Invest in Capital B (formerly Blockchain Group): Complete Guide 2025

The blockchain sector is establishing itself in the international financial landscape, driven by constant innovation and the rise of cryptocurrencies. Among the listed companies embodying this dynamic, Capital B — formerly The Blockchain Group — holds a prominent position. This guide details all aspects to understand, analyze, and invest intelligently in the Capital B stock (ISIN: FR0011053636) in 2025.

Presentation of Capital B and evolution of its strategy

Capital B is a company based in Puteaux, listed on Euronext Growth Paris. Since November 2024, it has been recognized as the first Bitcoin Treasury Company in Europe. This strategic shift marks a clear intention to integrate Bitcoin as a long-term reserve asset while continuing its historical activities in technology consulting, data intelligence, and artificial intelligence.

Capital B brings together several expert subsidiaries, including iOrga and Trimane. iOrga develops custom, traditional, and decentralized applications, while Trimane provides advanced solutions covering the entire data value chain. The company thus offers development, consulting, artificial intelligence, and blockchain infrastructure integration services to large corporations and public organizations.

Key figures for the Capital B share as of November 11, 2025

  • Current name: Capital B (formerly The Blockchain Group)
  • ISIN Code: FR0011053636
  • Market: Euronext Growth Paris
  • Last price: €0.9420 (closing price on November 10, 2025)
  • Morning price on 10/11: €0.9210
  • Alternative morning price on 10/11: between €0.9140 and €0.9200 according to stock exchanges
  • Closing price the previous day (11/07/2025): €0.8780
  • Change since January 1, 2025: between +205% and +215% according to sources
  • Number of shares traded on 10/11: between 308,000 and 2,625,000 shares (data varies depending on the time of quotation)
  • Market capitalization: approximately €199 million
  • Expected PER 2024: 21.5x
  • Float: 96.55%
  • Number of employees: 135 in 2025
  • Expected net income: growing due to the Bitcoin strategy
  • 5-year performance: +12.57%
  • 1-year performance: +205% to +215% (according to platform)
  • Dividend: no payment, yield 0%
  • PEA/PME eligibility: yes
  • Target price (analysts): no consensus available in 2025
  • Volatility: significant fluctuations in share prices and trading volumes
  • Bitcoin Treasury: over 2,800 BTC held in reserve

Market context for blockchain and crypto-assets

The global blockchain market, driven by accelerated digitalization and the growing popularity of cryptocurrencies, recorded an average growth of 15% in 2024. Institutional investors are increasingly involved in the sector: investment amounts by banks, funds, and large corporations increased by 30% in 2023.

This dynamism is illustrated by the continuous development of blockchain-based financial services, the tokenization of assets, and the adoption of Bitcoin and Ethereum as viable alternatives to traditional currencies. This context is favorable for companies like Capital B, specialized in technology and data intelligence.

The strategic transformation of Capital B: from technological consulting to Bitcoin Treasury

Since November 5, 2024, Capital B has reinvented itself with an unprecedented strategy in France: the accumulation of Bitcoins as corporate reserves. This model, already observed in some American companies, relies on the use of excess cash flows to acquire Bitcoin and preserve the value of the company in a context of macroeconomic volatility. This positions Capital B as both a technological actor and an institutional investor in crypto-assets.

In parallel with this new strategy, Capital B continues its original activity of digital transformation consulting, blockchain integration, and custom AI development.

Analysis of stock market and financial performance

History and recent developments

The Capital B share shows an exceptional performance in 2025 with an annual increase of over 205%. Volatility remains high, with significant daily fluctuations and trading volumes sometimes multiplied by ten. Over five years, the progress remains positive but less spectacular (+12.57%), reflecting the sometimes contrasting cycles of the blockchain company market.

The market capitalization, close to 199 million euros, approaches record levels for a company in the sector on Euronext Growth Paris. The float, very high at 96.55%, reflects great liquidity and free circulation of capital on the market.

