Sphere 3D Corp

Sphere 3D Corp. is a Canada-based company specializing in bitcoin mining within the blockchain and cryptocurrency sector. It primarily engages in providing computing power through hash calculations to bitcoin mining pool operators, enabling efficient digital asset production. Headquartered at 243 Tresser Boulevard in Stamford, Connecticut, the firm has pivoted from earlier data management and virtualization solutions for small and medium businesses to focus on cryptocurrency mining operations. With a lean team of approximately 3-4 employees, Sphere 3D Corp. reports revenue mainly from bitcoin mining activities, totaling around $16.61 million in 2024, alongside modest service and product income in prior years. The company maintains a bitcoin treasury, recently holding about 22.7 BTC valued at roughly $1.52 million, reflecting its strategy to accumulate digital assets as part of treasury management. Led by CEO Kurt Kalbfleisch, Sphere 3D Corp. operates in the competitive cryptocurrency mining landscape, contributing to the broader financial technology infrastructure by supporting mining ecosystems and disclosing holdings transparently to stakeholders.