/Investor DB

Rising Tide — Full Portfolio

81 tracked investments · listed companies and verified rows first

Activ Surgicalactivsurgical.comin𝕏

Activ Surgical develops intraoperative surgical intelligence technology for surgeons, using AR, AI, machine learning, and sensing to display physiological structures and functions not visible to the naked eye.

AI & Machine LearningHealthtechMedical DevicesBoston, US

Peter Kim(Founder)inMichael Ruehlman(Executive Officer)inTodd Usen(Executive Officer, Director)in

BoardEmily Casey(Director)Ashok Krishnamurthi(Director)inDavid Wells(Director)

Co-investorsReimagined VenturesAlumni VenturesArtis VenturesBasecamp FundCastor VenturesCota Capital+8 more

Adstageadstage.ioin

AdStage publishes articles and analysis about digital advertising platforms such as Facebook and Google Ads, covering ad costs, policy changes, and campaign strategy.

AdTechData & InfrastructureMarketing TechMedia & Entertainment

Jason WuinSahil Jain(Founder)in

Co-investors500 GlobalXG VenturesForte VenturesFreestyle Capital

Alice Technologiesalicetechnologies.comin

ALICE Technologies offers a construction "optioneering" platform that uses AI to help general contractors create, explore, and update construction schedules to reduce risk, cost, and build time.

AI & Machine LearningConstruction TechSaaSSan Francisco, US

René Morkos(Founder)in

Co-investorsCreative VenturesBlackhorn VenturesBrick Mortar VenturesFuture VenturesGRIDS CapitalJLL Spark Global Ventures+8 more

Armoryarmory.ioin𝕏Seedacquired by Harness · Jan 2024 · $7M

Armory provides continuous deployment software that helps development teams automate and manage application releases across their infrastructure at scale, with built-in safety and security controls.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Isaac Mosquera(Founder)inBen Mappen(Founder)inDaniel R. Odio(Founder)Lonne Jaffe(Director)Phil Boyer(Director)Rashmi Gopinath(Director)

Co-investorsBase Venture Management, Inc.Crosslink CapitalInsight PartnersJavelin Venture PartnersLumia CapitalMango Capital+26 more

Aspect Biosystemsaspectbiosystems.comin

Aspect Biosystems develops bioprinted tissue therapeutics using a platform that combines AI-powered bioprinting, computational design tools, therapeutic cells, and biomaterials to create implantable allogeneic tissues.

AI & Machine LearningBiotechLongevity

Tamer Mohamed(Founder)inSam Wadsworth(Founder)inSimon Beyer(Founder)inLeela Paris(Chief Technical Operations Officer)inMike Scott(Chief Development Officer)inRay Smith(Chief Financial Officer)in

Co-investorsAngel ForumCivilization Ventures Management, LlcInBC Investment Corp.JDRF T1D FundPage One VenturesPallasite Ventures+6 more

Astranisastranis.comin𝕏

Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.

Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US

John Gedmark(Founder)inRyan McLinko(Founder)inMike Mancini(Executive Officer)

BoardMartin Casado(Director)inEthan Batraski(Director)inDan Berkenstock(Director)

Co-investorsAndreessen HorowitzATEL VenturesBlack FlagBoxGroupCantos VenturesCherubic Ventures+86 more

Atia Visionatiavision.comin

Atia Vision develops OmniVu, a modular shape-changing dual-optic intraocular lens (IOL) that uses the eye's natural accommodative mechanism to restore near, intermediate, and distance vision for cataract patients.

BiotechHardwareHealthtechMedical DevicesCampbell, US

Henry Chen(Director)Claudio Argento(Director)Mariam Maghribi(Executive Officer, Director)Amr Salahieh(Director)Casey Gordon(Director)

Co-investorsAmed VenturesThe Capital PartnershipDelos CapitalShangBay Capital LLC

Ayar Labsayarlabs.comin𝕏

Ayar Labs develops co-packaged optics (CPO) technology for AI infrastructure, enabling optical connectivity between thousands of GPUs across data center racks.

