Capital B grows Europe’s first Bitcoin treasury to 3,140 BTC in one year

A European company you’ve probably never heard of just quietly stacked 3,140 Bitcoin in 12 months. Capital B, the Paris-listed firm that rebranded from The Blockchain Group in November 2024, has built what it calls Europe’s first dedicated corporate Bitcoin treasury, accumulating roughly $200 million worth of BTC at an average cost basis of about $104K per coin. And it’s not even close to done. The company’s stated goal is 15,000 BTC by the end of 2027 and a truly audacious 210,000 BTC by 2033. That last figure would represent 1% of Bitcoin’s entire fixed supply. The MicroStrategy playbook, European edition Capital B officially launched its Bitcoin accumulation strategy on November 5, 2024. Since then, the firm has been buying consistently, including a notable 192 BTC purchase in May 2026 and a smaller 1 BTC acquisition on August 3, 2026, for roughly €60,000. Capital B operates within a regulated European framework, listing on Euronext Paris and recently expanding to Cboe Europe. The company isn’t purely a Bitcoin holding vehicle, though. It maintains legacy operations as a technology consulting firm focused on data intelligence, AI, and decentralized technology. Who’s backing this...