Investor profile for Fusion Fund: stage-based planning range, investment stages, sector focus, portfolio companies, sources, and verification status. Part of the Venture Capital Tracker directory.
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Fusion Fund stages, portfolio and investment profile

Lu Zhang's Palo Alto firm backing early-stage deep-tech, healthcare, and enterprise AI companies with technical or data moats. Deploying from Fund IV ($190M, closed March 2025).

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Stage-based planning range

$1M–$10M

This is a planning range inferred from stage coverage, not a firm-disclosed check size.

Methodology: Stage bucket inferred from the rounds a fund leads or invests in.

No firm-specific check-size disclosure is recorded.

Source link not recorded Confidence: 25% Verified: Not recorded View methodology

Investment stages

Leads: Seed, Series A

Participates: Seed, Series A

Sector focus

Deep Tech · Healthtech · AI & Machine Learning

Geography

Palo Alto, CA

Founded 2015

Fund size / AUM

Not recorded

A separate fund-size evidence record is not yet available.

Portfolio in our directory

None yet

Linked startup profiles

Latest fund vehicle

Not recorded

Vehicle name, size, and vintage are not yet structured.

Recent tracked investment

Not recorded

No dated round explicitly links this fund.

Rounds they lead

Seed Series A

Rounds they invest

Seed Series A

Last verified: Not recorded. Check-size evidence is labeled by basis so planning estimates are not presented as firm disclosures.

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FAQs about Fusion Fund

Stage fit, check size, thesis, and how founders typically approach this firm — based on public sources and our directory.

Fusion Fund focuses on early-stage companies, primarily Seed and Series A. The firm often acts as an early institutional investor and can lead or co-lead those rounds.
Fusion Fund has publicly described initial checks in roughly the $500K–$5M range at seed and Series A, with many investments around $1M–$3M. Our directory stage estimate for firms at this profile is $1M–$10M.
Fusion Fund is headquartered in Palo Alto, California. Public materials emphasize U.S. and Canada investments, with a Silicon Valley–anchored network.
Fusion Fund invests in deep tech with defensible technical or data advantages — especially healthcare, enterprise AI, and industrial technology. Founder Lu Zhang emphasizes technical diligence and commercializing hard-science innovation.
Fusion Fund frequently leads or co-leads seed and Series A rounds as an early institutional partner, and reserves capital for follow-ons in portfolio companies.
We do not yet have startups in the Venture Capital Tracker directory with Fusion Fund listed as an investor. Their public portfolio spans healthcare AI, robotics, and enterprise software — check fusionfund.com for current companies.
Start on fusionfund.com and LinkedIn to identify the right partner for your sector. Like most seed firms, warm introductions from trusted operators or co-investors help; avoid cold mass emails to generic inboxes.
Fusion Fund is referenced in our NYC and early-stage investor guides as a deep-tech seed investor. We do not yet have a dedicated fund-close article — see /directory for related firms in healthtech and AI.
Website

By Venture Capital Tracker

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.