Financial ratios and valuation

  • Expected P/E ratio 2024: 21.5x
  • Price-to-book ratio: close to 36x, which illustrates a very strong market anticipation of the value of the digital assets held by the company
  • Price-to-sales ratio: above 27x, a high level for the sector
  • PEG ratio: 3.10 (indicating a high valuation relative to expected growth)

Focusing on Bitcoin treasury

Capital B holds more than 2,800 Bitcoins in reserve, equivalent to more than 260 million euros at current prices. This accumulation policy makes the company a unique case in Europe, where the integration of crypto-assets into corporate treasury remains rare.

Volatility and risks associated with investment

The Capital B stock is subject to significant volatility, fueled by the evolution of Bitcoin prices, the lack of analyst consensus, and substantial fluctuations in trading volume. Investors should be aware that correlations with cryptocurrency market fluctuations and potential government regulations can significantly impact the valuation of the company.

No dividends have been paid in recent years, confirming the strategy of retaining and valuing capital over the long term.

Growth Prospects and Competitive Positioning

The economic model of Capital B relies on two pillars: organic growth from technology services and the potential appreciation of its Bitcoin reserves. Its early positioning in the Bitcoin Treasury segment provides a differentiated competitive advantage compared to traditional ESNs and IT companies.

The blockchain market, estimated to be expanding strongly over the next few years, should allow Capital B to grow at a sustained rate, especially as demand for advisory services, AI development, and blockchain integration continues to increase among large corporations, governments, and fintechs.

In terms of partnerships, the company collaborates with recognized actors in the French and international digital ecosystem, enhancing its visibility and commercial opportunities.

Investment Strategies in Capital B Stock

Diversification and Risk Management

As with any investment in a technological or blockchain-related stock, it is recommended to diversify your portfolio. Other listed companies in the cryptocurrency and fintech sectors—such as exchange platforms or specialized consulting firms—can be integrated to offset the specific sector volatility risks.

Diversification helps reduce the impact of major movements and potential regulations that could influence the valuation of Bitcoin or the company in the short term.

Long-term Approach

Investing in Capital B primarily involves a long-term strategy. Given the company's choice to accumulate Bitcoin, future performance will largely depend on Bitcoin's ability to appreciate, as well as the continuous development of advisory and data intelligence activities. Investors with a multi-year perspective will be best positioned to absorb volatility and benefit from upward cycles in the sector.

Key Points to Monitor Before Investing

  • Significant Volatility: marked price movements and volumes
  • No Dividends
  • No Analyst Consensus on specific targets
  • Cryptocurrency Regulation potentially influencing the stock
  • Innovative but Risky Bitcoin Treasury Strategy in case of prolonged Bitcoin decline
  • Strength of the Management Team: recognized leadership in the sector
  • Prospective Market with the acceleration of blockchain and AI adoption in businesses

FAQ about Capital B (formerly Blockchain Group)

What is the ISIN code for Capital B?

FR0011053636

Where is the stock listed?

Euronext Growth Paris

Does the company pay a dividend?

No, no dividend is currently planned.

Does the market capitalization exceed 199 million euros in 2025?

Yes

Is the stock eligible for PEA/PME?

Yes

How many employees does Capital B have in 2025?

135

How many Bitcoins does the company hold in reserve?

Over 2,800 BTC

Conclusion: Why Capital B deserves investors' attention

Capital B embodies one of the most significant transformations in the French technology sector in 2025. By positioning itself as a pioneer in the Bitcoin Treasury Company segment, the company attracts investors seeking innovation and indirect exposure to Bitcoin. Despite high volatility, the stock is driven by solid growth, a differentiated strategy, and sound fundamentals. For those looking to diversify their portfolio in tech, blockchain, and cryptocurrencies, Capital B appears as an opportunity worth studying in detail within a risk management framework and with a long-term perspective.