/Investor DB

S3 Ventures — 2025 Investments

15 investments dated 2025 · listed companies and verified rows first · show all

QbDVisionqbdvision.comin𝕏Apr 2025 · $15M✓ verified

QbDVision provides a software platform designed to address digital transformation challenges in pharmaceutical and biotech manufacturing, helping companies manage compliance, quality, and process development.

BiotechCloud ComputingEnterprise SoftwareHealthtechSaaSAustin, US

Yash Sabharwal(President, CEO, Co-Founder)inRyan Shillington(CTO, CISO, Co-Founder)in

Board seatEric Engineer· per SEC Form D

Co-investorsNorthpond VenturesCartmell VenturesCREATE HEALTH VENTURES

Liquibaseliquibase.cominMar 2025 · $10M✓ verified

Liquibase provides a platform for governing and automating database change management across pipelines, platforms, and teams, integrating with tools like ServiceNow, GitHub, Harness, and Terraform.

Data & InfrastructureDeveloper ToolsEnterprise Software

Robert(Co-founder)Pete(Co-founder)Nathan(Founder (Liquibase open-source project))Patti(Chief Executive Officer)Ryan(Chief Customer Officer / Customer Success)Steve Surace(Vice President of Engineering)in

Co-investorsMercury Fund

Vahaticorvahaticor.cominSeries B · Nov 2025 · $23M✓ verified

VahatiCor is developing the A-FLUX Reducer System, an interventional device to treat coronary microvascular dysfunction, a condition affecting millions of patients—particularly women—who experience chest pain and cardiac symptoms despite normal standard angiography results.

HardwareHealthtechMedical DevicesSanta Clara, US

Marwan Berrada(Founder and Chairman)inHarry Rowland(CEO)inKevin Van Bladel(Chief Technology Officer)inMark Niggli(Chief Commercial Officer)inMarwan Berrada-Sounni(Executive Officer, Director)in

BoardBrian R. Smith(Director)in

Co-investorsIntuitive Ventures

Kamiwazakamiwaza.aiinJan 2025

Kamiwaza offers a distributed AI orchestration platform that processes data where it resides, allowing enterprises to deploy AI without centralizing data or compromising security.

AI & Machine LearningData & InfrastructureEnterprise SoftwareGovTechSilverthorne, US

Matthew Wallace(Executive Officer, Director)inLuke Matthew Norris(Executive Officer, Director)

Board seatEric Engineer· per SEC Form D

Co-investorsAscend Venture CapitalCitta CapitalFirstMile VenturesGreater Colorado Venture FundPioneer Square LabsAscend+2 more

Alleviant Medical Incalleviantmedical.comin𝕏Feb 2025 · $74M

Alleviant Medical develops an investigational minimally invasive medical device using interatrial shunt therapy to treat heart failure patients, currently in FDA-approved clinical trials (ALLAY-HF and ALLAY-HFrEF).

BiotechHealthtechMedical DevicesAustin, US

Adam Berman(Executive Officer, Director)inJacob Kriegel(Executive Officer, Director)Avni Patel(Executive Officer, Director)Christopher Alex Arevalos(Executive Officer, Director)Albertien Greijdanus(Executive Officer, Director)

BoardGeoff Pardo(Director)in

Co-investorsBroadview VenturesRiverVest Venture PartnersTMC Venture FundCadence Healthcare VenturesGilde HealthcareGilmartin Capital LLC+2 more

Endovascular Engineeringendovascularengineering.cominSeries B · Feb 2025 · $42M

Endovascular Engineering develops clot removal technologies targeting venous thromboembolism.

Medical Devices

Co-investors415 CapitalNorwest Venture PartnersGilde HealthcarePanakes Partners

Folia Healthfoliahealth.comin𝕏Oct 2025 · $10.5M

Folia Health is a digital health platform that enables patients and caregivers to track symptoms, treatments, and health outcomes through personalized surveys, generating home-reported outcomes data used by life sciences companies and researchers to understand real-world treatment impacts.

Data & InfrastructureDigital HealthEnterprise SoftwareHealthtechSaaSMassachusetts, US

Nell Meosky Luo(Founder)inDan Toffling(Co-Founder & CTO)inRavi Bhatt(Founder)inPaul T. Meosky(Executive Officer, Director)

Co-investorsBantam GroupCorrelation VenturesCrosslink CapitalElevate VenturesIU VenturesJoyance Partners+12 more

Hydrolixc212.netApr 2025 · $80M

Cision is a global media intelligence company that helps organizations identify and connect with journalists, influencers and online authors, distribute public relations and marketing communications, and measure their impact.

Marketing TechMedia & EntertainmentSaaSChicago, US

Co-investorsA-Rod CorpAllCloudAltitude AcceleratorAmpersandBlumberg CapitalBoulder Ventures+24 more

Mavvrikmavvrik.aiSeed · Feb 2025 · $6M

Mavvrik provides a platform for real-time financial control and cost management across cloud, on-premise, and AI spending.

AI & Machine LearningCloud ComputingEnterprise SoftwareSaaSAustin, US

Darmawan Suwirya(Founder)in

Co-investorsAmplify.LAFlyover CapitalKnoll VenturesTech Square VenturesTuesday Capital

Nestimatemynestimate.cominSeed · Aug 2025 · $3M

Nestimate offers a software analytics platform that helps retirement plan fiduciaries select, implement, and monitor guaranteed lifetime income solutions within 401k and defined contribution plans.

FintechInsurTechSaaSLincoln, US

Kelby Meyers(Executive Officer, Director)

BoardBrock Smith(Director)

Co-investorsAltari VenturesInvest NebraskaPruVen Capital Partners

Opinetryopine.comin𝕏Seed · Dec 2025 · $5M

Opine builds AI agents that consolidate scattered deal context and product knowledge into real-time deal intelligence for technical sales teams.

AI & Machine LearningSaaSSales TechDurham, US

Akash Ganapathi(Founder)inCharlie Duong(Executive Officer, Director)Austin Kelleher(Executive Officer, Director)

Co-investors100Km Ventures LlcGray VenturesKnoll VenturesPrimordial VenturesPropel Venture PartnersPrimordial

Suite Studiossuitestudios.ioin𝕏May 2025

Suite Studios offers a file streaming product that lets teams access and work with cloud-stored files in real time without pre-downloading or syncing, with cloud storage that mounts like a local SSD.

Cloud ComputingCreator EconomyMedia & EntertainmentSaaSBoulder, US

Craig Hering(CEO & Co-Founder)inMichael Hering(Founder)inJay Maxwell(CPO & Co-Founder)inJames D. Maxwell(Executive Officer, Promoter)Hoppy Maffione(Chief Operating Officer)inBrett Queener(Director)in

Co-investorsBonfire VenturesRange VCGrotech VenturesMassiveThe Fund

Versaversa.orgin𝕏Dec 2025 · $27.3M

Versa provides a receipt capture and reconciliation platform for corporate travel and expense management.

Enterprise SoftwareFintechSaaSNew York City, US

Ted Power(Founder)inThomas Moore(Founder)in

Co-investorsCollaborative FundSoma CapitalY CombinatorAndreessen HorowitzCharacterKleiner Perkins+4 more

Versa Vascularversavascular.cominDec 2025 · $27.3M

Versa Vascular is developing a tricuspid valve repair device with a delivery system designed for precise, repositionable implant placement.

HealthtechMedical DevicesSanta Cruz, US

Co-investorsCorewell Health VenturesSanta Cruz VentureView VenturesBioStar CapitalCadence Healthcare Ventures

Other

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

VentureMed Group

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.