Venture FundAmaranthineCrosslink CapitalTamarisc Ventures+2 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

Hyrohyro.aiMay 2023 · $20M

Plug-and-play conversational AI platform enabling voice and chat interactions with information across digital channels.

Israel Krush(Founder)inRom Cohen(Founder)inUri Valevski(Founder)

Co-investorsBlack Opal VenturesDefine VenturesDorm RoomEntrepreneurs Roundtable Accelerator (ERA)Hanaco Venture CapitalHealthier Capital+9 more

Juno Kidsjunokids.comin𝕏

Juno provides disability insurance for children under 26 in the United States, offering financial protection and support to parents managing a child's severe illness or disability.

FintechHealthtechHR TechInsurTechBay Area, US

Jordan Epstein(Cofounder)inSnae(Cofounder)BillDanMeghanSnaebjorn Gunnsteinsson(Cofounder)in

Co-investorsFloating PointImmeasurableNVP CapitalNewark Venture Partners

Leafwithleaf.ioAug 2024 · $11.3M

Provides food & agriculture companies tools to connect and analyze farm data.

Co-investorsCapria VenturesRadicle GrowthS2G InvestmentsSP VenturesCultivian Sandbox Ventures

Leaf Agriculturebuildwithleaf.comSeries A · Jul 2024 · $11M

Leaf provides a unified API that lets companies retrieve, manage, and sync farm data—such as machine field-operations data, field boundaries, and satellite/drone imagery—from major agriculture providers in a single consistent format.

AgTechData & InfrastructureDeveloper Tools

Mast Reforestationmastreforest.comin𝕏Series A · Feb 2025 · $25M

Mast combines forest restoration with biomass burial to remove carbon and restore wildfire-affected landscapes.

AgTechAI & Machine LearningCircular EconomyCleantechClimate TechFintechImpact & Social GoodSeattle, US

Grant Canary(Founder)in

Co-investorsAsymmetry VenturesChrysalixDcode CapitalGaingelsGENIUS NYKeiki Capital+14 more

Mobiusmobius.exchange𝕏Dec 2025 · $3M

Möbius Exchange is a Mantle-native StableSwap decentralized exchange for swapping stablecoins and pegged assets with low slippage, using an Asset Liability Management model that supports single-sided liquidity provision and open, multi-asset pools.

Crypto & Web3Fintech

Co-investorsBitDAOMantle NetworkMotive PartnersREFASHIOND Ventures

Mobius Materialsmobiusmaterials.comin𝕏Seed · Dec 2022 · $3M

Mobius Materials operates a certified marketplace enabling contract manufacturers and OEMs to buy and sell excess electronic components directly, addressing annual waste of $15B in discarded components despite ongoing demand.

Advanced ManufacturingB2B MarketplacesCircular EconomyHardwareNew MaterialsRoboticsSan Francisco, US

Margaret Upshur(Founder)in

Co-investorsJHH vcLighthouse Network Ventures LlcOutsidersStartXThe E14 FundUndeterred Capital+3 more

Oovaoova.lifein𝕏

Oova offers a clinical-grade at-home hormone test that pairs with an AI-powered app to measure LH, estrogen (E3G), and progesterone (PdG) levels from urine, scanned via a smartphone camera.

AI & Machine LearningDigital HealthFemTech

Amy Divaraniya(Founder)inAparna (Amy) Divaraniya, PhD(Founder)in

Co-investorsBBG VenturesConnecticut InnovationsHelmKluz VenturesSamsung NextFor Good Ventures

Persist AIpersist-ai.cominSeries A · Apr 2023

Persist AI provides AI-driven formulation development services for pharmaceutical compounds, combining robotic lab automation with machine learning models to accelerate drug formulation optimization and reduce time-to-market.

AI & Machine LearningBiotechHealthtechMedical DevicesRoboticsSacramento, US

Karthik Raman(Founder)inChristopher Shelner(Founder)in

Co-investors2048 VenturesGlobal BrainGood AI CapitalJovonoPioneerY Combinator+5 more

Pickaxepickaxe.coin𝕏

Pickaxe is a no-code platform for building, packaging, and deploying custom AI agents.

AI & Machine LearningCreator EconomyDeveloper ToolsSaaS

Nathaniel Mahowald(Founder)in

Co-investorsSwift Ventures

Remarkwithremark.comin𝕏

Remark provides AI-powered customer support and shopping assistance for e-commerce businesses, using AI personas to answer shopper questions and resolve support tickets while routing complex cases to human agents.

AI & Machine LearningE-commerceRetail TechSaaS

Theo Satloff(Co-founder & CEO)inCarl-Philip Majgaard(Co-founder & Tech Lead)Ian Patterson(Co-founder & Sales)in

Co-investorsInspired CapitalShine CapitalVisible VenturesStripeSugar CapitalTwelve Below

Sixtyfoursixtyfour.aiin𝕏Jul 2026

SixtyFour provides AI agents that conduct deep research on people and companies by autonomously gathering and cross-referencing data from multiple sources including official records and the web.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US

Saarth Shah(CEO)inChristopher Price(COO)inHashim Khawaja(Founding Engineer)Trevor Tuttle(MTS)inHenry Wang(Founding Engineer)Vagmin Viswanathan(AI Engineering)

Co-investorsFoundation CapitalY Combinator468 CapitalAirAngelsHomebrewLightspeed Venture Partners+3 more

Skillshareskillshare.comJul 2020

Skillshare is a New York-based subscription online learning community offering video classes in creative disciplines.

