Fusion Fund is an early-stage venture capital firm based in Palo Alto, California, founded in 2015 by Managing Partner Lu Zhang. The firm invests in pre-seed, seed, and Series A startups leveraging technical or data advantages, with a focus on healthcare, enterprise AI, and industrial technology.
Deal activity decreased year-over-year (5 deals in the last 12 months vs 9 prior). Their most common stage is seed (43% of deals). Average disclosed round size is $21.2M (across 52 rounds with reported amounts).
Portfolio
53
Fund Size
$190M
Top Stage
Seed
Last 12 Mo
5
Team
Sanjeev Kumar
Venture Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
58 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 CVector | Seed | $5M | Jan 2026 |
 AgileRL | Seed | $7.5M | Jan 2026 |
 Autonomous Technologies Group | Pre-Seed | $15M | Jan 2026 |
| EEridu AI | Unknown | $200M | Jan 2026 |
 Portal26 | Series A | $9M | Nov 2025 |
 Memories | Seed | $8M | Jul 2025 |
 Rhino Federated Computing | Series A | $15M | May 2025 |
 Somite | Series A | $47M | May 2025 |
 Blumind | Series A | — | Apr 2025 |
 Reality Defender | Unknown | — | Apr 2025 |
 Proscia | Unknown | $50M | Mar 2025 |
 Palona | Seed | — | Jan 2025 |
| MMemories.ai | Seed | $8M | Jan 2025 |
| PProscia Inc. | Unknown | $50M | Jan 2025 |
 Voyage AI | Series A | $20M | Oct 2024 |
 Starpath Robotics | Seed | $12M | Aug 2024 |
 Subtle Medical | Series B | $10M | Jul 2024 |
 Niobium | Seed | $5.5M | May 2024 |
 Loft | Series A | $24M | Apr 2024 |
 Mojo Vision | Series A | $22.4M | Apr 2023 |
 Nimble Science | Seed | $2M | Apr 2023 |
 Acsense | Seed | — | Jan 2023 |
 Accern | Series B | $20M | May 2022 |
 Bright Security | Series A | $20M | Mar 2022 |
 Birdie | Seed | $7M | Feb 2022 |
Page 1 of 3
Top Co-Investors
Khosla Ventures5 shared
Susa Ventures4 shared
DNX Ventures4 shared
Y Combinator4 shared
AMD Ventures3 shared
GGV Capital3 shared
Gaingels3 shared
Shasta Ventures3 shared
Samsung Next3 shared
Ohio Innovation Fund3 shared
Blue Ivy Ventures3 shared
Bessemer Venture Partners2 shared
Harpoon Ventures2 shared
Chan Zuckerberg Initiative2 shared
SciFi VC2 shared
Ajinomoto Group Ventures2 shared
TechAviv2 shared
8VC2 shared
Day One Ventures2 shared
Balerion Space Ventures2 shared
Last updated: 8 September 2026