# Exitfund

> Exitfund is a VC fund in Los Altos backing Medical, Health Care and Biotechnology. See 8 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Los Altos, United States
- Total investments: 8
- Last investment: Jun 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/exitfund
- Website: https://x.com/exitfundvc
- Facebook: https://www.facebook.com/exitfundvc

Exitfund is a VC fund in Los Altos focused on Medical and Health Care. Exitfund makes investments in early-stage enterprises that have the potential to revolutionize the global economy.

## Round sizes

| Stage | Round size |
| --- | --- |
| Pre-Seed | $1.1M–$3M |
| Series A | $3M–$43M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 2 | 25% |
| Health Care | 2 | 25% |
| Biotechnology | 2 | 25% |
| Artificial Intelligence | 2 | 25% |
| B2B | 1 | 13% |

25 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 3 | 38% |
| Pre-Seed | 2 | 25% |
| Seed | 1 | 13% |
| Venture - Series Unknown | 1 | 13% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 5 | 63% |
| Israel | 1 | 13% |
| Nigeria | 1 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SyntaxBio | SyntaxBio develops CRISPR/Cas9-based, genetic programming platform that converts cells into biological computers using DNA-based instructions that read like lines of code. SyntaxBio's platform can program cells without the need for consistent external intervention. | $14.4M | Series A | Jun 21, 2026 |  |
| Sage Haven | Sage Haven develops an AI-moderated messaging and calling app designed for children in their early years online. The app issues children a dedicated Sage Haven number and routes messaging and voice calls through its platform while allowing contacts to use services like iMessage or Google Messages. Parents create and verify accounts, approve eachcontact, and supervise conversations from their own phones with alerts, recaps, and safety insights. The service uses automated content moderation to block harmful or inappropriate messages, links, images, and videos before they are sent and to guide children toward safer communication practices. It supports Wi-Fi and cellular use on iOS devices, with tools aimed at reducing exposure to online bullying, spam, and addictive usage patterns. Sage Haven operates as a public benefit corporation balancing commercial activity with a mission to improve children’s mental health and well-being. | $3M | Pre-Seed | Apr 16, 2026 |  |
| R2 Wireless | R2 Wireless offers low-cost RF Situation Awareness and Terrain Dominance capabilities to safeguard key facilities against intrusions and RF harmful attacks. | $5M | Venture - Series Unknown | Mar 10, 2026 |  |
| R2 Wireless | R2 Wireless offers low-cost RF Situation Awareness and Terrain Dominance capabilities to safeguard key facilities against intrusions and RF harmful attacks. | $5.3M | Venture - Series Unknown | Jan 08, 2026 |  |
| LineWise | LineWise is a AI Engineer troubleshoot system that helps manufacturers maximize production uptime. | $1.1M | Pre-Seed | Sep 04, 2025 |  |
| Revision Dojo | Revision Dojo uses AI to transform study tools like question banks, notes, and mini-lessons into personalized learning experiences. | $3.4M | Seed | Mar 16, 2025 |  |
| Infiuss health | Infiuss Health is developing a digital patient twin simulation tool for healthcare and pharma companies to run better randomise control trials and research. | $3M | Series A | Mar 01, 2025 |  |
| Arda Therapeutics | Arda Therapeutics is a biotechnology company taking aim at chronic diseases and aging by eliminating the pathogenic cells that drive these conditions. Their approach starts by using single-cell data to identify pathogenic cells and specific markers to target them. They then design therapies to eliminate these - and only these - cells.Arda wasfounded in 2021 in the San Francisco Bay Area, CA. | $43M | Series A | Oct 01, 2024 |  |

8 of 8 investments shown.

## Co-investors
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 2 deals together
- [Corner Ventures](https://shizune.co/investors/profile/corner-ventures) — VC Fund, 2 deals together
- [Gaingels](https://shizune.co/investors/profile/gaing) — VC Fund, 2 deals together
- [Origin Ventures](https://shizune.co/investors/profile/origin-ventures) — VC Fund, 2 deals together
- [Spring Rock Capital](https://shizune.co/investors/profile/spring-rock-capital) — VC Fund, 2 deals together
- [Team Ignite Ventures](https://shizune.co/investors/profile/team-ignite-ventures) — VC Fund, 2 deals together

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## Featured in investor lists
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## FAQ

### What does Exitfund invest in?

Exitfund invests primarily in Medical, Health Care and Biotechnology startups, most often at Series A and Pre-Seed stage. Most of the 8 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 Exitfund's check size?

Exitfund typically joins rounds of $1.1M–$3M at Pre-Seed and $3M–$43M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Exitfund participates in.

### When did Exitfund last invest?

The most recent investment recorded for Exitfund closed in Jun 2026. Shizune tracks 8 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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