Z21 Ventures
Venture capitalActively deployingSan Francisco Bay Area · Pre-Seed–Series A · 11 people tracked
Also known as Z21 Ventures HEN Nozzles Dec 2024 · Z21 Ventures HEN Nozzles July 2025 · z21 Ventures ID Cafe March 2025
Investment thesis
Z21 Ventures positions its 205+ member community of operators, investors, and advisors as a core value proposition, offering portfolio companies hands-on support beyond capital. The community engages with every portfolio company across the lifecycle — from sourcing through scaling — helping with areas such as go-to-market strategy and growth acceleration, and leveraging extensive industry connections. Testimonials reference expertise in healthcare and enterprise software, indicating relevant sector strengths. The firm emphasizes opening doors and providing an 'unfair advantage from day one' rather than acting solely as a source of funding.
Source: firm website, verified Aug 3, 2026.
Team · 11 people
from the firm's website & public directoriesFounder mafia
2 people who came through Z21 Ventures went on to found or lead other companies.
What they invest in
from 12 of 50 portfolio companiesAI & Machine Learning ×9SaaS ×5Cloud Computing ×3Deep Tech ×3Developer Tools ×2Enterprise Software ×2Hardware ×2Healthtech ×2
HQs:United States×6
Investments · 50 tracked
founders shown can be your intro pathBy year:2026 · 12025 · 32023 · 15 dated
HEN Technologies builds an integrated fire defense platform combining re-engineered suppression hardware (nozzles, monitors, pump controls), a data layer, and real-time AI incident-command software (FLUID-IQ and STAR-IQ).
AI & Machine LearningDefense TechGovTechHardwareSaaS
Sunny Sethi(Founder)in
Co-investorsNivesha Ventures
Adaption Labs builds adaptive AI systems that continually learn and adjust to specific industries, languages, and use cases, positioning itself against large monolithic, one-size-fits-all models.
AI & Machine LearningDeep Tech
Co-investorsAlpha Intelligence CapitalEmergence Capital PartnersFifty YearsMozilla VenturesThe E14 FundThreshold Ventures
BabbleBots AI provides a modular AI recruitment pipeline that interviews, screens, and ranks candidates, then shortlists the best fits for human recruiters to close.
AI & Machine LearningHR TechSaaS
Conifer provides a routing system that runs large language models locally on user machines first, then intelligently routes queries to cloud models only when needed, reducing token costs and improving inference speed through optimized GPU kernels.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US
Michael Jeffords(Founder)inCharles Muehlberger(Founder)in
Co-investorsPerceptive Ventures Management Company, LlcY CombinatorMFV PartnersTrue Ventures
Conifer designs and manufactures powertrains and motors for drones, robots, data centers, and mobility applications using proprietary axial-flux architecture that reduces material costs and increases performance.
Advanced ManufacturingDeep TechHardware
Ankit Somani(Founder)in
Co-investorsMaC Venture CapitalMFV PartnersTrue VenturesVoyager Partners
CoverSelf offers a healthcare payment integrity platform that helps payers detect and prevent claims inaccuracies and payment leakage while reducing administrative costs.
FintechHealthtechSaaSSan Francisco, US
Rajasekhar Maddireddy(Executive Officer, Director, Promoter)Raghavendra Pawar(Executive Officer, Director, Promoter)
Co-investorsSaison Capital3one4 CapitalBEENEXT
Gloroots is an Employer of Record platform that lets companies hire, onboard, pay, and manage full-time employees or contractors across 150+ countries without setting up local entities.
Future of WorkHR TechSaaS
Co-investorsFoster VenturesUpsparks Capital
hosted·ai is a turnkey platform for GPU orchestration, monetization and neocloud operations, using software-defined GPU multi-tenancy, overcommit and elastic GPUaaS to raise GPU utilization and margin.
AI & Machine LearningCloud ComputingData & InfrastructureSan Jose, US
Ditlev Bredahl(Executive Officer, Director)Narendar (Naren) S(Founder)Ditlev B.inNarendar Shankar(Executive Officer, Director)
BoardCarl Fritjofsson(Director)inJames Withall(Director)
Co-investorsCreandumGolden Sparrow Ventures, LlcPeople Ventures
Lighthouz AI provides AI-powered back-office automation for freight brokers, automating freight bill audits, accounts receivable, and collections.
AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainSaaSAtlanta, US
Srijan Kumar(CEO & Co-founder)inSonali Pattnaik(COO & Co-founder)in
Co-investorsY Combinator
Myolab develops MyoSapiens, an embodied AI system designed to understand and learn from human full-body movements, behaviors, and interactions by combining embodied behavior data with environmental context and world knowledge.
AI & Machine LearningDeep TechRobotics
Co-investorsAllianz Life VenturesGolden Sparrow Ventures, Llc
Risa Labs provides automated prior authorization and revenue-cycle workflows for oncology practices, handling Part B and Part D drug authorizations, eligibility and benefit verification, claims status tracking, and denial management.
AI & Machine LearningDigital HealthHealthtech
Co-investorsBetter CapitalCencora VenturesOncology VenturesOptum VenturesGeneral Catalyst
TrueFoundry provides a unified platform for deploying, governing, scaling, and tracing agentic AI and LLM workloads, including an AI gateway, model hosting, fine-tuning, and observability.
AI & Machine LearningCloud ComputingDeveloper ToolsSan Francisco, US
Nikunj Bajaj(Founder)inAbhishek Choudhary(Founder)in
Co-investorsEniac VenturesIntel CapitalMyAsiaVCPeak XV PartnersTrajectory Ventures
Portfolio news
latest coverage across their companiesNaïve · techcrunch.com · Aug 10, 2026
Conifer · ycombinator.com · Jul 15, 2026
Conifer · altassets.net · Jun 17, 2026
Gloroots · trysignalbase.com · Mar 25, 2026
Risa Labs · biospace.com · Jan 14, 2026
Lighthouz AI · ycombinator.com · Dec 22, 2025
Frequently asked questions
- How many investments has Z21 Ventures made?
- Z21 Ventures has 48 tracked investments, including 2 dated in the last 24 months.
- What stage does Z21 Ventures invest at?
- Z21 Ventures invests at the Pre-Seed, Seed, Series A stages.
- What is Z21 Ventures's typical check size?
- Z21 Ventures typically writes checks of $500K – $1M.
- What sectors does Z21 Ventures focus on?
- Z21 Ventures focuses on AI & Machine Learning, Consumer, Data & Infrastructure, Deep Tech, Enterprise Software, Healthtech, SaaS.
- Where is Z21 Ventures located?
- Z21 Ventures is headquartered in San Francisco Bay Area, US.
- Does Z21 Ventures lead rounds?
- Z21 Ventures typically participates in rounds rather than leading them.
- Who does Z21 Ventures co-invest with?
- Z21 Ventures most often shares deals with Golden Sparrow Ventures, Llc, Emergence Capital Partners, Intel Capital, among 23 tracked co-investors.
Images
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