AI & Machine LearningDeep TechHardwareSemiconductorsSan Jose, US

Mark Wade(Founder)inAlex Wright-Gladstein(Founder)Chen Sun(Founder)Milos Popovic(Founder)Rajeev Ram(Founder)Vladimir Stojanovic(Founder)

Co-investorsNVIDIAAlumni VenturesBasecamp FundBerkeley FrontierBlue Bear VenturesCastor Ventures+24 more

Bioelectronicabioelectronica.comin

Bioelectronica develops hardware and software tools for accelerated antibody discovery using single-cell protein secretion sorting combined with AI-driven sequence analysis.

AI & Machine LearningBiotechDeep TechMedical DevicesReno, US

Co-investorsCo-Win Ventures

CareSkorecareskore.com𝕏

CareSkore offers an AI and machine learning platform for healthcare providers that aggregates and normalizes patient data to predict population health risks and generate regulatory reports such as PQRS, HEDIS, and MACRA.

AI & Machine LearningDigital HealthHealthtech

Co-investorsCota CapitalLiquid VenturesStorm Ventures

Castlecastle.ioin𝕏Seed · Jan 2019

Castle builds trust infrastructure for the modern internet, helping organizations detect and prevent fraud and account takeover attacks.

CybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Johan Brissmyr(Founder)inSebastian Wallin(Founder)inMax Nussenbaum(Founder)inScott Lowe(Founder)inTim Dingman(Founder)in

BoardShardul Shahin

Co-investorsFirst Round CapitalIndex VenturesY CombinatorF-Prime CapitalFundersClubWalking Ventures+8 more

Clouderacloudera.comin𝕏Acquired

Cloudera is a hybrid platform for data, analytics, and AI, serving enterprises and data teams.

AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareSanta Clara, US

Amr Awadallah(Founder)inMike Olson(Founder)inChristophe Bisciglia(Founder)inJeff Hammerbacher(Founder)inOwen O'Malley(Founding team member (early Hadoop architect))inCharles Sansbury(Chief Executive Officer)in

Co-investorsAccelCanas CapitalDag VenturesGlynn Capital ManagementGreylock PartnersGV (Google Ventures)+13 more

CoinListcoinlist.coin𝕏

CoinList operates a platform for token sales, pre-IPO stocks, equities, and funds, serving as infrastructure for financial markets and payments onchain.

Crypto & Web3Data & InfrastructureFintech

Brian Tubergen(Founder)inJoshua Slayton(Founder)in

Co-investorsAccompliceAgman PartnersBlockchain CapitalBlockchain CoinvestorsCoinFundCollab+Currency+19 more

Connected Dataconnecteddatacompany.com

The Connected Data Company connects businesses to a network of external data partners, then optimises and activates that data for insights, decision-making, and debt collection optimisation.

AI & Machine LearningData & InfrastructureFintechSanta Clara, US

Geoff Barrall(Executive Officer, Director)

BoardBrad O'Neill(Director)Christopher Woods(Director)

Co-investorsAurelia VenturesMaven Capital Partners

Dapper Labsdapperlabs.comin𝕏

Dapper Labs is a venture studio building products and communities at the intersection of culture and emerging technology, focused on digital ownership, data control, and decentralized platforms for creators and collectors.

ConsumerCreator EconomyCrypto & Web3Sector AgnosticVancouver

Roham Gharegozlou(Founder)inDieter Shirley(Founder)inMikhael Naayem(Founder)inJody Rebak(Executive Officer)inMik Naayem(Founder)

BoardDavid Pakman(Director)in

Co-investorsA.Capital Venturesa16z cryptoAndreessen HorowitzAppWorks VenturesBlockchain CoinvestorsBond Capital Management+43 more

Eridan Communicationseridancommunications.orgin

Eridan builds Software Defined Radios for Private 5G networks, using a proprietary Switch-Mode Direct Polar transmitter with Gallium Nitride power stages to deliver higher signal fidelity and lower power consumption than conventional radios.

