Adam Back — Blockstream CEO and one of Bitcoin’s earliest contributors — just gained a much bigger and more flexible stake in Capital B, the Euronext Growth Paris–listed company that bills itself as Europe’s first Bitcoin Treasury Company. That shift was quietly embedded in the fine print of a Monday capital raise, and it could matter more than the €1.1 million headline figure.
What happened
- Capital B issued 10 million share subscription warrants in a €1.1 million placement. Back subscribed to all 10 million warrants at €0.11 apiece.
- Each warrant can be exercised into one new share at €0.84, a price tied to 130% of the company’s recent five‑day VWAP and linked to Capital B’s mNAV metric.
- mNAV (market‑NAV) ties the company’s share value directly to the Bitcoin it holds on a fully diluted basis — Capital B’s preferred valuation measure over traditional metrics.
Bonds, conversion terms and upside
- Capital B also amended the terms of the OCA B‑04 convertible bonds that Back previously subscribed to.
- The conversion price was slashed from €5.174 to €2.59 per share (about a 50% cut).
- A prior share‑price condition that limited when Back could convert has been removed — he can now convert at any time before the bonds mature.
- Each bond converted will also grant the holder a two‑year equity warrant, adding further upside.
Ownership and market reaction
- On a fully diluted basis, Blockstream Capital Partners would hold 38.11% of Capital B; Adam Back personally would own nearly 10%. Public and institutional investors account for roughly 40.21%, with the remainder held by management and strategic partners.
- Capital B’s stock jumped more than 6.5% after the announcement, though it remains down more than 16% since January.
Why this matters
- The conversion flexibility and lower conversion price materially increase Back’s ability to deepen his economic ownership quickly, aligning him more closely with Capital B’s strategy of growing Bitcoin reserves per share.
- The changes are pitched as reflecting market conditions and designed to incentivize conversion, which would accelerate dilution but also lock in longer‑term alignment with the firm’s Bitcoin treasury thesis.
- Investors should watch mNAV trends and the interplay between share price, conversion activity and further capital moves — because conversion events and additional tokenized equity can change both the numerator (BTC holdings) and the denominator (shares outstanding) that determine BTC per share.
Bitcoin accumulation context
- Capital B has been actively adding to its treasury: in the final week of April it added roughly €0.4 million of Bitcoin, bringing its total holdings to 2,943 BTC.
- The company’s stated objective remains increasing Bitcoin held per share on a fully diluted basis over time.
Bottom line
The headline €1.1 million raise is noteworthy, but the more consequential change is the accelerated conversion pathway and price reset for Adam Back’s bonds. That move both deepens Back’s stake and could speed structural shifts in Capital B’s share count and Bitcoin‑per‑share math — developments crypto investors will be watching closely.
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