New York, US

Michael Karnajaprakorn(Executive Officer, Director)Michael Karnjanaprakorn(Founder)Malcolm Ong(Founder)

BoardAlex Finkelstein(Director)inAlbert Wenger(Director)inRamanan Raghavendran(Director)in

Co-investorsBoxGroupBurda Principal InvestmentsCollaborative FundFounder CollectiveKickstart VenturesMenlo Group+17 more

Sorasora.mxin

Sora is a labor compliance platform that digitizes and manages employee records for companies in Mexico, using AI agents to advise on labor decisions, generate documents based on the Federal Labor Law (LFT), and provide legally valid electronic signatures with facial biometrics.

AI & Machine LearningHR TechLegalTechMonterrey, MX

Co-investorsAct One VenturesInspired Capital

Sorasora.spacein

Sora turns companies' unused office space into fully managed, turnkey offices through a service offering, letting hosts generate revenue while delegating the management of shared occupancy.

MarketplacesPropTechParis, FR

Romain Allouch(Founder)in

Co-investorsDaphniInspired Capital

Sora Fuelsorafuel.cominApr 2026 · $15M

Sora Fuel produces sustainable aviation fuel (SAF) and diesel using a proprietary closed-loop direct air capture and conversion process that draws carbon from air rather than biomass or industrial feedstocks.

CleantechClimate TechEnergyCambridge, US

Curtis Berlinguette(Founder)inGareth Ross(Founder)inCurtis Belinguete(Director)

BoardPatrick Sarver(Founder)inMarc Tarpenning(Director)inMichael Kearney(Director)in

Co-investorsInnovation UBCInspired CapitalLeitmotifMana VenturesThe Engine VenturesWireframe Ventures

Sora Schoolssoraschools.comin𝕏Apr 2026 · $14.6M

Sora Schools provides an engaging, personalized learning experience built by educators, designers, and engineers.

EdTechAtlanta, US

Indra Sofian(Director)inWesley Samples(Executive Officer, Director)Garrett Smiley(Founder)in

BoardTed Dintersmith(Director)Rebecca Kaden(Director)inMichael Lynton(Director)

Co-investorsContraryGaingelsHoneystone VenturesInspired CapitalUnion Square Ventures (USV)CRV (Charles River Ventures)+6 more

Sora Venturessora.vcin𝕏

Sora Ventures is an Asia-based investment firm that acquires and operates publicly traded companies while implementing Bitcoin treasury strategies and backing web3 and digital asset infrastructure.

Crypto & Web3

Co-investorsSerafundInspired Capital

talkshoplivetalkshop.livein𝕏Seed · Feb 2021 · $3M

TalkShop.live is a live shopping platform where users watch live video streams and buy featured products directly during the broadcast, using its patented shoppable embedded point-of-sale technology.

E-commerceMedia & EntertainmentRetail Tech

Bryan Moore(Founder)inTina Moore(Founder)in

Co-investorsFlucas VenturesFourth RealmGaingelsProgress Ventures

Telo Truckstelotrucks.comin𝕏Seed · Mar 2024 · $5M

TELO Trucks builds the MT1, an all-electric compact pickup that combines pickup-truck utility with EV range and advanced safety technology in a subcompact footprint.

CleantechHardwareMobility & Transportation

Forrest North(Founder)Jason Marks(Founder)Yves Béhar(Founder)

Co-investorsE12 Venture Capital, LlcGaingelsGoAhead VenturesTO VCUncorrelated Ventures

Tiny Healthtinyhealth.cominAug 2024

Tiny Health offers at-home gut and vaginal microbiome test kits with age-specific, evidence-based reports that recommend diet, supplement, and lifestyle changes.

Digital HealthHealthtechWellness & Fitness

Cheryl Sew Hoy(Founder)in

Co-investorsAlumni VenturesB Capital GroupB4 CapitalCartan CapitalModi VenturesNext Coast Ventures+11 more

VistaPath Biosystemsvistapath.aiin𝕏

Vistapath develops technology solutions to modernize pathology lab operations, helping pathology laboratories improve quality, efficiency, and consistency in critical lab processes.

AI & Machine LearningHealthtechMedical DevicesCambridge, US

Timothy Spong(CEO & Founder)inBen Burley(COO & Founder)inBurley Benjamin(Executive Officer, Director)Jacob Guggenheim(CTO)inTim Spong(Founder & CEO)

Co-investorsCota CapitalFirst Star VenturesMoxxie VenturesNextGen Venture PartnersOlima VenturesScribble Ventures+3 more

Other

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

Clarity MovementCore WellnessOlden Labs PBCTortuga Agricultural TechnologiesAllHere EducationArtelizeMatiNana AcademyRevUp Software

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.