AI & Machine LearningDeep TechHardwareIoTRoboticsSemiconductorsSunnyvale, US

Vivek Pathak(Executive Officer)inDouglas A Kirkpatrick(Executive Officer, Director)Amy Lamboley(Executive Officer)inSusan Kamin(Executive Officer)Paul Draxler(Executive Officer)inDoug Kirkpatrick(Founder)

Co-investorsDiamond Edge VenturesEvolution VC PartnersMonta Vista CapitalPage One VenturesSand Hill AngelsSilicon Catalyst+3 more

Exo Imagingexo.incin𝕏Aug 2019 · $35M

Exo is a company backed by leading venture capital and corporate investors focused on innovative technologies, with particular emphasis on healthcare, bioelectronic medicines, materials science, and deep technology solutions.

AI & Machine LearningBiotechDeep TechHealthtechMedical Devices

Yusuf Haque(Founder)in

Co-investorsBold Capital PartnersCreative VenturesPage One VenturesTDK VenturesIntel CapitalOSF Ventures+5 more

Fly.iofly.io𝕏

Fly.io provides infrastructure and platform services for deploying and running applications in a distributed, globally-connected environment.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareChicago, US

Michael Dwan(Founder)Jerome Gravel-Niquet(Founder)inKurt Mackey(Founder)inScott Johnston(Executive Officer, Director)Matthew Cunningham(Executive Officer)Thomas Ptacek(Founder)

Co-investorsAbstract VenturesAndreessen HorowitzDell Technologies CapitalElysium VenturesFrialeGeodesic Capital+15 more

Grobiogrobio.comin𝕏

GRObio (GRO Biosciences) develops protein therapeutics using non-standard amino acids (NSAAs) via its GRO platform, aiming to improve protein potency, stability, and function.

BiotechDeep TechHealthtechCambridge, US

Daniel J Mandell(Chief Executive Officer)Tracey Lodie(Executive Officer)inChristopher Gregg(Director)

BoardMing Fang(Director)Bruce Beutel(Director)Dan Becker(Director)

Co-investorsLeaps by BayerREDMILEAlumni VenturesDigitalis VenturesDreamers VCAccess Industries+3 more

Ledger Investingledgerinvesting.comin𝕏

Ledger is a brokerage and advisory firm specializing in casualty insurance-linked securities (ILS), connecting insurers and reinsurers with institutional capital providers.

FintechInsurTechUnited States, US

Samir Shah(Founder)inJulien Brissonneau(Founder)Aymeric Rabot(Founder)

BoardEric Emmons(Director)inVictor Westerlind(Director)

Co-investors10T FundAccelCrosscut VenturesDraper Goren BlockchainHemisphere Ventures LLCJude Gomila+17 more

Loop Genomicsloopgenomics.comin𝕏Seedacquired by Element Biosciences

Loop Genomics developed long-read sequencing technology that used synthetic long reads to enable full-length sequencing of DNA and RNA molecules on standard short-read sequencers.

AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesSan Francisco, US

Tuval Ben-Yehezkel(Founder)in

Co-investors11.2 CapitalFusionY CombinatorDN CapitalKhosla VenturesTSVC+1 more

Messarimessari.ioAcquired

Crypto data, research and disclosure platform covering 40,000+ assets; acquired by Blockworks in June 2026.

Ryan Selkis(Founder)inDan McArdle(Founder)Eric Turner(Founder)

Co-investorsAnthemis VentureBlockchain CapitalBlockchain CoinvestorsCoinbase VenturesFabric VenturesFenbushi Capital+18 more

Molecular Assembliesmolecularassemblies.comJul 2020

Molecular Assemblies uses a Fully Enzymatic Synthesis (FES) technology to produce long, pure, and accurate synthetic DNA oligonucleotides, up to 400 bases, without post-synthesis purification.

