French investment company Capital B just scooped up 376 BTC for €25.3 million ($29.4 million). That’s the biggest bitcoin buy the firm has made since September 2025.

Deal Details and Size

This 376 BTC haul is Capital B’s largest single purchase in the past year. The firm disclosed the exact euro amount and its dollar equivalent for full transparency.

How the Buy Was Funded

The purchase was financed through recent equity placements, including a private round that raised €28.7 million. Blockstream CEO Adam Back took part in that round, bumping his ownership stake in Capital B up to 17.64%.

BTC Reserves and Ownership Structure

With this latest move, Capital B’s bitcoin reserves now total 3,521 BTC. Altogether, the company has spent €309.4 million accumulating its stash. Adam Back’s participation has locked in his 17.64% share of the firm.