French Bitcoin Treasury Firm Capital B Buys 376 BTC in $29M Purchase, Its Biggest Buy in a Year

TLDR
- French Bitcoin treasury firm Capital B acquired 376 BTC for $29.5 million, its largest purchase since September 2025
- The buy was funded by capital raises including a private placement backed by Adam Back and TOBAM
- Capital B now holds 3,521 BTC total, moving it to 25th among publicly traded corporate Bitcoin holders
- The purchase puts Capital B 15 BTC ahead of Sweden’s H100 Group in European rankings
- Bitcoin was trading around $79,500 at the time of the announcement
French company Capital B has bought 376 Bitcoin for 25.3 million euros ($29.5 million), its largest single purchase in nearly a year.
LATEST: 💰 French Bitcoin treasury company Capital B acquired 376 BTC for €25.3M via a €28.7M private placement backed by Adam Back, bringing its total holdings to 3,521 BTC. pic.twitter.com/cl21LBVfuB
- CoinMarketCap (@CoinMarketCap) September 7, 2026
The deal was funded through roughly 30.1 million euros in capital raises, including a private placement. Adam Back, a well-known figure in the Bitcoin space, increased his stake to 17.64% through an additional 7.6 million euro investment in the round. Swissquote Bank Europe executed the purchase, with Taurus handling custody.
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