SixThirty Ventures is a global venture capital firm based in St. Louis that invests in early-stage companies at the intersection of finance, health, and privacy. The firm connects startups with corporate partners across financial services, insurance, and healthcare to help bring their ideas to market.
34% of their portfolio is in Fintech. Deal activity increased 67% year-over-year (5 deals in the last 12 months). Average disclosed round size is $17.6M (across 44 rounds with reported amounts).
Portfolio
39
Fund Size
$66M
Top Stage
Seed
Last 12 Mo
6
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
47 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| DDiameter Pay | Series A | $10M | Jan 2026 |
 Angle Health | Series B | $134M | Dec 2025 |
| AAnglehealth | Seed | $4M | Dec 2025 |
 AiPrise | Series A | $12.5M | Oct 2025 |
 Daylit | Unknown | $110M | Sep 2025 |
 hypt | Seed | — | Sep 2025 |
 Particula | Pre-Seed | $5.5M | Apr 2025 |
| PParticula | Pre-Seed | $5.5M | Apr 2025 |
| NNvisionX | Seed | $4.6M | Jan 2025 |
 Armilla | Seed | $4.5M | Feb 2024 |
 Armilla AI | Seed | $4.5M | Feb 2024 |
 Osyte | Seed | $4M | Jan 2024 |
 PayGround | Series A | $19.7M | Nov 2023 |
 Accelex | Series A | $15M | Nov 2023 |
 CipherStash | Seed | $3M | Oct 2023 |
 Sandbox Banking | Seed | $4.3M | Feb 2023 |
| Angle Health | Series A | $58M | Jan 2023 |
| CipherStash | Unknown | $3M | Jan 2023 |
 CoverGo | Series A | $15M | May 2022 |
 Pendella | Seed | $5.2M | Mar 2022 |
 NVISIONx | Seed | $4.6M | Jan 2022 |
| NNvisionX | Seed | $4.6M | Jan 2022 |
 Sharegain | Series B | $64M | Jan 2022 |
 TCARE | Series A | $17M | Jan 2022 |
 TCare | Series A | $17M | Jan 2022 |
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Top Co-Investors
Y Combinator7 shared
Plug and Play Tech Center6 shared
Blumberg Capital5 shared
American Family Ventures5 shared
Portage Ventures4 shared
Mighty Capital4 shared
TSVC4 shared
Companyon Ventures4 shared
Correlation Ventures3 shared
Crew Capital3 shared
Wing Venture Capital3 shared
Gutbrain Ventures3 shared
CreativeCo Capital3 shared
Morgan Stanley Next Level Fund3 shared
PBJ Capital3 shared
BlackWood3 shared
Aflac Ventures3 shared
Mindset Ventures2 shared
Provenio Capital2 shared
FCA Venture Partners2 shared
Last updated: 8 September 2026