BiotechDeep TechNew MaterialsSan Diego, US

J. William Efcavitch, Ph.D.(Treasurer and Chief Scientific Officer)Michael J. Kamdar(President, Chief Executive Officer and Secretary)Bill Efcavitch(Founder)Curt Becker(Founder)

BoardDavid Hwang(Director)Larry Stambaugh(Chairman of the Board of Directors)

Co-investors11.2 CapitalDCVC (Data Collective)iSelect FundKeshif VenturesAlexandriaArgonautic Ventures+2 more

OneChronosonechronos.comin𝕏

OneChronos develops execution platforms for electronic trading using machine learning and mechanism design, serving institutional investors and traders.

AI & Machine LearningFintechMarketplacesNew York City, US

Stephen Johnson(Founder)inKelly Littlepage(Founder)inRichard Suth(Co-founder)in

Co-investorsAmino CapitalBoxGroupDCVC (Data Collective)Newbury VenturesPage One VenturesY Combinator+3 more

Pathmindpathmind.comin𝕏SeedDefunct

Pathmind applies deep reinforcement learning to industrial simulations and digital twins, helping engineers optimize operations and supply chains with performance gains, and then implements these optimized policies in live systems.

Developer ToolsEnterprise SoftwareSan Francisco, US

Co-investorsHemi Ventures, LlcY CombinatorAgrolimen VenturesBuckley Ventures Management Company LlcExponent CapitalFundersClub+16 more

Pivo Technology Incpivo.africain𝕏SeedDefunct

Pivo provides bank accounts, debit cards, and digital invoicing tools to truck owners and drivers in Africa, with plans to expand into credit and expense management products.

FintechLagos, NG

Ijeoma Akwiwu(Founder)inIjeoma Akwiwu Nkiru Amadi-Emina(Founder)Ijeoma Jacquelyn(Founder)Nkiru Amadi-Emina(Founder)

Co-investorsFirstCheck AfricaRising Tide Africa (RTA)Sprint VcVentures PlatformVestedWorldY Combinator+13 more

Precision NanoSystems Inc.precisionnanosystems.comMay 2018

Develops tools to formulate and manufacture nanoparticles used as medicines; acquired by Danaher in 2021.

BiotechVancouver

Andrew Booth(Director)R. James Taylor(Executive Officer, Director)Joe Victor(Executive Officer, Director)Euan Ramsay(Executive Officer)Daniel Nixon(Director)

BoardAndrew J. Schwab(Director)in

Co-investorsBDC Industrial Innovation Venture FundInnovative Solutions CanadaPage One VenturesTelegraph Hill Partners5AM Ventures

Puracath Medicalpuracath.comJun 2020

PuraCath Medical develops disinfection technology for catheter connections designed to reduce infection risk in healthcare settings.

BiotechHealthtechMedical DevicesSilicon Valley, US

Julia Rasooly(CEO)in

Co-investorsCota CapitalGeekdomStartXTransPacific Venture Partners

Quanergyquanergy.comin𝕏

Quanergy develops 3D LiDAR sensing systems and perception software for physical security, smart cities, and industrial automation.

AI & Machine LearningCybersecurityDeep TechHardwareIoTSunnyvale, US

Tianyue Yu(Executive Officer, Director, Promoter)inLouay Eldada(Executive Officer, Director, Promoter)inEnzo Signore(CEO & Co-Founder)inAlexander Turkot(Board Member, Director, and Co-Founder)in

BoardTamer Hassanein(Director)inSteven Beringhause(Director)

Co-investorsAllied Venture PartnersCanas CapitalG SquaredJacket River Capital PartnersManhattan Venture PartnersRed Sails Investment+5 more

Quilt Dataquiltdata.comin𝕏

Quilt provides a data platform for life sciences teams to organize, manage, and collaborate on scientific data stored in AWS.

