Fusion Fund IV

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, enterprise AI, healthcare or industrial, pre-Seed–A

enterprise AI

healthcare tech

industrial technology

AI infrastructure

deep tech / data advantage

robotics / embodied AI

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

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

Founder Don'ts

No technical differentiation

Consumer-focused, not enterprise

Outside US/Canada

Key GPs & Partners

Charlotte Xia

Partner

deep techroboticsAI researcher

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Fund Overview

Fund Size$190M

Saves0

Website

Key People

Lu Zhang, Shane Wall, David Gerster

Charlotte XiaPartner