# Oy Hammaren & Co Ab

> Oy Hammaren & Co Ab is a VC fund in Finland backing Health Care, Wellness and GreenTech. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Finland, United States
- Total investments: 4
- Last investment: Jan 2022
- Lead investor: 0%
- Last updated: Aug 2026

Oy Hammaren & Co Ab is a VC fund in Finland focused on Health Care and Wellness. Oy Hammaren & Co Ab provides financial services and insurance activities.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 3 | 75% |
| Wellness | 1 | 25% |
| GreenTech | 1 | 25% |
| Biotechnology | 1 | 25% |
| Service Industry | 1 | 25% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Angel | 1 | 25% |
| Series A | 1 | 25% |
| Funding Round | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Naava | Naava reconnects humanity with nature. Future technology embracing millions of years of natural innovation and design lies behind the smartest green walls on the planet. At Naava, we want to help people feel better, healthier and more productive. The environment where we live, learn, and work is important for us. After all, we spend well over 90%of our time in indoors, breathing synthetic, man-made air a thousand times every hour.By 2025 a billion people can choose to breathe Nordic forest air. Everywhere. Naava brings nature inside, everywhere. We allow people to experience nature in the midst of the urban environment. Our brand promise can be explained in one word: breathe. | $7.8M | Venture - Series Unknown | Jan 27, 2022 |  |
| Heltti | Heltti redefines occupational healthcare and well-being services with technology and a subscription model. Heltti develops the most lovable digital health care systems. Heltti is a Finnish occupational health care company founded in 2013. It is owned by its employees and a handful of renowned Finnish investors, such as Risto Siilasmaa. | $2.2M | Series A | Aug 28, 2018 |  |
| Heltti | Heltti redefines occupational healthcare and well-being services with technology and a subscription model. Heltti develops the most lovable digital health care systems. Heltti is a Finnish occupational health care company founded in 2013. It is owned by its employees and a handful of renowned Finnish investors, such as Risto Siilasmaa. | $549K | Angel | Nov 28, 2016 |  |
| NaturVention | NaturVention Enclosed Ecosystem Technologies solves global problems by combining nature and technology. We are a fast growing, venture-backed technology company. We challenge ourselves to find solutions to global problems by looking into nature, from where we have been able to find solutions for thousands of years already.We have developedpatented solutions by enhancing nature’s own processes. We use the brightest technology to enhance those processes in order to create products that are easy to use and which help people to feel better by providing clean and healthy air and food. | $1.2M |  | Jul 19, 2014 |  |

4 of 4 investments shown.

## Co-investors
- [Butterfly Ventures](https://shizune.co/investors/profile/butterfly-ventures) — VC Fund, 2 deals together
- [First Fellow Partners](https://shizune.co/investors/profile/first-fellow-partners) — VC Fund, 2 deals together
- [Nidoco](https://shizune.co/investors/profile/nidoco) — VC Fund, 1 deal together
- [Oy Etrisk Ab (Paulig)](https://shizune.co/investors/profile/oy-etrisk-ab-paulig) — VC Fund, 1 deal together
- [Sitra](https://shizune.co/investors/profile/sitra) — VC Fund, 1 deal together
- [Tesi](https://shizune.co/investors/profile/tesi) — VC Fund, 1 deal together

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### Similar country
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## Featured in investor lists
- [Health Care Investors in Finland](https://shizune.co/investors/health-care-investors-finland)
- [Health Care VC Funds in Finland](https://shizune.co/investors/health-care-vc-funds-finland)
- [Wellness Investors in Finland](https://shizune.co/investors/wellness-investors-finland)
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- [Biotechnology VC Funds in Finland](https://shizune.co/investors/biotechnology-vc-funds-finland)

## FAQ

### What does Oy Hammaren & Co Ab invest in?

Oy Hammaren & Co Ab invests primarily in Health Care, Wellness and GreenTech startups, most often at Angel and Series A stage. Most of the 4 investments tracked by Shizune back companies in Finland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Oy Hammaren & Co Ab last invest?

The most recent investment recorded for Oy Hammaren & Co Ab closed in Jan 2022. 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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