# C3 Ventures

> C3 Ventures is a VC fund backing Health Care, FinTech and Software. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Total investments: 13
- Last investment: Jun 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/29285061/
- X (Twitter): https://twitter.com/c3ventures
- Website: https://c3.ventures/
- Facebook: https://www.facebook.com/C3VentureCapital

C3 Ventures is an early stage startup investment firm. C3 Ventures invests in companies in spaces as varied as enterprise SaaS, healthcare, space tech, green energy, autonomous transportation, and consumer. Founded by successful technology entrepreneurs, companies can expect help with the hard issues they face as they grow.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $120k–$8.3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 3 | 23% |
| FinTech | 2 | 15% |
| Software | 2 | 15% |
| Life Science | 2 | 15% |
| Transportation | 2 | 15% |

36 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 10 | 77% |
| Pre-Seed | 1 | 8% |
| Series A | 1 | 8% |
| Funding Round | 1 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 11 | 85% |
| Colombia | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Givefront | Givefront is the financial operating system for non-profits. | $2M | Seed | Jun 01, 2024 |  |
| TômTex Co | 100% naturally bio-based material made from food waste | $1.2M | Pre-Seed | Jan 15, 2022 |  |
| VenoStent | VenoStent is a clinical-stage tissue engineering company that’s developed tunable, bioabsorbable smart polymer wraps in order to fundamentally transform the 5 million vascular surgeries performed each year. | $3M | Seed | Feb 23, 2021 |  |
| Sable | Thin file U.S. residents suffer from an uncertain, fragmented, and inefficient path to quality credit and banking options Sable provides -Access to credit building cards, a no fee bank account, and debit card within 5 minutes with no credit history, SSN, or U.S address required -Premium card and brand -Quickest way to build credit with enhancedmulti-point reporting on more data points than any other card -Faster path to unsecured credit by addressing the full path end to end, with gamified graduation to our own Sable unsecured credit credit card -Transparent formula via tangible Sable milestones, guiding our customers along a path to credit building and graduation to unsecured credit | $2.7M | Seed | Feb 27, 2020 |  |
| DailyDoctor | AIRx Health is a digital health service connecting patients with leading physicians to monitor and treat chronic conditions such as COPD, stroke, High Blood Pressure and COVID-19. Now covered by Medicare and select insurers. |  | Seed | Mar 22, 2019 |  |
| Momentus | Momentus is a U.S. commercial space company that plans to offer in-space infrastructure services, including in-space transportation, hosted payloads and in-orbit services. Momentus believes it can make new ways of operating in space possible with its planned in-space transfer and service vehicles that will be powered by an innovative waterplasma-based propulsion system that is under development. | $8.3M | Seed | Nov 14, 2018 |  |
| UBITS | UBITS is an online learning platform for skilling employees in Latin America. Through education we empower every person and every organization in Latin America | $2M | Seed | Oct 25, 2018 |  |
| Curebase | Curebase is the modern eClinical platform built for flexibility, usability, and full-study oversight. We empower sponsors, CROs, and sites to launch studies faster, deliver better participant experiences, and seamlessly capture data with next-gen, AI-powered ePRO, eConsent, engagement tools, and integrated EDC. | $2.5M |  | Oct 19, 2018 |  |
| Curebase | Curebase is the modern eClinical platform built for flexibility, usability, and full-study oversight. We empower sponsors, CROs, and sites to launch studies faster, deliver better participant experiences, and seamlessly capture data with next-gen, AI-powered ePRO, eConsent, engagement tools, and integrated EDC. | $2.5M | Seed | Oct 19, 2018 |  |
| FREY | FREY is a clothing care start-up created with the lofty objective of transforming the laundry industry. | $2.4M | Seed | Sep 28, 2018 |  |

10 of 13 investments shown.

## Co-investors
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 5 deals together
- [Four Cities Capital](https://shizune.co/investors/profile/fourcities-capital) — VC Fund, 2 deals together
- [Nucleus Adventure Capital](https://shizune.co/investors/profile/nucleus-adventure-capital) — VC Fund, 2 deals together
- [Pioneer Fund](https://shizune.co/investors/profile/pioneer-fund) — VC Fund, 2 deals together
- [Xfund](https://shizune.co/investors/profile/xfund) — VC Fund, 2 deals together
- [Script Capital](https://shizune.co/investors/profile/122-west-ventures) — VC Fund, 1 deal together

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### Similar industry
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### Similar stage
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### Similar country
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## Featured in investor lists
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## FAQ

### What does C3 Ventures invest in?

C3 Ventures invests primarily in Health Care, FinTech and Software startups, most often at Seed and Pre-Seed stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is C3 Ventures's check size?

C3 Ventures typically joins rounds of $120k–$8.3M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds C3 Ventures participates in.

### When did C3 Ventures last invest?

The most recent investment recorded for C3 Ventures closed in Jun 2024. Shizune tracks 13 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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