# Forty51 Ventures

> Forty51 Ventures is a VC fund backing Therapeutics and Medical. See 7 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Total investments: 7
- Last investment: Apr 2026
- Lead investor: 57%
- Last updated: Aug 2026
- Website: http://www.forty51ventures.com/

Forty51 Ventures is a VC fund focused on Therapeutics and Medical. Forty51 Ventures is the Biotech Venture Capital.

## Contacts

5 contacts available for Forty51 Ventures. Shizune tracks 1 team members at Forty51 Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/forty51-ventures?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $3.5M–$5.1M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Therapeutics | 2 | 29% |
| Medical | 1 | 14% |
| Health Care | 1 | 14% |
| Biotechnology | 1 | 14% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 57% |
| Series A | 1 | 14% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Tamas Schweighoffer | Partner | 1 | https://shizune.co/investors/profile/tamas-schweighoffer |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ferrosa Therapeutics | Ferrosa Therapeutics is a Basel, Switzerland-based biotechnology company developing a first-in-class bispecific antibody to treat anemia of inflammation. | $3.5M | Seed | Apr 23, 2026 |  |
| Allegria Therapeutics | Allegria Therapeutics operates as a biotech company. | $5.1M | Seed | Dec 11, 2025 |  |
| Mosanna Therapeutics | Mosanna is a Biotech company based in Basel with a commitment to improving patient outcomes and quality of life in high unmet need diseases, applying a precision medicine approach. | $80M | Series A | Jun 09, 2025 |  |
| Allegria Therapeutics | Allegria Therapeutics operates as a biotech company. | $3.5M | Seed | May 06, 2024 |  |
| Mysthera Therapeutics | Mysthera Therapeutics is a pharmaceutical company Mysthera plans to reshape the treatment landscape for autoimmune disease. PIM kinase inhibition uniquely and selectively modulates immune cell function in multiple lineages associated with complex disease. | $3.5M | Seed | Aug 21, 2023 |  |
| Mosanna Therapeutics | Mosanna is a Biotech company based in Basel with a commitment to improving patient outcomes and quality of life in high unmet need diseases, applying a precision medicine approach. |  | Seed | Apr 11, 2023 |  |
| Mosanna Therapeutics | Mosanna is a Biotech company based in Basel with a commitment to improving patient outcomes and quality of life in high unmet need diseases, applying a precision medicine approach. |  | Seed | Jul 13, 2022 |  |

7 of 7 investments shown.

## Co-investors
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 2 deals together
- [Norwest](https://shizune.co/investors/profile/norwest-venture-partners) — VC Fund, 2 deals together
- [Supermoon Capital](https://shizune.co/investors/profile/supermoon-capital) — VC Fund, 2 deals together
- [ALK Abelló](https://shizune.co/investors/profile/alk-abell) — VC Fund, 1 deal together
- [Broadview Ventures](https://shizune.co/investors/profile/broadview-ventures) — VC Fund, 1 deal together
- [Forbion Capital Partners](https://shizune.co/investors/profile/forbion-capital-partners) — VC Fund, 1 deal together

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### Similar stage
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### Similar country
- [SICTIC](https://shizune.co/investors/profile/sictic) — VC Fund
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## Featured in investor lists
- [Biotechnology Investors in Switzerland](https://shizune.co/investors/biotechnology-investors-switzerland)
- [Biotech Investors in Switzerland](https://shizune.co/investors/biotech-investors-switzerland)
- [Health Care VC Funds in Switzerland](https://shizune.co/investors/health-care-vc-funds-switzerland)
- [Biotechnology VC Funds in Switzerland](https://shizune.co/investors/biotechnology-vc-funds-switzerland)
- [Biotech VC Funds in Switzerland](https://shizune.co/investors/biotech-vc-funds-switzerland)

## FAQ

### What does Forty51 Ventures invest in?

Forty51 Ventures invests primarily in Therapeutics, Medical and Health Care startups, most often at Seed and Series A stage. Most of the 7 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Forty51 Ventures's check size?

Forty51 Ventures typically joins rounds of $3.5M–$5.1M 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 Forty51 Ventures participates in.

### How do I contact Forty51 Ventures?

Public channels for Forty51 Ventures include the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Forty51 Ventures?

The team at Forty51 Ventures includes Tamas Schweighoffer (Partner). The Team section lists each member with their title, investment count and links.

### 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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