AI & Machine LearningBiotechData & InfrastructureDeveloper ToolsEnterprise SoftwareHealthtechSan Francisco, US

Kevin Moore(Founder)inAneesh Karve(Founder)

Co-investorsAlumni VenturesJude GomilaOlima VenturesStreamlined VenturesVertex VenturesY Combinator+12 more

Senso.aisenso.aiin𝕏

Senso builds infrastructure that acts as a verified-context layer for AI agents, enabling organizations to ensure that AI answers align with their actual ground truth.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechToronto, CA

Saroop Bharwani(Founder)inThomas Nelson(Founder)in

Co-investorsLuge CapitalMaiora Rebel VenturesMendoza VenturesNEXT AITechstarsY Combinator+7 more

Sixasixa.ioDefunct

Sixa provides a cloud-based computer accessed through a client application, allowing users to run software on remote infrastructure rather than local hardware.

Developer ToolsEnterprise SoftwareSan Francisco, US

Co-investorsAVentures CapitalGagarin Capital PartnersRanch VenturesTaver CapitalY CombinatorAgrolimen Ventures+10 more

Skymindskymind.globalSep 2016 · $3M

San Francisco, US

Christian Nicholson(Executive Officer, Director)Adam Gibson(Executive Officer, Director)

Co-investorsFundersClubPi CampusGovtech FundGreatPoint VenturesHemi Ventures, LlcLiquid Ventures+10 more

Solarea Biosolareabio.comin

Solarea Bio develops plant-sourced living synbiotics (probiotics plus prebiotics) as medical foods targeting inflammatory conditions, starting with bone loss in women with osteopenia.

BiotechHealthtechWellness & FitnessWaltham, US

ILISSA LARIMORE(Executive Officer)inGERARDO TOLEDO(Executive Officer, Director)ERIC SCHOTT(Executive Officer)

BoardANULA JAYASURIYA(Director)inMATTHEW WALKER(Director)inNEAL BHADKAMKAR(Director)in

Co-investorsJoyance PartnersOlive Tree CapitalBold Capital PartnersDigitalDx VenturesGISEV Family OfficeS2G Investments+2 more

Stakedstaked.usacquired by Kraken

Staked provides a staking dashboard for reporting and running Ethereum validators, now integrated into Kraken's staking platform.

Crypto & Web3

Co-investorsBlockchain CoinvestorsBollinger Investment GroupDigital Currency GroupDreamers VCFabric VenturesGlobal Brain+7 more

Statflostatflo.comin𝕏Apr 2025 · $2.4M

Statflo provides a business texting platform that enables brands to conduct one-to-one customer conversations at scale.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSales TechToronto, CA

Co-investorsElsewhere PartnersExtreme Venture PartnersExtreme Venture Partners LLPGarage CapitalLaurier Startup FundRound13 Capital+2 more

Tae Life Sciencestaelifesciences.com

Developing a breakthrough cellular targeted particle therapy based on BNCT

Co-investorsArtis Ventures

Teampayteampay.coin𝕏

Teampay (by Paystand) is an expense management and spend control platform for finance teams that automates expense submission, approval routing, receipt capture, and accounting coding through integrations with ERP systems like NetSuite and Dynamics 365.

Enterprise SoftwareFintechSaaSCalifornia, US

Andrew Hoag(Founder)in

Co-investorsAlumni VenturesCrosscut VenturesEvolution VC PartnersR136 VenturesSand Hill AngelsTrestle Partners+2 more

Tribaltribal.credit

Financial services and credit lines for startups and SMEs with blockchain-based cross-border payments.

