# Mayewell Capital

> Mayewell Capital is a VC fund in Pennsylvania Furnace backing Biotechnology and Health Care. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Pennsylvania Furnace, United States
- Total investments: 2
- Last investment: Apr 2025
- Lead investor: 50%
- Last updated: Aug 2026
- Website: http://mayewellcapital.com/

Mayewell Capital is an investment firm that invests in healthcare, pharmaceuticals, and biotechnology.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 2 | 100% |
| Health Care | 1 | 50% |
| Therapeutics | 1 | 50% |
| Pharmaceutical | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series C | 1 | 50% |
| Venture - Series Unknown | 1 | 50% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 1 | 50% |
| United Kingdom | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| ThirtyFiveBio | ThirtyFiveBio is a biotechnology agency |  | Venture - Series Unknown | Apr 15, 2025 |  |
| ONL Therapeutics | ONL Therapeutics is a biopharmaceutical company dedicated to protecting vision through the protection of photoreceptors. The current market for retinal drugs is greater than $7 billion and rapidly growing. Existing therapies have significant limitations and none address the initial neural component of vision loss - the death of the photoreceptorcell. | $15M | Series C | Mar 08, 2023 |  |

2 of 2 investments shown.

## Co-investors
- [Canaan Partners](https://shizune.co/investors/profile/canaan-partners) — VC Fund, 2 deals together
- [AbbVie](https://shizune.co/investors/profile/abbvie) — VC Fund, 1 deal together
- [Biosciences Research and Commercialization Center (BRCC)](https://shizune.co/investors/profile/biosciences-research-and-commercialization-center-brcc) — VC Fund, 1 deal together
- [Bios Partners](https://shizune.co/investors/profile/bios-partners) — VC Fund, 1 deal together
- [Capital Community Angel Investors](https://shizune.co/investors/profile/capital-community-angels-investors) — VC Fund, 1 deal together
- ExSight Ventures — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund

## FAQ

### What does Mayewell Capital invest in?

Mayewell Capital invests primarily in Biotechnology, Health Care and Therapeutics startups, most often at Series C and Venture - Series Unknown stage. Most of the 2 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 Mayewell Capital last invest?

The most recent investment recorded for Mayewell Capital closed in Apr 2025. Shizune tracks 2 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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