French Firm Capital B Secures €21M Funding Round to Expand BTC Treasury
French Bitcoin treasury firm Capital B has raised €21 million from Adam Back and TOBAM to purchase additional BTC for its reserves.

French investment firm Capital B has secured €21 million in fresh capital from prominent backers, including Blockstream CEO Adam Back and asset manager TOBAM. The entity plans to allocate the entire amount toward accumulating additional Bitcoin.
Capital B currently holds 3,145 BTC, valued at more than $245 million, making it one of the largest corporate holders of digital assets in Europe. The funding round demonstrates continued backing from institutional and high-net-worth investors for dedicated balance sheet exposure.
The capital injection strengthens institutional adoption trends across European markets, mirroring corporate treasury strategies popularized in the United States. Sustained buying pressure from balance-sheet accumulators continues to absorb available circulating supply.
Key takeaways
- Capital B raises €21M to expand its European corporate Bitcoin treasury
- Investors include Blockstream CEO Adam Back and asset manager TOBAM
- The firm currently holds 3,145 BTC on its balance sheet
