# Kristofer Fichtner

> Kristofer Fichtner is a seed investor at PT1 (Berlin) backing Real Estate and Internet. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [PT1](https://shizune.co/investors/profile/proptech1-ventures)
- Location: Berlin, Germany
- Total investments: 7
- Last investment: Jan 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/kristoferfichtner/

Kristofer Fichtner is a serial entrepreneur and business Angel with a strong focus on the energy industry, property tech and craft tech.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $849k–$4.4M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Real Estate | 2 | 29% |
| Internet | 1 | 14% |
| Software | 1 | 14% |
| Marketplace | 1 | 14% |
| Rental Property | 1 | 14% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 43% |
| Pre-Seed | 2 | 29% |
| Funding Round | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| 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 | Jan 23, 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. |  | Pre-Seed | Jan 23, 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. |  | Pre-Seed | Oct 31, 2022 |  |
| Predium | Every building owner, real estate portfolio holder, developer and investor faces the challenge that data on buildings, energy consumption, CO2 emissions, tenants and climate risks is either not available or scattered in different places. They also lack the tools to act on their ambitions to become sustainable while remaining profitable.Predium’send-to-end platform empowers you to efficiently manage key building data and cost-effectively identify renovation opportunities. Our proprietary technology helps you to:1) Automate data collection and monitor portfolio-wide ESG data in one dashboard 2) Prioritize renovation opportunities and identify subsidy and financial incentives 3) Track and communicate progress according to industry standards | $1.7M | Pre-Seed | May 18, 2022 |  |
| Vermietet.de | Vermietet.de is an association of Berlin entrepreneurs and investors whose vision is to make real estate ownership simple and intelligent. They know from their own experience how complex the management of a property can be - and have therefore founded rented.de. | $4.4M |  | Apr 19, 2018 |  |
| Vermietet.de | Vermietet.de is an association of Berlin entrepreneurs and investors whose vision is to make real estate ownership simple and intelligent. They know from their own experience how complex the management of a property can be - and have therefore founded rented.de. | $4.4M | Seed | Apr 19, 2018 |  |
| METALSALE | Metalsale builds a digital trading platform that allows non-ferrous metal scrap to be traded easily, lucratively and safely. They are a team with many years of experience in recycling and technology companies and know the problems that need to be solved. | $849K | Seed | Oct 01, 2017 |  |

7 of 7 investments shown.

## Co-investors
- [Axa Deutschland](https://shizune.co/investors/profile/axa-deutschland) — VC Fund, 2 deals together
- [Axel Springer Digital Ventures](https://shizune.co/investors/profile/axel-springer-digital-ventures-inc) — VC Fund, 2 deals together
- [Berlin Technologie Holding](https://shizune.co/investors/profile/berlin-technologie-holding) — VC Fund, 2 deals together
- [better ventures](https://shizune.co/investors/profile/better-ventures-9d06) — VC Fund, 2 deals together
- [BONVENTURE](https://shizune.co/investors/profile/bonventure) — VC Fund, 2 deals together
- [Commerzbank](https://shizune.co/investors/profile/commerzbank) — VC Fund, 2 deals together

## About PT1

VC Fund · Berlin, Germany

PT1 is a European venture capital platform investing in early-stage tech that’s upgrading the physical world in three core clusters: electrification & energy transition; built world AI & automation; climate & infrastructure resilience.With initial tickets ranging from €300k to €4M, we back the boldest founders across the UK and Europewho are redefining how we build, power and sustain our world. At PT1 we don’t just fund startups - we actively support to add value where it matters most. Combining deep domain expertise with data-driven insights, we leverage our AI-enabled deal flow engine to identify and accelerate future category winners. Championed by our network of 100+ industry experts – from unicorn founders to corporates and industrial veterans – we provide startups with collective wisdom, hands-on guidance, strategic acceleration sprints and the backing needed to scale.

5 contacts available at PT1.

| Name | Title | Profile |
| --- | --- | --- |
| Adreas Wende | Venture Partner | https://shizune.co/investors/profile/adreas-wende |
| Beat Schwab | Venture Partner (Fund I) | https://shizune.co/investors/profile/beat-schwab |
| Kristofer Fichtner | Venture Partner (Fund I) | https://shizune.co/investors/profile/kristofer-fichtner |
| Nicholas Neerpasch | Venture Partner | https://shizune.co/investors/profile/nicholas-neerpasch |
| Nikolas Samios | Managing Partner & Co-Founder | https://shizune.co/investors/profile/nikolas-samios |

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund

### 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

### Similar country
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund
- [HV Capital](https://shizune.co/investors/profile/holtzbrinck-ventures) — VC Fund
- [IBB Ventures](https://shizune.co/investors/profile/ibb) — VC Fund

## Featured in investor lists
- [Energy Angel Investors in Germany](https://shizune.co/investors/energy-angel-investors-germany)
- [Sustainability Angel Investors in Germany](https://shizune.co/investors/sustainability-angel-investors-germany)
- [Impact Angel Investors in Germany](https://shizune.co/investors/impact-angel-investors-germany)
- [Climate Angel Investors in Germany](https://shizune.co/investors/climate-angel-investors-germany)
- [Proptech Angel Investors in Germany](https://shizune.co/investors/proptech-angel-investors-germany)
- [Sustainability Investors in Germany](https://shizune.co/investors/sustainability-investors-germany)

## FAQ

### What does Kristofer Fichtner invest in?

Kristofer Fichtner invests primarily in Real Estate, Internet and Software startups, most often at Seed and Pre-Seed stage. Most of the 7 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Kristofer Fichtner's check size?

Kristofer Fichtner typically joins rounds of $849k–$4.4M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Kristofer Fichtner participates in.

### When did Kristofer Fichtner last invest?

The most recent investment recorded for Kristofer Fichtner closed in Jan 2023. Shizune tracks 7 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co
