Stefan Wiskemann
Angel Investor
Hamburg, Germany
Stefan Wiskemann is a seed investor in Hamburg focused on Gaming and Real Estate. Stefan Wiskemann
- Total investments:
- 8
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Stefan Wiskemann invests in
Stages Stefan Wiskemann invests in
Countries Stefan Wiskemann invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Series A
- $6.9M–$14M
Investment Focus
Industry
- Gaming 2 (25%)
- Real Estate 2 (25%)
- Real Estate Investment 2 (25%)
- Banking 1 (13%)
- FinTech 1 (13%)
Stage
- Seed 4 (50%)
- Series A 2 (25%)
- Pre-Seed 1 (13%)
- Funding Round 1 (13%)
Country
- Germany 5 (63%)
- Indonesia 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Reneo is the leading end-to-end asset transformation- and decarbonization platform for residential real estate in Germany. Using proprietary software technology to identify and realize the ecological and economic potential of stranded assets. | $46.9M / Feb 20, 2025 | ||
| Agen Provider Sabung Ayam WS168 Berlisensi Resmi Terbaik, Aman, dan Terpercaya di Indonesia | $13.8M / Series A / Oct 24, 2023 | ||
| MYNE Homes is a digital co-ownership platform for vacation properties. MYNE Homes was founded in 2021 and was headquartered in Berlin, Germany. | $23.9M / Seed / Jul 07, 2022 | ||
| Reneo is the leading end-to-end asset transformation- and decarbonization platform for residential real estate in Germany. Using proprietary software technology to identify and realize the ecological and economic potential of stranded assets. | Seed / Jan 01, 2020 | ||
| Reneo is the leading end-to-end asset transformation- and decarbonization platform for residential real estate in Germany. Using proprietary software technology to identify and realize the ecological and economic potential of stranded assets. | $1.1M / Pre-Seed / Sep 01, 2019 | ||
| Closelink is a technology platform for the shipping industry, focused on substantially improving the process for procurement of ship consumables. It is a cloud-based purchasing platform for marine lubricants that allows buyer and seller to work on the same page. | Seed / May 20, 2019 | ||
| Deposit Solutions is a developer of an open banking platform designed to connect banks and depositors across Europe. The company's platform help banks to offer attractive third party deposit products to their own customers through their existing accounts so that the depositors can access best-in-class deposit offers without having to open anew account at another bank, enabling banks looking for funding to gather deposits from new markets and client groups without having to set up and operate their own retail infrastructure. | $6.9M / Series A / Jan 08, 2016 | ||
| kissnofrog is the German web portal where members meet and date in a casual and enjoyable atmosphere by using live flirts and video chats. The personalized dating network, individually developed for each user is based on scientific knowledge on the effect of social graphs and leads to better matching results for the user. During a login, newcontacts can easily be established through flirts, games and chats. Kissnofrog is a portal that thrives on the spontaneity of its members and adds new live and entertaining ways to meet new people online. kissnofrog is backed by Holtzbrinck Ventures, Stefan Glänzer, the European Founders Fund and Stefan Wiskemann. | Seed / Sep 01, 2007 |
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FAQ
What does Stefan Wiskemann invest in?
Stefan Wiskemann invests primarily in Gaming, Real Estate and Real Estate Investment startups, most often at Seed and Series A stage. Most of the 8 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Stefan Wiskemann's check size?
Stefan Wiskemann typically joins rounds of $6.9M–$14M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Stefan Wiskemann participates in.
How do I contact Stefan Wiskemann?
Public channels for Stefan Wiskemann include LinkedIn. 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 Stefan Wiskemann last invest?
The most recent investment recorded for Stefan Wiskemann closed in Feb 2025. Shizune tracks 8 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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