Huntsville, US

Rachael Marie Jackson(Executive Officer, Director)Richard Holloway(Director)Robert Thurber(Director)Lee Dannelly(Executive Officer, Director)David Kingsbury(Executive Officer, Director)Daniel Windham(Director)

Co-investorsAGE CryptoCircle VenturesCOTU VenturesDigital Currency GroupBECO CapitalGlobal Ventures+1 more

Trust Machinestrustmachines.coin𝕏

Trust Machines develops applications built on the Bitcoin network to expand the utility and value of Bitcoin.

Crypto & Web3

Co-investorsDigital Currency GroupHivemind Capital PartnersU First Capital

Twelvetwelve.coin𝕏

Twelve transforms CO2 into chemicals, fuels, and materials through carbon transformation technology.

Advanced ManufacturingCleantechClimate TechHealthtechNew MaterialsMoses Lake, US

Nicholas Flanders(Founder)inEtosha Cave(Founder)inKendra Kuhl(Founder)inAndrew Cleeland(Executive Officer, Director)in

BoardMarc-Henri Galletti(Director)Nimesh Shah(Director)

Co-investorsBreakout VenturesDCVC (Data Collective)Dolby Family VenturesFifth WallAdvantage Partners Inc.Aera VC+36 more

Unnatural Productsunnaturalproducts.comin𝕏Sep 2019

Unnatural Products is a drug discovery platform company that develops synthetic macrocycles to target previously undruggable disease targets.

AI & Machine LearningBiotechDeep TechMedical DevicesSanta Cruz, US

Cameron Pye(Co-Founder & CEO)inJoshua Schwochert(Co-Founder & CSO)in

BoardVasudev Bailey(Director)in

Co-investorsAbstract VenturesArtis VenturesAsset Management CompanyBetter Ventures Central LlcBlue Bear VenturesColorcon Ventures+8 more

Voiceavoicea.comAcquired

Creator of EVA, an Enterprise Voice Assistant that enhances meeting productivity through AI and speech recognition.

Co-investorsCisco InvestmentsDubai Angel InvestorsFelicis VenturesGreycroftGV (Google Ventures)Mindset Venture+1 more

Volta Labs, Inc.voltalabs.comin𝕏Seed · Jan 2022

Volta develops a hardware and software platform for genomics sample preparation that automates the extraction of biological information.

AI & Machine LearningBiotechDeep TechHardwareHealthtechMedical DevicesRoboticsBoston, US

Udayan Umapathi(Founder)in

BoardNatan Linder(Director)inDavid Singer(Director)Maxim Lobovsky(Director)

Co-investorsBlindspot Ventures Management CoMana VenturesSoma CapitalThe E14 FundY CombinatorAcequia Capital (AceCap)+6 more

Womplywomply.comin

Womply built software for small businesses including CRM, marketing, and reputation management tools; it later processed Paycheck Protection Program applications for sole proprietors and 1099 workers through a technology platform provided to SBA-approved lenders.

Data & InfrastructureFintechMedia & EntertainmentSaaSSan Francisco, US

Toby Scammell(Founder)inJeremy RichardsonCory C.(Founder)in

Co-investors500 GlobalAsset Management CompanyEnspire CapitalMerus CapitalSageview CapitalStreamlined Ventures+1 more

YesGraphyesgraph.comAcquired

YesGraph uses machine learning to analyze social connections and suggest which contacts users should invite to an app or website, helping applications improve referral and invite conversion rates.

Enterprise SoftwareMarketing TechSan Francisco, US

Ivan Kirigin(Founder)in

Co-investorsFelicis VenturesY CombinatorAccelAndreessen HorowitzBloomberg BetaCC11 LLC+5 more

Other

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

AmberdataAyarBashBraveClanHQDatatronDelivery AgentDownstreamEnableEoniteEvonetixExoFinaeoFuelHiroImmersvInvisible LabsKelzalKrakenMetawaveNXM LabsPactParadeParlioRbcReachServiceSkullySmart CSMSourceeasyThe OceanWelink

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.