Capital B bought 376 coins a quarter below its own average cost
Adam Back's 7.6 million euro tranche took him to 17.64% of the ordinary shares, and the placement it sat in priced above Capital B's own at-the-market print, a premium more typical of ordinary financing than of discounted rescue money.
The Investor · Invest desk
What happened
- Capital B, the Paris-listed bitcoin treasury company, said Monday it had bought 376 BTC for 25.3 million euros, its largest single purchase in a year.
- The buy is the company's biggest since September 2025, when it took on 551 coins, and follows a month in which it added just 6.
- Holdings now stand at 3,521 BTC bought for 309.4 million euros, an average of 87,878 euros per coin, with bitcoin trading near 79,500 dollars on Monday.
- Funding came from a 28.7 million euro private placement of shares with warrants at 0.58 euros, plus a 1.44 million euro at-the-market top-up at 0.51 euros through TOBAM.
Why it matters
- What it limits constraint At the pace since the June vote the 210,000-coin target needs roughly seventeen times the current buying rate, so the plan requires either a much larger funding channel or a much later date.
- Who has to decide decision With no launch date on the STRC-style credit product, every coin added must be paid for by issuing stock, which puts the dilution question in front of holders at every raise rather than once.
- Who's exposed exposure A cost basis 22.1% above spot means any forced sale crystallises loss, and the company's own peer set shows what the alternative looks like when sponsors stop writing cheques.
Next story · Invest · 13h ago
Capital B's 69.5 million euro loss is 97% an accounting charge on Bitcoin it kept buyingConfirmed3 publishers
The interesting term is the price. TOBAM's at-the-market program moved 1.44 million euros of stock at 0.51 euros a share [7], while the private placement that did the real work took 28.7 million euros at 0.58 with warrants attached [6], which is 13.7% above the market clip rather than the discount that normally buys a block that size [24]. The warrants are the compensation for that, and since neither report of the company statement gives a share count or a net asset value per share [23], whether either print was accretive to bitcoin-per-share is a question the disclosure does not let anyone answer.
Then the tranche arithmetic. Back fully subscribed a 7.6 million euro tranche completed September 2 and was listed as a strategic investor in an earlier 21 million euro block that closed August 28 [8], and those two numbers add to 28.6 million against a 28.7 million euro placement described as taken by institutional buyers [12]. Either the placement simply is those two closings, in which case Back's share of the larger one is unstated and third-party demand is unquantified, or the 21 million sits outside it and there is another block of money in the story. The sources do not resolve which, and the honest read is that the identifiable buyer here is one man now holding 17.64% of the ordinary shares [9].
What the cash did is cleaner. Of roughly 30.1 million euros raised, 25.3 million went into 376 coins at 67,287 euros each [25][17], which is 25.5% below the 90,334 euro average the company carried before Monday and pulled that average down 2,456 euros, or 2.7%, to 87,878 [18]. That is the mechanism working as designed. It is also, at 3,521 coins bought for 359.3 million dollars against a market value near 279.9 million at 79,500, a book sitting 79.4 million dollars or 22.1% under water [19], which is the distinction between the price of the shares Back bought and the value of what they funded.
The 2033 target is where the arithmetic gets unkind. Shareholders authorised up to 5 billion euros of equity and 100 billion euros of credit instruments toward 210,000 BTC by 2033 [13], and 206,479 coins still to buy would cost about 16.4 billion dollars at Monday's price [22]. Since the June meeting, when the treasury stood at 3,139 coins, Capital B has added 382, an annualised pace near 1,700 a year against the roughly 29,500 a year the target implies, about 17 times the current rate [21]. Monday's placement was 0.57% of the equity authority [20], and the bitcoin-backed credit instrument modelled on Strategy's STRC and Strive's SATA, which board director Alexandre Laizet described at BTC Prague as targeting double-digit yields with under 10% volatility, has no launch date [10]. Until it does, growth comes from selling shares.
One possibility is that spot recovers and the 67,287 euro clip looks like good work. Another is that the credit product prices and funding stops being dilution. The third, visible already in France's Sequans, which abandoned the strategy and sold its coins [15], is that Capital B does the same. Strive's 1,800-coin purchase for about 143 million dollars and Strategy's 369.7 million dollar restart after a ten-week pause [16] sit against a sector that has lost more than 80 billion dollars of combined value since mid-2025, with 35 of the top 50 more than half below prior levels, according to Cryptopolitan [14]. On the evidence supplied, the buying here is one sponsor adding to his own position.
What to watch
- A launch date and coupon on the STRC/SATA-style credit instrument, which would move funding from share sales to paid-for leverage.
- The investor list on the next placement: a raise of similar size with no named strategic tranche would test whether third-party demand exists.
- Whether Capital B holds through spot below its 87,878 euro average or follows Sequans into selling coins.
