Capital B Raises €21M to Accelerate Bitcoin Treasury

Capital B secures €21 million in private placement to expand BTC treasury

Capital B announced a private placement that raised €21,007,060.60 on Aug. 28, 2026, selling 36,219,070 ordinary shares with four subscription warrants attached to each share. The Paris-listed Bitcoin treasury company said institutional investors participated in the deal, among them Blockstream co-founder Adam Back and Paris-based asset manager TOBAM. Net proceeds are estimated at roughly €19.9 million after fees and transaction costs and will be directed primarily toward expanding the company’s Bitcoin (BTC) holdings and supporting its balance sheet.

Deal mechanics and immediate funding impact

Investors subscribed at a unit price of €0.58, a price equal to the five-day volume-weighted average share price and about a 6.45% discount to the Aug. 27 closing price, according to the company. Each unit comprises one ordinary share plus four warrants: two warrants with a €0.75 exercise price, one warrant exercisable at €0.98 and one at €1.27. All warrants have five-year maturities and are not being listed separately for trading; ordinary shares issued on exercise would be listed alongside existing Capital B shares.

Maxim Group served as sole placement agent on a best-efforts basis and did not underwrite settlement or delivery for the transaction. The placement is expected to close as early as Aug. 31, subject to routine technical requirements, before a scheduled one-for-ten reverse stock split on Sept. 8, 2026.

Potential upside from warrant exercise — conditional proceeds

If investors exercise every one of the 144,876,280 attached warrants, Capital B could receive up to approximately €135.8 million in additional cash. That sum is not part of the confirmed €21 million and would only materialize if warrant holders choose to convert their instruments and pay the exercise prices. Exercise decisions will depend on future share price performance and investor strategy.

The financing agreement includes an accelerated exercise mechanism: if Capital B’s 20-day volume-weighted average price (VWAP) exceeds 130% of a warrant’s exercise price, the company may trigger a 20-trading-day accelerated exercise period. Warrants remaining unexercised at the end of that window will lapse, which caps potential future dilution.

Reverse split and dilution implications for shareholders

Capital B plans a one-for-ten reverse stock split on Sept. 8, 2026. While a reverse split does not change the company’s market value alone, it adjusts share counts and the effective warrant economics. After the split, each warrant will represent one-tenth of a post-split share and the equivalent exercise prices per post-split share become €7.50, €9.80 and €12.70 across the three tranches.

The company provided illustrative dilution figures: a shareholder owning 1% before the private placement would see that stake shrink to about 0.90% after the issuance if they do not participate in the placement, and could fall to roughly 0.65% if all new warrants were subsequently exercised. The move would also change major holders’ percentages: Adam Back’s ordinary stake is expected to rise from roughly 12% to about 14.82% after close; TOBAM would increase from 2.87% to about 3.29%; Blockstream Capital Partners’ share would be reduced from 21.74% to 19.59% on a pro rata basis.

Use of proceeds and Bitcoin buying strategy

Capital B said the confirmed net proceeds — together with operating resources and other financing options — "could enable" it to acquire an additional ~270 BTC. If that planned purchase is executed in full, Capital B’s total Bitcoin holdings would climb from the 3,145 BTC recorded on Aug. 17 to about 3,415 BTC. The company previously announced equity-funded Bitcoin purchases, including five BTC bought for roughly €280,000 and a prior deployment of May placement proceeds into a €13 million acquisition that added 192 BTC.

Capital B has established a mixed financing framework: equity raises, shareholder-approved financing authorizations and expanded debt capacity give management optionality to scale the treasury. Any future Bitcoin purchases would be confirmed separately after the placement closes.

Market and regulatory notes

The securities were offered to select U.S. qualified institutional buyers and accredited investors under registration exemptions; the transaction does not constitute a public offering in the U.S. and the securities have not been registered with the U.S. Securities and Exchange Commission. Investors should note that the placement carries dilution risk if warrants are exercised, and the ultimate funding from warrants depends on market conditions and investor choices.

Why this matters for crypto markets

Capital B’s continued use of equity and warrant-based financing to buy Bitcoin illustrates a growing pattern among publicly listed Bitcoin treasury companies. Such structures can accelerate BTC accumulation while distributing financing risk across institutional partners. However, they also introduce potential share dilution and hinge on a company’s ability to deploy capital into BTC at attractive prices.

For traders and long-term crypto investors, the transaction signals continued institutional interest in Bitcoin exposure via regulated, exchange-listed vehicles. The involvement of industry names like Adam Back and asset managers such as TOBAM underscores demand from specialized institutional capital for listed Bitcoin treasury plays.

Bottom line

Capital B’s €21 million placement provides near-term funding and optionality to grow its Bitcoin treasury, while attached warrants create a sizable conditional capital pool if exercised. The reverse split and potential warrant conversion will be key events to watch for shareholders concerned about dilution and for market participants tracking institutional accumulation of BTC.

Note: Capital B’s press releases and regulatory filings contain further operational details and timelines. The company’s announced figures — share counts, warrant amounts, exercise prices, projected proceeds, and specific closing dates — are referenced above from company disclosures and Euronext filings.