# Katja Ruhnke

> Katja Ruhnke is a seed investor at CK Venture Capital backing Baby. See 4 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [CK Venture Capital](https://shizune.co/investors/profile/ck-venture-capital)
- Location: Munich, Germany
- Total investments: 4
- Last investment: Jun 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/katja-ruhnke-a7ba64196/
- Website: https://www.ck-venture.com/ueber-uns/

Katja Ruhnke is a seed investor at CK Venture Capital in Munich focused on Baby and Software. Katja Ruhnke is the CEO & Founder of CK Venture Capital. Katja Ruhnke attended KMM Institute for Culture and Media Management.

## Contacts

5 contacts available for Katja Ruhnke: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/katja-ruhnke?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Baby | 1 | 25% |
| Software | 1 | 25% |
| Recycling | 1 | 25% |
| Waste Management | 1 | 25% |
| Housekeeping Service | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| traplinked | traplinked is a pest control company from Nordkirchen focused particularly on the simplicity of operation. | $2.1M | Seed | Jun 25, 2025 |  |
| hey circle | Hey Circle is a manufacturer of reusable shipping packaging. Hey Circle products include foldable, weather and dirt-resistant shipping bags and reused shipping boxes with theft protection and branding possibilities for brands, offering customers with a sustainable solution that is simple to use for packers and customers. | $1.6M | Seed | Jan 15, 2024 |  |
| heycare (former heynanny) | Heynannyly enables working professionals to book a babysitter. | $1.8M | Seed | Jun 22, 2023 |  |
| SKYSEED | Regrowing forests as a service with drones | $2.1M | Seed | May 04, 2022 |  |

4 of 4 investments shown.

## Co-investors
- [better ventures](https://shizune.co/investors/profile/better-ventures-9d06) — VC Fund, 3 deals together
- [Bayern Kapital](https://shizune.co/investors/profile/bayern-kapital) — VC Fund, 1 deal together
- [BayStartUP](https://shizune.co/investors/profile/baystartup) — VC Fund, 1 deal together
- [Brangs + Heinrich](https://shizune.co/investors/profile/brangs-heinrich) — VC Fund, 1 deal together
- [Capacura](https://shizune.co/investors/profile/capacura) — VC Fund, 1 deal together
- [CK Venture Capital](https://shizune.co/investors/profile/ck-venture-capital) — VC Fund, 1 deal together

## About CK Venture Capital

VC Fund · Unterschleißheim, Germany

CK Venture Capital is a venture Capital firm invest in start-up companies.

1 contacts available at CK Venture Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Katja Ruhnke | Founder & CEO | — |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Katja Ruhnke invest in?

Katja Ruhnke invests primarily in Baby, Software and Recycling startups, most often at Seed stage. Most of the 4 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Katja Ruhnke?

Public channels for Katja Ruhnke 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.

### When did Katja Ruhnke last invest?

The most recent investment recorded for Katja Ruhnke closed in Jun 2025. 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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