Fusion Fund IV

United States
Seed
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About Fusion Fund IV

Fusion Fund IV is a venture capital firm based in United States, focusing on Seed stage investments. The fund actively supports founders building innovative solutions in AI/ML, Deep Tech, SaaS, providing strategic guidance and capital to help startups scale.

Investment Focus

Location / RegionUnited States
Funding StageSeed
Industry Focus
Ai Ml
Deep Tech
Saas

Investor Signals Profile

active

Sweet Spot

Technical founder solving physical AI deployment, manufacturing, pre-Seed–A

enterprise AI
healthcare tech
industrial technology
AI infrastructure
deep tech / data advantage
robotics / embodied AI
physical AI deployment
parametric insurance
real-time sensor data

Bullish Signals

Portfolio co. in agentic AI compliance spaceexternal
Backing enterprise-ready AI infra startupsexternal
Portfolio cos raised $130M, $95M, $277M roundsexternal
44-member CXO network from Global 1000external
Multiple Fund III cos on CB Insights Gen AI 50external
GrubMarket unicorn ($2B+) in portfolioexternal
GP tracks robotics data flywheel thesis closelylinkedin
Active signal: embodied AI / robotics interestlinkedin
Amplifying AI infra container security startupslinkedin
Reposted vNode: container security for AI infralinkedin
Signal: GPU/bare metal zero-day protection interestlinkedin
Sancho seed co-lead: autonomous mobile manipulatorslinkedin
Physical AI deployment layer solving manufacturing last-milelinkedin
Next wave: real-world data moat, not just modelslinkedin
Orchestration infrastructure reshaping flexible manufacturinglinkedin
Safehub: parametric insurance triggered by sensor networkslinkedin
Real-time data enabling 21-day earthquake payout vs monthslinkedin
Sensor-driven parametric insurance proof-of-concept deployedlinkedin

Contrarian Signals

Narrow sector focus: healthcare/enterprise/industrial onlyexternal
US/Canada only — no global mandateexternal
Moat view: data > architecture (anti-hype stance)linkedin

Founder Do's

Have technical or data moat
Domain expertise in healthcare/enterprise/industrial
Building in US or Canada
Pre-Seed to Series A stage
Former operator or technical founder
Solve real last-mile deployment problems
Leverage real-time sensor networks for insight

Founder Don'ts

No technical differentiation
Consumer-focused, not enterprise
Outside US/Canada
Models-only without deployment infrastructure

Key GPs & Partners

CX
Charlotte Xia
Partner
deep techroboticsAI researcher
LZ
Lu Zhang
Partner
physical AIroboticsmanufacturing

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Fund Overview

Fund Size$190M
Saves0

Key People

Lu Zhang, Shane Wall, David Gerster

Charlotte XiaPartner
Lu ZhangPartner

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