# Felix Jahn

> Felix Jahn is a seed investor at McMakler (Berlin) backing Software and Information Technology. See 37 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [McMakler](https://shizune.co/investors/profile/mcmakler-gmbh)
- Location: Berlin, Germany
- Total investments: 37
- Last investment: Apr 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/felixjahn/
- Website: http://www.felixjahn.com

Felix Jahn is a seed investor at McMakler in Berlin focused on Software and Information Technology. Felix is an active entrepreneur and business angel. A WHU graduate, Felix was one of the first MDs of Rocket Internet, responsible for many of the initial companies incubated in 2007-2009. He went on to start Home24 in 2009 and run it as Co-CEO until 2014. In 2015 he started german hybrid real estate agent McMakler as founding investor and has beenrunning the company as executive Chairman and CEO since then. His current and past private business angel investments include Zalando, Auto1 Group, HomeToGo, among others.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.7M–$5.9M |
| Pre-Seed | $738k–$6M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 9 | 24% |
| Information Technology | 8 | 22% |
| Internet | 7 | 19% |
| Artificial Intelligence | 7 | 19% |
| SaaS | 4 | 11% |

59 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 17 | 46% |
| Pre-Seed | 9 | 24% |
| Funding Round | 5 | 14% |
| Series A | 3 | 8% |
| Angel | 2 | 5% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 26 | 70% |
| United Kingdom | 2 | 5% |
| United States | 1 | 3% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BLOCKS | BLOCKS deploys an AI agent to monitor cloud usage patterns continuously. The agent identifies wasteful resource allocations and applies real-time optimizations autonomously. It differs from dashboards by taking direct action instead of just alerting users. | $6M | Pre-Seed | Apr 09, 2026 |  |
| Optimeleon | Optimeleon is an AI-led firm that replaces manual A/B testing with AI helping create personalized page variants. | $1.7M | Pre-Seed | Sep 25, 2025 |  |
| Droidrun | Droidrun is a cutting-edge software development company that specializes in creating innovative solutions enabling AI agents to seamlessly access and control smartphone applications. By leveraging advanced artificial intelligence and machine learning algorithms, their software facilitates smooth interactions between AI systems and mobile devices,empowering agents to autonomously navigate, operate, and optimize a wide range of apps on both Android and iOS platforms. | $2.5M | Pre-Seed | Jul 23, 2025 |  |
| Paypercut | Paypercut is a fintech startup that allows small and mid-scaled merchants to offer Buy Now, Pay Later at checkout via a single integration. | $2.3M | Pre-Seed | Jul 16, 2025 |  |
| Mozart AI | Artho has revealed its first product, Mozart AI, a groundbreaking AI-powered Digital Audio Workstation (DAW) that aims to accelerate and magnify human creativity. This hybrid musician will have complete control over their musical vision with no creative friction. They will create, engineer, and perform at the speed of their imagination. They willoutperform and innovate the best pure human artists by combining human artistry with AI co-creation. We are a team of musicians, technologists, and creative visionaries. | $737.8K | Pre-Seed | Jul 01, 2025 |  |
| Admi | Admi is a government technology company that helps towns and municipalities develop and operate photovoltaic systems on public lands. |  | Pre-Seed | Jan 14, 2025 |  |
| YGO.AI | YGO Trips revolutionizes the travel booking experience with our AI-driven platform, providing a seamless, all-in-one solution for planning your perfect getaway. Our innovative platform streamlines your holiday planning by offering an extensive selection of flights, hotels, mobility services, activities, concerts, and festivals & more all inone convenient location. With YGO Trips, you have the power to tailor your holiday to your exact preferences, creating a personalized itinerary that aligns with your desires.Leveraging cutting-edge AI technology, YGO Trips discerns your preferences to suggest events and activities that resonate with your interests, ensuring every aspect of your trip is as enjoyable as possible. It's not just about booking a trip; it's about crafting the unique holiday experience that you've always dreamed of, effortlessly and all from one provider. | $2.7M | Seed | Aug 07, 2024 |  |
| Getpaid | Getpaid is a technology and payment firm with offices in Germany and Spain that focuses solely on platforms and marketplaces. Our objective is to create the world's most platform-centric solution, where platforms can monetise payments and merchants can effortlessly develop their companies. The product will enable platforms and marketplaces toget up to 5X more value from payments in terms of revenue potential, data and business insights, customer experience, and payment operations. | $6M | Seed | Oct 05, 2023 |  |
| 42watt | 42watt is the first retrofit marketplace for homeowners. The platform streamlines the home retrofit journey by connecting homeowners with tailored, end-to-end solutions across solar, heating, mobility, and electricity. Fully digital and manufacturer-independent, 42watt designs optimal systems, matches projects with vetted local installers, andensures real-time optimization. By handling the complexity, 42watt empowers installers to focus on delivering high-quality work. |  | Seed | Sep 25, 2023 |  |
| Kursinsel | We empower children to discover their interests and pursue their passions from the comfort of their homes. Providing access to a large variety of interactive online courses from drawing, dancing, science to Minecraft and many more. |  | Seed | Jun 21, 2023 |  |

10 of 37 investments shown.

## Co-investors
- [NAP](https://shizune.co/investors/profile/cavalry-ventures) — VC Fund, 5 deals together
- [Picus Capital](https://shizune.co/investors/profile/picus-capital) — VC Fund, 4 deals together
- [Saarbruecker 21](https://shizune.co/investors/profile/saarbruecker-21) — VC Fund, 4 deals together
- [BONVENTURE](https://shizune.co/investors/profile/bonventure) — VC Fund, 3 deals together
- [Cherry Ventures](https://shizune.co/investors/profile/cherry-ventures) — VC Fund, 3 deals together
- [NAP](https://shizune.co/investors/profile/nap-vc) — VC Fund, 3 deals together

## About McMakler

VC Fund · Berlin, Germany

McMakler is the leading hybrid real estate agent in Germany. The company combines state-of-the-art marketing technology and central processes at its headquarters in Berlin with a local team of almost 400 permanent real estate agents across Germany in all major regions. With a supported brand awareness of 33%, McMakler is today the best-known realestate agent in Germany and is characterised by its far above-average service quality.

5 contacts available at McMakler.

| Name | Title | Profile |
| --- | --- | --- |
| Benedikt Manigold | CFO | https://shizune.co/investors/profile/benedikt-manigold |
| Christof Hellmis | Chief Product Officer (CPO) | https://shizune.co/investors/profile/christof-hellmis |
| Constantin Meyer | Head of McMakler Commercial | https://shizune.co/investors/profile/constantin-meyer |
| Felix Jahn | Founder & CEO | https://shizune.co/investors/profile/felix-jahn |
| Julian Lübke | Chief Operating Officer (COO) | https://shizune.co/investors/profile/julian-l%C3%BCbke |

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## FAQ

### What does Felix Jahn invest in?

Felix Jahn invests primarily in Software, Information Technology and Internet startups, most often at Seed and Pre-Seed stage. Most of the 37 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Felix Jahn's check size?

Felix Jahn typically joins rounds of $2.7M–$5.9M at Seed and $738k–$6M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Felix Jahn participates in.

### When did Felix Jahn last invest?

The most recent investment recorded for Felix Jahn closed in Apr 2026. Shizune tracks 37 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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