Capital B raised 1.1 million euros ($1.28 million) through the issuance of a warrant subscribed by Blockstream CEO Adam Back, extending the cryptographer’s support for the French-listed Bitcoin treasury company.
As of Monday, Back had subscribed for 10 million subscription warrants at $0.13 each announcement from capital B. Each warrant gives Back the right to purchase one recent share of the future company at an exercise price of $0.98, which corresponds to the company’s market net asset value (mNAV) of 1.1 per share, the company said.
The transaction would enhance Back’s exposure to B Capital, where he is already one of the company’s largest strategic investors. He currently holds over 39.5 million shares, representing 9.97% of Plan B shares on a fully diluted basis. Back is best known as the inventor of Hashcash, the proof of work system cited in the Bitcoin white paper.
The raise comes as some Bitcoin treasuries continue to seek capital for accumulation strategies, while others utilize derivatives or asset sales to manage balance sheet risk during a Bitcoin downturn. UK-based Capital B and Connecting Excellence Group (XCE) were the only Bitcoin treasury companies to raise capital in Europe over the past month.
XCE capital of $794,000 to raise On April 23, he was also supported by Adam Back.
Capital B raises $1.28 million from Adam Back. Source: Kapitał B
Capital B shares will enhance by 6% after the announcement of the capital enhance
Big B he said the recent capital will be used to “accelerate” the Bitcoin treasury strategy, which was seen as a positive signal from shareholders.
Capital B’s share price rose more than 6.5% on Monday, but is still down more than 16% since the beginning of 2026, data from Yahoo! Financial shows.
Big B (ALCB.PA) share price, chart from the beginning of the year. Source: Yahoo! Finances
Capital B is the 25th largest Bitcoin treasury company, holding 2,943 BTC currently worth approximately $234 million, According to to Bitcointreasuries.net data.
Related: Adam Back claims that Bitcoin’s post-quantum change could reveal Satoshi’s real stash
Other Bitcoin Treasury Companies Reduce Balance Sheet Risk from a Bitcoin Downturn.
On April 24, Nasdaq-listed Bitcoin treasury company Nakamoto announced an actively managed Bitcoin derivatives program aimed at generating recurring volatility income and hedging a portion of its corporate BTC holdings from downside exposure.
Nakamoto is the 20th largest Bitcoin treasury company and the largest to disclose the sale of some of its shares earlier this year. The company announced the sale of 284 Bitcoins (worth approximately $20 million at the time) on March 30. filing with the US Securities and Exchange Commission.
A month earlier in February, treasury company Bitcoin Genius Group said it had liquidated its entire 84 BTC treasury holding for approximately $5.7 million, which it used to pay off an $8.5 million debt obligation, according to the SEC filing.
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