Acquisition History
Treasury Metrics
What is Twenty One Capital?
Twenty One Capital (XXI) is a pure Bitcoin treasury company launched in 2025 as a joint venture between Tether, SoftBank and Cantor Fitzgerald, led by Jack Mallers. With more than 43,000 BTC on its balance sheet it is the third-largest corporate treasury in the world, behind only Strategy and the main spot ETFs.
History and model
Twenty One Capital was born in April 2025 as a joint venture between three top-tier sponsors: Tether (issuer of the market's largest stablecoin), SoftBank Group (the Japanese conglomerate led by Masayoshi Son) and Cantor Fitzgerald (the US investment bank controlled by the Lutnick family). The company debuted on Nasdaq via a SPAC merger with Cantor Equity Partners in May 2025, taking the ticker XXI. Jack Mallers, founder of Strike and a prominent figure in the Lightning ecosystem, took the CEO role. The declared business model is treasury-first: a single mission, maximising Bitcoin accumulation per share, with no collateral operating activity.
Bitcoin strategy
XXI's strategy replicates Strategy's continuous accumulation model with two key differences. First: it holds a substantial initial Bitcoin stake from Tether, transferred as founding capital, letting it start with a significant balance from day one without going through the long phase of incremental purchases. Second: the cross-sponsorship with Tether opens financing routes atypical for a traditional listed company, especially the ability to channel USDT liquidity and convert it to BTC without going through conventional banking rails. The core management metric is the same as Strategy's: increase Bitcoin per Share with each operation.
Financing vehicles
As a young company, XXI hasn't yet deployed Strategy's full battery of instruments. Its main routes are: XXI common shares listed on Nasdaq (ATM programme activated after listing), convertible bonds issued in its SPAC debut, and the structural relationship with Tether that opens unconventional channels (USDT↔BTC exchange, intra-group credit lines). The declared roadmap contemplates issuing perpetual preferred shares following the Strategy pattern, not yet launched as of 2026.
Position on SatsIntel
Twenty One Capital is the third-largest corporate treasury in the SatsIntel directory and the main candidate to challenge Strategy's absolute dominance in the medium term. Its mNAV is watched closely as a thermometer of appetite for leveraged Bitcoin exposure outside the Strategy mainstream. The connection with Tether and SoftBank also positions it as a crossover point between the crypto-native ecosystem (Tether) and traditional institutional capital (SoftBank, Cantor Fitzgerald). The editorial pillar on Bitcoin treasuries classifies XXI as a pure treasury, distinct from the mixed model of miners or operating companies with BTC on the balance sheet.
Frequently asked questions
How many bitcoins does Twenty One Capital hold?
Twenty One Capital holds more than 43,000 BTC on its balance sheet, making it the third-largest corporate Bitcoin treasury in the world, behind Strategy and the main spot ETFs. The exact figure updates after each purchase and appears in the live KPIs on its SatsIntel profile.
Who runs Twenty One Capital?
The CEO of Twenty One Capital is Jack Mallers, founder of Strike and a prominent figure in the Lightning Network ecosystem. The company is a joint venture between three main sponsors: Tether (issuer of USDT), SoftBank Group (the Japanese conglomerate) and Cantor Fitzgerald (the US investment bank), each with board representation.
What's the difference between Twenty One Capital and Strategy?
Strategy is roughly 20 times larger by BTC on the balance sheet and started five years earlier (August 2020 vs May 2025), with a more mature arsenal of financing vehicles (convertible bonds, ATM, four types of perpetual preferreds). XXI, by contrast, has a peculiar shareholder backing (Tether, SoftBank, Cantor) and atypical financing channels tied to Tether. Same core pure-treasury mission, different execution profile.
Is Twenty One Capital publicly listed?
Yes. Twenty One Capital trades on Nasdaq under the ticker XXI since May 2025, after completing a SPAC merger with Cantor Equity Partners. The public listing made XXI the largest listed Bitcoin treasury by market cap after Strategy from day one.
What role does Tether play in Twenty One Capital?
Tether is one of the three founding shareholders and contributed a significant initial Bitcoin stake as paid-in capital at launch. This gives XXI a structural advantage over other new treasuries: it starts with a substantial balance without going through the long incremental-buying phase, and keeps a stable crypto-native financing channel via its Tether relationship.
Read this profile in Spanish: ver ficha en español →
Disclaimer: SatsIntel is for informational purposes only. It is not an authorized crypto-asset service provider (CASP) and does not provide financial, tax or legal advice. Crypto-assets are high-risk assets and may result in the total loss of the invested capital. See the legal terms.