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BitStone Capital is a venture capital investor and company builder dedicated to innovative technology companies in the real estate and construction industries. The firm provides capital and strategic support, leveraging its extensive network and deep technological expertise to accelerate portfolio growth. Its focus encompasses digital planning, construction, management, operations, finance, and climate solutions.
Established in 2017 by Kai Panitzki and Manfred Heid, BitStone Capital arose from their insight into digital transformation opportunities within real estate and construction. Panitzki contributed entrepreneurial experience in technology and finance, complemented by Heid's aptitude for innovative business models. This collaboration connects emerging tech with established industry needs.
The firm backs early-stage startups, aiming to reshape the built environment with advanced solutions. BitStone Capital's mission drives the digital evolution of these sectors through technological advancements. Its vision facilitates sustainable transformation in real estate and construction, promoting efficient and responsible practices.
Key people at BitStone Capital.
BitStone Capital was founded in 2017 by Kai Panitzki (Managing Partner & Founder) and Manfred Heid (Co-Founder & Managing Partner).
BitStone Capital has 6 tracked investments across 4 companies. The latest tracked deal is $948.0M Seed in Optiml in February 2026.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Feb 17, 2026 | Optiml | $948.0M Seed | KOMPAS VC, Planet A Ventures | Innovation Endeavors, The BAU Ventures |
| Jun 24, 2025 | aedifion | $19.8M Series B | Alice Besomi | Bauwens, Drees & Sommer, Hopp Family Office, Lartis, Momeni Digital Ventures, Phoenix Contact Innovation Ventures, World Fund |
| Apr 1, 2025 | node.energy | $17.0M Series B | DeepTech & Climate Fonds, ECAPITAL | Amadeus Capital Partners, Ecapital Entrepreneurial Partners, Marc Stilke, Markus Wagner, BonVenture, Henri Isohanni, High Tech Grunderfonds |
| Jan 30, 2023 | aedifion | $13.1M Series A | Beyondbuild, TIM Schumacher, DR. Ing. Mark Windeknecht | Bauwens, Drees & Sommer, Hopp Family Office, Momeni Digital Ventures, Phoenix Contact Innovation Ventures, Dietmar Hopp |
| Sep 7, 2022 | Plancraft | $2.1M Grant / Seed | — | Louis Heinz, Investitions UND F Dernbank Hamburg IFB, Realpace, Xdeck |
| Jul 1, 2022 | node.energy | $7.0M Series A | Bitstone Capital | Ecapital Entrepreneurial Partners, 10X Founders, BonVenture, Helen Ventures, High Tech Grunderfonds |
Key people at BitStone Capital.
BitStone Capital was founded in 2017 by Kai Panitzki (Managing Partner & Founder) and Manfred Heid (Co-Founder & Managing Partner).
