# VI Partners

> VI Partners is a VC fund in Altendorf backing Health Care and Biotechnology. See 112 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Altendorf, Switzerland
- Total investments: 112
- Last investment: Jul 2026
- Lead investor: 24%
- Fund size: $117M
- Last fund: May 2020
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/vi-partners-ag
- Website: http://www.vipartners.ch/

VI Partners is a VC fund in Altendorf focused on Health Care and Biotechnology. Healthcare & Technology Venture Capital since 2001

## Contacts

5 contacts available for VI Partners. Shizune tracks 8 team members at VI Partners. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/vi-partners?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.3M–$6.5M |
| Series A | $3.7M–$23M |
| Series B | $3.3M–$41M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 24 | 21% |
| Biotechnology | 22 | 20% |
| Software | 13 | 12% |
| Medical Device | 13 | 12% |
| Artificial Intelligence | 10 | 9% |

93 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 31 | 28% |
| Series B | 15 | 13% |
| Seed | 13 | 12% |
| Series C | 13 | 12% |
| Funding Round | 6 | 5% |

12 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Switzerland | 42 | 38% |
| Germany | 9 | 8% |
| United States | 4 | 4% |
| France | 2 | 2% |
| Israel | 2 | 2% |

11 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Arnd Kaltofen | Co-Founder and Managing Partner | 18 | https://shizune.co/investors/profile/arnd-kaltofen |
| Cyrill Osterwalder | Principal | 1 | https://shizune.co/investors/profile/cyrill-osterwalder |
| Diego Braguglia | General Partner | 12 | https://shizune.co/investors/profile/diego-braguglia |
| Olivier Laplace | Partner | 24 | https://shizune.co/investors/profile/olivier-laplace |
| Alain Nicod | Co-Founder and Managing Partner | 4 | https://shizune.co/investors/profile/alain-nicod |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Xeltis | A clinical-stage medical device company, Xeltis has developed the most advanced polymer-based restorative devices for cardiovascular treatment. Xeltis’ restorative devices include implantable small diameter blood vessels for hemodialysis vascular access and for coronary artery bypass graft (CABG) surgery and pulmonary heart valves, for whichclinical trials are ongoing. Xeltis was formed through the merger of two Dutch/Swiss university spin-offs. It currently has operations in The Netherlands and in the USA. Xeltis’ investors include venture capital funds EQT Life Sciences, Kurma Partners, VI Partners and Ysios Capital as well as a number of private investors. In 2021, Xeltis secured a €15 million financing from the European Investment Bank and a €15 million funding from the European Innovation Council Accelerator (EIC) set up by the European Commission. | $23.3M | Venture - Series Unknown | Jul 28, 2026 |  |
| Airspeed | Airspeed is building powerful, intuitive products that help elite revenue teams sell more effectively | $20M | Series A | Jun 04, 2026 |  |
| XO Life | XO-Life.com is an online destination center. That provides services includes digital treatment monitoring and patient feedback R&D, marketing and sales. That offers services for Patient Insights, information exchange between patients and pharma, treatments and indications. | $4.7M | Venture - Series Unknown | Apr 14, 2026 |  |
| Buynomics | Imagine knowing your customers’ preferences without tedious analyses, complex spreadsheets, or unreliable focus groups. Buynomics’ AI transforms all your readily available data into Virtual Customers that mimic the buying decisions of real consumers with unmatched precision.Use these instant and accurate consumer insights as the single source oftruth to make decisions on prices, promotions, products, trade terms, channel & portfolio mix. Our holistic approach uncovers the links between critical revenue levers and provides fast and reliable recommendations for best results - your key to profitable and sustainable decisions. | $30M | Series B | Mar 20, 2025 |  |
| Unique AI | Unique is a venture-backed B2B SaaS sales intelligence platform, transforming sales by empowering both sales teams and customers. Unique leverages the power of AI to augment sales teams with real-time coaching and insights to close more deals and build better customer partnerships; and to give customers a better, more transparent, informed buyingexperience. | $30M | Series A | Feb 27, 2025 |  |
| Kadoa | Kadoa is an AI-powered no-code platform that allows anyone to build complex data workflows effortlessly. |  | Seed | Jan 01, 2025 |  |
| Oplit | Oplit is a production planning platform that provides software and support to help industrials boost operations profitability. |  | Seed | Nov 26, 2024 |  |
| Somagenetix | Somagenetix is a new firm that wants to be a leader in gene therapy by developing first-in-class treatments for phagocyte-related illnesses. Somagenetix's mission is to use genetically modified phagocytes to treat patients suffering from immunodeficiency, neurodegeneration, and cancer with brain metastases. | $11.7M | Series A | Oct 08, 2024 |  |
| Almer Technologies | Almer Technologies is a startup developing compact and lightweight augmented reality (AR) glasses to deliver effortless communication for frontline workers. Almer Technologies provides AR as a service, including hardware as well as software. | $3M | Seed | Sep 18, 2024 |  |
| Flowit | AI-driven People Development - fully inclusive, reaching desk and frontline employees, driving engagement and retention | $4.7M | Seed | Aug 22, 2024 |  |

10 of 112 investments shown.

## Co-investors
- [BioMedPartners](https://shizune.co/investors/profile/biomedpartners) — VC Fund, 16 deals together
- [Neomed Management](https://shizune.co/investors/profile/neomed-management) — VC Fund, 14 deals together
- [b2venture](https://shizune.co/investors/profile/btovpartners) — VC Fund, 10 deals together
- [Gimv](https://shizune.co/investors/profile/gimv) — VC Fund, 9 deals together
- [EQT Life Sciences](https://shizune.co/investors/profile/life-sciences-partners) — VC Fund, 7 deals together
- [Andera Partners](https://shizune.co/investors/profile/edmond-de-rothschild-investment-partners) — VC Fund, 6 deals together

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## FAQ

### What does VI Partners invest in?

VI Partners invests primarily in Health Care, Biotechnology and Software startups, most often at Series A and Series B stage. Most of the 112 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is VI Partners's check size?

VI Partners typically joins rounds of $1.3M–$6.5M at Seed, $3.7M–$23M at Series A and $3.3M–$41M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds VI Partners participates in.

### How do I contact VI Partners?

Public channels for VI Partners include LinkedIn and 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 VI Partners?

The team at VI Partners includes Arnd Kaltofen (Co-Founder and Managing Partner), Cyrill Osterwalder (Principal) and Diego Braguglia (General Partner), among 8 team members tracked by Shizune. 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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