# BitStone Capital

> BitStone Capital is a VC fund in Cologne backing Software and Real Estate. See 43 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Cologne, Germany
- Total investments: 43
- Last investment: Feb 2026
- Lead investor: 30%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/bitstone-capital/
- X (Twitter): https://twitter.com/bitstonecap
- Website: https://www.bitstonecapital.com

BitStone Capital is an internationally operating company builder and investor who selectively invests in innovative digital Real Estate and Construction business models, and also accelerates their growth with own resources. BitStone supports young companies with its outstanding network, excellent industry know-how and broad expertise in newtechnologies - from product development through market entry to successful rollout.

## Contacts

5 contacts available for BitStone Capital. Shizune tracks 2 team members at BitStone Capital. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/bitstone-capital?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $560k–$9.6M |
| Series A | $1.1M–$14M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 12 | 28% |
| Real Estate | 10 | 23% |
| Construction | 6 | 14% |
| SaaS | 4 | 9% |
| Information Technology | 4 | 9% |

50 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 15 | 35% |
| Series A | 10 | 23% |
| Funding Round | 6 | 14% |
| Venture - Series Unknown | 4 | 9% |
| Pre-Seed | 2 | 5% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 24 | 56% |
| Switzerland | 2 | 5% |
| Israel | 1 | 2% |
| Austria | 1 | 2% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Kai Panitzki | Managing Partner & Founder | 7 | https://shizune.co/investors/profile/kai-panitzki-96a6 |
| Manfred Heid | Co-Founder & Managing Partner | 5 | https://shizune.co/investors/profile/manfred-heid-1a07 |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Optiml | Optiml develops software that supports real estate decarbonization and energy transition planning. The company provides a digital platform that models building portfolios, evaluates renovation pathways, and assesses financial and carbon impacts of retrofit strategies. Its tools integrate technical, economic, and regulatory data to help assetmanagers prioritize investments and align with climate targets. Optiml also enables scenario analysis, tracking of emissions performance, and reporting capabilities that support sustainability decision-making. The company serves property owners, investors, and financial institutions seeking structured analysis for decarbonization planning and capital allocation. | $9.6M | Seed | Feb 17, 2026 |  |
| aedifion | Aedifion develops tools for the cloud-based processing of operating data from building automation systems. | $19.7M | Series B | Jun 23, 2025 |  |
| aedifion | Aedifion develops tools for the cloud-based processing of operating data from building automation systems. | $19.7M | Series B | Jun 23, 2025 |  |
| node.energy | node.energy builds SaaS solutions for the regulatory and commercial management of decentralized energy supply systems for commercial and industrial real estate. Our software massively reduces administrative workload, helps to save energy costs and ensure that our customers are always up to date and compliant to the current regulation. | $17M | Series B | Apr 23, 2025 |  |
| Green Fusion | Green Fusion is developing a cloud-based energy manager for the intelligent control of heat, electricity, and e-mobility. The focus here is on hybrid heating systems in buildings such as heat pumps + gas boilers and the coupling to photovoltaic systems and electric vehicle charging stations. | $12.5M | Series A | Jan 21, 2025 |  |
| Lichtwart | Lichtwart is a startup that creates a cloud control platform for efficiently controlling and maintaining lighting systems. |  | Pre-Seed | Sep 13, 2024 |  |
| Optiml | Optiml develops software that supports real estate decarbonization and energy transition planning. The company provides a digital platform that models building portfolios, evaluates renovation pathways, and assesses financial and carbon impacts of retrofit strategies. Its tools integrate technical, economic, and regulatory data to help assetmanagers prioritize investments and align with climate targets. Optiml also enables scenario analysis, tracking of emissions performance, and reporting capabilities that support sustainability decision-making. The company serves property owners, investors, and financial institutions seeking structured analysis for decarbonization planning and capital allocation. | $4.1M | Pre-Seed | Aug 21, 2024 |  |
| Plancraft | MISSION We empower our customers to focus on what they love: crafts & construction VISION In times of automation, individual and high-quality work of craftsmen will be as demanded as ever. Plancraft paves the way for profitable projects by bringing powerful calculation to an easy-to-use and accessible level. | $13M | Series A | Jun 05, 2024 |  |
| OKIBO | Okibo is developing intelligent, mobile, multi-purpose and autonomous robots for use in construction sites. The company’s first product is a robot for wall rendering (e.g., stucco, EIFS, concrete, primer, and adhesives) that will be used to simplify and lower costs of handling wall isolation.`​ Okibo’s robots sit atop a highly mobile platform anduse advanced computer vision, laser detectors, geo-positioning, and inertial motion sensors to operate at, and assimilate into any construction site. The robot’s versatile robotic manipulators enable the programming of a multitude of tasks that are today performed by manual labor or limited machinery. | $7.9M | Seed | Mar 28, 2024 |  |
| Green Fusion | Green Fusion is developing a cloud-based energy manager for the intelligent control of heat, electricity, and e-mobility. The focus here is on hybrid heating systems in buildings such as heat pumps + gas boilers and the coupling to photovoltaic systems and electric vehicle charging stations. | $2.9M | Seed | Feb 21, 2023 |  |

10 of 43 investments shown.

## Co-investors
- [MOMENI Ventures](https://shizune.co/investors/profile/momeni-digital-ventures) — VC Fund, 7 deals together
- [Apeiron Investment Group](https://shizune.co/investors/profile/apeiron-investment-group) — VC Fund, 4 deals together
- [Eurazeo](https://shizune.co/investors/profile/eurazeo-com) — VC Fund, 4 deals together
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 4 deals together
- [Phoenix Contact Innovation Ventures](https://shizune.co/investors/profile/phoenix-contact-innovation-ventures) — VC Fund, 4 deals together
- [Swiss Life](https://shizune.co/investors/profile/swiss-life) — VC Fund, 4 deals together

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## FAQ

### What does BitStone Capital invest in?

BitStone Capital invests primarily in Software, Real Estate and Construction startups, most often at Seed and Series A stage. Most of the 43 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is BitStone Capital's check size?

BitStone Capital typically joins rounds of $560k–$9.6M at Seed and $1.1M–$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 BitStone Capital participates in.

### How do I contact BitStone Capital?

Public channels for BitStone Capital include LinkedIn, X (Twitter) 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.

### Who are the partners at BitStone Capital?

The team at BitStone Capital includes Kai Panitzki (Managing Partner & Founder) and Manfred Heid (Co-Founder & Managing Partner). The Team section lists each member with their title, investment count and links.

### 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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