Puteaux-based Capital B, listed on Euronext Growth Paris, announced a capital increase for an amount of approximately €2.2M. The increase, priced at €2.2380 per share, was fully subscribed by Adam Back.
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Adam Back now holds over 20 per cent of Capital B, alongside investors such as TOBAM and Peak Hodl. The company aims to expand its Bitcoin treasury and leverage its AI and blockchain subsidiaries to bridge traditional business with the Bitcoin economy.
The Board of Directors decided on August 15, 2025, to issue 1,000,000 new ordinary shares without pre-emptive rights for shareholders. The subscription represented a total amount of €2,238,000. The new shares will be admitted to trading on Euronext Growth Paris.
The deal could enable Capital B to acquire about 17 additional bitcoins for its treasury. Following this transaction, the company’s potential total bitcoin holdings could reach 2,218 BTC.
Besides the investment, Capital B confirmed the final conversion of 4.76 million OCA B-01 bonds held by Fulgur Ventures. The conversion results in the issuance of 8.75 million new ordinary shares at a price of €0.54 per share. The move increases Fulgur’s stake in Capital B while reducing the company’s outstanding debt.
Brief about Capital B
Capital B is Europe’s first Bitcoin Treasury company. Since adopting a Bitcoin Standard on November 5, 2024, the company’s mission is to build Bitcoin reserves and increase holdings per share through smart capital allocation.
The company’s strategy is based on Bitcoin’s scarcity, security, and decentralisation, which support its role as a long-term store of value.
