Cambrian Ventures is a San Francisco-based solo-GP venture capital firm founded by Rex Salisbury, a former partner at Andreessen Horowitz. The firm focuses on pre-seed and seed-stage investments in fintech startups, combining capital with a community of fintech founders and operators.
Their most common stage is seed (48% of deals). Average disclosed round size is $7.8M (across 21 rounds with reported amounts).
Portfolio
22
Fund Size
$20M
Top Stage
Seed
Last 12 Mo
3
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
23 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Vinyl Equity | Series A | $20M | Jun 2026 |
 Hamilton AI | Seed | $7.5M | Mar 2026 |
 MNX | Pre-Seed | $6.4M | Jan 2026 |
 Cyphlens | Seed | $3.8M | Dec 2025 |
 LightSpun | Series A | — | Sep 2025 |
 Keep | Series A | $12M | May 2025 |
 CND Life Sciences | Series A | $13.5M | May 2025 |
 Continuum | Seed | $4.1M | Nov 2024 |
 CaseMark | Seed | $1.7M | Jun 2024 |
 Continuum Global Solutions | Pre-Seed | $1.7M | Apr 2024 |
 SimpleClosure | Seed | $4M | Jan 2024 |
 Every | Seed | $9.5M | Nov 2023 |
 Amplifier Therapeutics | Series A | $33.3M | Oct 2023 |
 Capstack | Unknown | $6M | Jul 2023 |
 GovForce | Seed | $2.5M | Feb 2023 |
| Capstack | Pre-Seed | $6M | Jan 2023 |
 Oatfi | Seed | $8M | Oct 2022 |
 Keep Financial | Seed | $9M | May 2022 |
 GovPort | Unknown | $2.8M | — |
 Entravia | Seed | $2.0M | — |
 Inventex | Pre-Seed | $2.4M | — |
 Keep | Unknown | — | — |
 Brico | Seed | $8.1M | — |
Top Co-Investors
Fin Capital4 shared
M253 shared
QED Investors3 shared
Cowboy Ventures3 shared
Assurant Ventures2 shared
Tribe Capital2 shared
Rebel Fund2 shared
Clocktower Technology Ventures2 shared
NextGen Venture Partners2 shared
Infinity Ventures2 shared
Selah Ventures2 shared
Gaingels2 shared
Alloy Labs2 shared
Future Perfect Ventures2 shared
Valor Equity Partners2 shared
Uncorrelated Ventures2 shared
General Catalyst1 shared
Liquid 2 Ventures1 shared
Thrive Capital1 shared
Worklife1 shared
Last updated: 20 October 2026