Cambium Capital is an early-stage venture capital firm founded in 2018 and based in San Francisco. The firm invests in cutting-edge compute, deep tech, and AI/ML innovations across advanced computing, memory & storage, data movement, packaging, and software toolchains.
50% of their portfolio is in Hardware & Semiconductors. Average disclosed round size is $130.1M (across 23 rounds with reported amounts).
Portfolio
20
Fund Size
—
Top Stage
Seed
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
26 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| SSambaNova | Series F | $1B | Jul 2026 |
 EPIC Microsystems | Series A | $21M | Mar 2026 |
 NeoCognition | Seed | $40M | Jan 2026 |
 Sambanova Systems | Series F | — | Jan 2026 |
| SSambaNova | Series F | $1B | Jan 2026 |
 Snowcap | Seed | $23M | Jun 2025 |
| SSnowcap Compute | Seed | $23M | Jun 2025 |
| SSnowcap | Unknown | $23M | Jan 2025 |
 BLACK SEMICONDUCTOR | Series A | — | Jun 2024 |
 Elve | Series A | $15M | Feb 2024 |
| EElve | Series A | $15M | Feb 2024 |
 Etherwhere | Unknown | $16.3M | Jan 2024 |
| BLACK SEMICONDUCTOR | Growth | $274M | Jan 2024 |
| BLACK SEMICONDUCTOR | Seed | — | Jan 2024 |
 Opal | Series B | $22M | Dec 2023 |
 3D Glass | Series C | $30M | Apr 2023 |
 Rapid Silicon | Series A | $15M | Jan 2023 |
| 33d Glass Solutions | Series C | $30M | Jan 2021 |
| 3D Glass | Series C | $30M | Jan 2021 |
 IonQ | Series B | $7M | Jun 2020 |
 SeeQC | Seed | $5M | Apr 2020 |
| BLACK SEMICONDUCTOR | Seed | $6.6M | Jan 2020 |
| SSambaNova | Growth | $350M | — |
 Ahead Computing | Seed | $30M | — |
 Exotanium | Series A | $12M | — |
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Top Co-Investors
Vsquared Ventures7 shared
Lockheed Martin Ventures6 shared
Intel Capital6 shared
GV5 shared
Vista Equity Partners5 shared
Union Square Ventures4 shared
T. Rowe Price4 shared
Battery Ventures4 shared
Seligman Ventures4 shared
Walden Catalyst Ventures4 shared
Qatar Investment Authority3 shared
Playground Global3 shared
General Atlantic3 shared
Porsche AG2 shared
Scania Growth Capital2 shared
Capnamic Ventures2 shared
Project A2 shared
NRW.BANK2 shared
Walden Venture Capital2 shared
Last updated: 27 September 2026