# vitalstage ventures

> vitalstage ventures is a VC fund in San Francisco backing Internet and Software. See 7 investments, check sizes, portfolio. Updated Oct 2026.

- Type: VC Fund
- Location: San Francisco, United States
- Total investments: 7
- Last investment: Sep 2026
- Lead investor: 14%
- Last updated: Oct 2026
- Website: http://vitalstage.com

vitalstage ventures is a VC fund in San Francisco focused on Internet and Software. vitalstage ventures seeks to help entrepreneurs navigate the vital stages of company development

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 2 | 29% |
| Software | 2 | 29% |
| Machine Learning | 2 | 29% |
| Artificial Intelligence | 2 | 29% |
| Medical | 1 | 14% |

8 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 57% |
| Pre-Seed | 3 | 43% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Autopoiesis Sciences | Autopoiesis Sciences builds next-generation AI models designed to unlock transformative scientific breakthroughs across all critical research domains. The company's approach focuses on developing foundational reasoning capabilities that can autonomously drive discovery in areas where traditional AI has failed to deliver reliable results. | $11M | Seed | Sep 30, 2026 | https://autopoiesis.science/ |
| Overworld | Overworld provides enhanced privacy, lower environmental effect, and the freedom for players, artists, and builders to retain complete creative control. Overworld is dedicated to openness, intentionality, and human agency at all phases of development. | $4.5M | Pre-Seed | Jan 20, 2026 | https://over.world/ |
| Joinable Labs | Joinable Labs is a time-to-intelligence advancement platform that helps users to enter raw data into advanced private AI systems by providing privacy, security, and control. | $2M | Seed | Aug 05, 2025 | https://www.joinable.ai |
| Autopoiesis Sciences | Autopoiesis Sciences builds next-generation AI models designed to unlock transformative scientific breakthroughs across all critical research domains. The company's approach focuses on developing foundational reasoning capabilities that can autonomously drive discovery in areas where traditional AI has failed to deliver reliable results. |  | Pre-Seed | Jul 30, 2025 | https://autopoiesis.science/ |
| CodeAnt AI | CodeAnt AI is a devtool that assists businesses in identifying and auto-fixing code bugs and security vulnerabilities. | $2M | Seed | May 07, 2025 | https://www.codeant.ai |
| Not Diamond | Not Diamond focuses on optimizing the use of various AI models based on their strengths and capabilities. | $2.3M | Pre-Seed | Jul 30, 2024 | https://www.notdiamond.ai/ |

6 of 7 investments shown.

## Co-investors
- [Informed Ventures](https://shizune.co/investors/profile/informed-ventures) — VC Fund, 3 deals together
- [Cross Atlantic Angels](https://shizune.co/investors/profile/cross-atlantic-angels) — VC Fund, 2 deals together
- [DeVC](https://shizune.co/investors/profile/devc) — VC Fund, 2 deals together
- [Inovia Capital](https://shizune.co/investors/profile/inovia-capital) — VC Fund, 2 deals together
- [Karman Ventures](https://shizune.co/investors/profile/karman-ventures) — VC Fund, 2 deals together
- [Threshold](https://shizune.co/investors/profile/threshold) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund

## FAQ

### What does vitalstage ventures invest in?

vitalstage ventures invests primarily in Internet, Software and Machine Learning startups, most often at Seed and Pre-Seed stage. Most of the 7 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did vitalstage ventures last invest?

The most recent investment recorded for vitalstage ventures closed in Sep 2026. Shizune tracks 7 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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