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 directoriesWhat they invest in
from 6 of 48 portfolio companiesAI & Machine Learning ×5SaaS ×3Cloud Computing ×2Data & Infrastructure ×1Deep Tech ×1Defense Tech ×1Developer Tools ×1Enterprise Software ×1
HQs:United States×4
Investments · 48 tracked
founders shown can be your intro pathHEN 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)
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)
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 Shankar(Executive Officer, Director)
BoardCarl Fritjofsson(Director)James Withall(Director)Claus Zibrandtsen(Director)
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
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
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 Tools
Portfolio news
latest coverage across their companiesNaïve · techcrunch.com · Aug 10, 2026
Lighthouz AI · ycombinator.com · Dec 22, 2025
Frequently asked questions
- 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.
Images
Similar investors
Khosla Ventures is a venture capital firm known for backing bold, contrarian bets in world-class teams that can reshape entire industries.
SeaX Ventures is a globally focused venture capital fund backing early-stage companies developing exponential and deep-tech technologies, with a strategic emphasis on bridging the U.S. and Southeast Asia.
Chinese venture capital firm (Hua Chuang Capital / CGC) investing since 2014, with a focus on technology and software companies. It offers both venture capital and venture lending along with value-add support.
Cove Fund is a seed-stage venture capital fund providing startup funding to early-stage technology and life science companies in Southern California.
DeVC is a decentralized venture capital firm that backs early-stage founders with capital, mentorship, and network access via a collective of experienced founders, operators, and industry experts.










