/Investor DB

S3 Ventures — 2026 Investments

15 investments dated 2026 · listed companies and verified rows first · show all

MontyCloudmontycloud.comin𝕏Jan 2026 · $2M

MontyCloud is a no-code, autonomous CloudOps platform that helps IT teams optimize and operate cloud services using intelligent automation and AI.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareRedmond, US

Venkat Krishnamachari(Founder)inKannan Parthasarthy(Founder)Rajkumar Sivarajan(Executive Officer)Walter A. Rogers(Executive Officer, Director)inVENKATESWARAN HARIHARA SUBRAMANIAN(Executive Officer)

BoardSteve Berg(Director)in

Board seatEric Engineer· per SEC Form D

Co-investors1809 CapitalAlumni VenturesLytical VenturesMadrona Venture GroupRaptor GroupRiverside Acceleration Capital

Avtalavtal.comSeed · Mar 2026 · $24M

Avtal develops digital-first debt collection software for third-party collection agencies, combining automated digital engagement (email, text, self-serve payments) with traditional call center and compliance capabilities.

Enterprise SoftwareFintechSaaS

Joe Gelbard(Founder and President)Khaled Bitar(CEO)John McNamara(Chief Growth Officer)Roger Lai(Chief Customer Officer)Chad Oliver(CTO)

Boomboompay.appinAug 2026

Boom operates a leasing platform connecting property managers and renters through the full leasing process, from inquiry to approved resident.

FintechPropTechSaaSAustin, US

Rob Whiting(Co-founder & CEO)in

Co-investorsBungalow CapitalClocktower VenturesFox VenturesGaingelsMana VenturesMischief+6 more

Buzz Solutionsbuzzsolutions.coin𝕏Series A · Aug 2026 · $20M

Buzz Solutions provides visual AI software that analyzes drone and camera inspection imagery to automate asset monitoring and anomaly detection across energy infrastructure including transmission lines, distribution networks, substations, and solar installations.

AI & Machine LearningEnergyEnterprise SoftwarePalo Alto, US

KAITLYN ALBERTOLI(Executive Officer, Director, Promoter)inVikhyat Chaudhry(Founder)inMuzammil Khalil(Founder)inJAGJOT SINGH(Director)MARK LOCH(Director)inDAVID ZUSMAN(Director)

Co-investorsAzure Ventures GroupBlackhorn VenturesHearstLabMaC Venture CapitalNVIDIAStartX+2 more

Cloverleaf AIcloverleaf.aiinJan 2026

Cloverleaf AI provides a B2G sales intelligence platform that monitors government agencies and surfaces insights from public meetings to help sales teams identify deal opportunities before RFPs are issued.

AI & Machine LearningEnterprise SoftwareGovTechSales TechDenver, US

Adam Zucker(Founder)in

Co-investorsFirstMile VenturesJackson Square VenturesJHH vcLegalTechService Provider CapitalTAWANI Ventures+1 more

Databahnsurgsecure.cominAug 2026 · $40M

SurgSecure is a cybersecurity services firm that provides security assessments, technology integration, and management of scalable security solutions across data, applications, cloud, identity, network, and endpoints.

CybersecurityEnterprise Software

Co-investorsSprout OakGTM CapitalInsight Partners

DataBahndatabahn.aiinJul 2026 · $40M

DataBahn builds a data pipeline platform that handles ingestion, enrichment, governance, and AI readiness of data for enterprise security teams.

AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareDallas, US

Nanda Santhana(CEO and Cofounder)inNithyalakshmi Nareshkumar(Chief Operating Officer)Nithya Nareshkumar(President and Cofounder)

BoardErnie Bio(Director)in

PartnerAaron Perman· led

Co-investorsForgePoint CapitalGTM CapitalSprout OakInsight Partners

MaxQ MedicalinAug 2026 · $31.5M

Advanced ManufacturingSunnyvale, US

John N. Irwin III(Executive Officer)Paul Khuri-Yakub(Executive Officer)Amir Tehrani(Executive Officer, Director)

BoardPriscilla Babb(Director)Andre Khoury-Yacoub(Director)Pierre Khuri-Yakub(Director)

Co-investorsOlympus Innovation Ventures

Quantumquantums.com.sain𝕏Sep 2026

Quantum operates an omnichannel advertising technology platform that connects online and offline retail media, letting retailers, brands, and agencies trade and exchange media across the commerce ecosystem.

AdTechData & InfrastructureMarketing TechMedia & EntertainmentRetail Tech

Omar MalaikahinSara Bin Ladin

Co-investors500 GlobalTech Invest ComDCVC (Data Collective)InkefLansdowne PartnersSpeciale Invest

Quantum Motionquantummotion.comSep 2026

Quantum Motion develops utility-scale quantum computers built on silicon-spin architecture, using standard silicon processing compatible with existing semiconductor foundries and designed to fit into data centres.

Deep TechQuantum ComputingSemiconductors

John Morton(Founder)Simon Benjamin(Founder)

Co-investorsMundi VenturesBosch VenturesBritish Business BankDCVC (Data Collective)InkefIP Group+2 more

RapidPulserapidpulsemed.comSeries B · Jul 2026 · $48M

RapidPulse Medical is an investor relations page showcasing multiple healthcare-focused investment firms and incubators that back medical device and healthcare technology companies.

BiotechDigital HealthHealthtechMedical Devices

Co-investorsBroadview VenturesEpidarex CapitalFlorida Opportunity FundHatteras Venture PartnersSante Ventures

Vendeluxvendelux.comAug 2026 · $50M

Vendelux runs an AI-based event intelligence platform that helps B2B teams pick events, book meetings and attribute pipeline.

Long Island City, US

Alex Reynolds(Co-Founder, CEO)inStefan Deeran(Co-Founder, COO)inRichard Stefan Deeran(Director)

Co-investorsAlumni VenturesCervinCorrelation VenturesEarl Grey CapitalFirstMark CapitalFuture Back Ventures+8 more

Other

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

Earlytrade US Holdings Corp.Engaged Citizen Inc.Schematic

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.