- Business
- K33 AB (publ) (K33.ST) is a Sweden-domiciled holding company focused on digital assets, providing market-leading execution, actionable insights, research, brokerage, custody services, and investment platforms to private clients and institutional partners across Europe, the Middle East, and Africa (EMEA); through subsidiaries including K33 Operations AS, it offers trading platforms for cryptocurrencies, Bitcoin mining operations via Green Data in northern Norway, an inter-bank marketplace for digital assets via Puremarkets Ltd, and derivatives trading via ITOAM Sarl (LN Markets) using the Bitcoin Lightning Network; founded in 2004 as part of the Arcane Crypto lineage with key milestones including the 2020 acquisition of Kaupang Krypto brokerage, 2021 Nasdaq listing as Arcario AB, 2023 unified K33 brand launch and Nasdaq First North listing in Stockholm, and December 2024 name change to K33 AB (publ), the company is headquartered in Oslo, Norway, and maintains operations regulated by the Norwegian Financial Supervisory Authority with partnerships to major Norwegian banks. Recent strategic developments include a Bitcoin treasury initiative launched in 2025, featuring an initial purchase of 10 BTC for SEK 10 million in June, followed by an additional 15 BTC for SEK 16 million in September to reach 141 BTC holdings, a September 2025 directed share issue of up to SEK 85 million (with SEK 60 million in prior investment agreements comprising equity and convertible loans) primarily to fund BTC acquisitions for balance sheet strengthening, margin improvement, new product development, and institutional client expansion, alongside ongoing efforts to scale BTC holdings toward 1,000 units while enhancing brokerage operations with zero-fee trading, deep liquidity in multiple fiat currencies, and personalized support.