Information, not investment advice. This story is general information about companies and markets, drawn from cited reporting. It is not a recommendation to buy, sell or hold any security; check the cited sources before acting.
Clarity's read
What the record supports and how the coverage leans. The claims behind it follow.
Reality
- Evidence68
- Adoption30
- Hype gap+40
- Incentives62
- Confidence64
Claim ledger
Ranked by verification strength, evidence, and original report placement.
- [1]
Capital B, a French bitcoin treasury firm, said Monday it acquired 376 BTC for 25.3 million euros (29.4 million dollars), its largest bitcoin purchase in a year.
- [2]
The purchase brought Capital B's holdings to 3,521 BTC acquired for a total of 309.4 million euros (359.3 million dollars), an average purchase price of 87,878 euros (102,058 dollars) per bitcoin.
- [3]
Bitcoin was little changed over the prior 24 hours and traded at around 79,500 dollars on Monday, according to The Block's BTC price page.
- [4]
Bitcoin reached a local high of around 81,700 dollars last Thursday before retreating.
- [5]
Monday's buy was Capital B's largest since September 2025, when it bought 551 BTC; the company bought just 6 BTC the previous month.
- [6]
The larger financing was a private placement of shares with warrants raising 28.7 million euros (about 33.3 million dollars) at 0.58 euros per share, taken by institutional buyers.
- [7]
A modest 1.44 million euro top-up was done at 0.51 euros a share via an at-the-market program with asset manager TOBAM.
- [8]
Blockstream's Adam Back was revealed in the press release to have fully subscribed a 7.6 million euro (8.8 million dollar) tranche completed September 2, as well as an earlier 21 million euro block that closed August 28, where he was listed as a strategic investor.
- [9]
The two injections together lifted Back's stake in ordinary shares to 17.64%.
- [10]
Capital B is creating a bitcoin-backed credit instrument for European investors based on Strategy's STRC and Strive's SATA, targeting double-digit yields and less than 10% volatility, board director Alexandre Laizet told an audience at BTC Prague; no launch date has been set.
- [11]
Capital B, previously known as The Blockchain Group, rebranded in July 2025 to focus on its bitcoin treasury strategy.
- [12]
Back's 7.6 million euro tranche and the 21 million euro block total 28.6 million euros, within 100,000 euros of the 28.7 million euro placement total.
- [13]
At the June 17 annual meeting, over 95% of votes approved authorisations for up to 5 billion euros in new equity and 100 billion euros in credit instruments, with a long-term target of 210,000 BTC, about 1% of all bitcoin, by 2033; the company then held 3,139 BTC.
- [14]
Cryptopolitan reported that bitcoin treasury companies have lost more than 80 billion dollars in combined market value since their mid-2025 crest and that 35 of the top 50 were trading more than half below previous levels.
- [15]
France's Sequans has given up the bitcoin treasury strategy and resorted to selling its coins.
- [16]
In late August Strive bought 1,800 BTC for about 143 million dollars, becoming the fifth-largest public holder, and Strategy restarted buying after a roughly ten-week pause, spending 369.7 million dollars.
- [17]
Monday's 376 BTC cost about 67,287 euros per coin.
- [18]
Before Monday, Capital B held 3,145 BTC for 284.1 million euros, an average of 90,334 euros; Monday's buy at 67,287 euros was 25.5% below that average and pulled it down 2,456 euros, or 2.7%, to 87,878 euros.
- [19]
At 79,500 dollars, Capital B's 3,521 coins are worth about 279.9 million dollars against 359.3 million paid, leaving the book 79.4 million dollars or 22.1% under water.
- [20]
The 28.7 million euro placement is 0.57% of the 5 billion euro equity authorisation.
- [21]
Capital B needs 206,479 more coins to reach 210,000; it added 382 coins between the June 17 meeting and Monday, an annualised pace of about 1,700 a year, against roughly 29,500 a year needed over the seven years to 2033, about 17 times the current rate.
- [22]
The remaining 206,479 coins would cost about 16.4 billion dollars at Monday's 79,500 dollar price.
- [23]
Neither the Cryptopolitan nor The Block report of Capital B's statement discloses total shares outstanding or net asset value per share.
- [24]
The 0.58 euro placement price is 13.7% above the 0.51 euro at-the-market print.
- [25]
The two financings raised about 30.1 million euros, of which 25.3 million went into bitcoin, leaving roughly 4.8 million euros, or 16% of the raise, undeployed.
Sources
2 independent publishers whose own reporting we read for this story.
- cryptopolitan.comCapital B's biggest bitcoin buy in a year rides on Adam Back's $8.8 million bet
1 article · September 7, 2026
- theblock.coCapital B buys $29 million in bitcoin after raises, its largest BTC purchase in a year
1 article · September 7, 2026