# Mattias Westman

> Mattias Westman is a Series A investor at Prosperity Capital Management backing Health Care. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Prosperity Capital Management](https://shizune.co/investors/profile/prosperity-capital-management)
- Location: Stockholm, Sweden
- Total investments: 4
- Last investment: Jul 2021
- Lead investor: 75%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/mattias-westman-39b7257

Mattias Westman is a Series A investor at Prosperity Capital Management in Stockholm focused on Health Care and Biotechnology. Mattias Westman is the Founding Partner of Prosperity Capital Management, an investment firm specializing in Russia and the former Soviet Union. PCM is an active investor with assets of some 2.8bn USD. Prior to founding PCM in 1996, he worked for investment banks Hagströmer & Qviberg and Alfred Berg and started investing in Russia in 1993.Westman has also served on the boards of several Russian companies and as Deputy Chairman of the Investor Protection Association in Russia. He holds a masters degree from the Stockholm School of Economics.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 2 | 50% |
| Biotechnology | 2 | 50% |
| SMS | 1 | 25% |
| Medical | 1 | 25% |
| Facebook | 1 | 25% |

10 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 25% |
| Series C | 1 | 25% |
| Series D | 1 | 25% |
| Debt Financing | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| IgGenix | IgGenix is a biotechnology company, directly address food and other severe allergies by re-engineering key antibodies involved in the allergic cascade. IgGenix isolates and transforms allergen-specific IgE antibodies into IgG antibodies that are designed to alleviate and possibly prevent the allergic cascade. | $25M | Series A | Jul 27, 2021 |  |
| ClearNote Health | ClearNote Health delivers epigenomic and big data approaches to reinvent non-invasive molecular diagnostic testing. The company is actively conducting multiple clinical trials to explore the efficacy of their cancer detection methods, welcoming eligible participants. The company's approach relies on epigenomics, tracking gene activity todetect changes in cells indicative of cancer. | $70M | Series C | May 12, 2021 |  |
| Tetrapod Software | Tetrapod Software LLC offers Chatbox, an enterprise collaboration solution. | $2.1M | Debt Financing | Dec 18, 2015 |  |
| ClearNote Health | ClearNote Health delivers epigenomic and big data approaches to reinvent non-invasive molecular diagnostic testing. The company is actively conducting multiple clinical trials to explore the efficacy of their cancer detection methods, welcoming eligible participants. The company's approach relies on epigenomics, tracking gene activity todetect changes in cells indicative of cancer. | $52M | Series D |  |  |

4 of 4 investments shown.

## Co-investors
- [Alexandria Venture Investments](https://shizune.co/investors/profile/alexandria-venture-investments) — VC Fund, 1 deal together
- [AllerFund](https://shizune.co/investors/profile/allerfund) — VC Fund, 1 deal together
- [Khosla Ventures](https://shizune.co/investors/profile/khosla-ventures) — VC Fund, 1 deal together
- [Pathology Asia Holdings](https://shizune.co/investors/profile/pathology-asia-holdings) — VC Fund, 1 deal together
- [Shangbay Capital](https://shizune.co/investors/profile/shangbay-capital) — VC Fund, 1 deal together

## About Prosperity Capital Management

VC Fund



1 contacts available at Prosperity Capital Management.

| Name | Title | Profile |
| --- | --- | --- |
| Mattias Westman | Founding Partner | https://shizune.co/investors/profile/mattias-westman |

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## FAQ

### What does Mattias Westman invest in?

Mattias Westman invests primarily in Health Care, Biotechnology and SMS startups, most often at Series A and Series C stage. Most of the 4 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 Mattias Westman last invest?

The most recent investment recorded for Mattias Westman closed in Jul 2021. Shizune tracks 4 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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