MARA sold about 40% of its bitcoin stack after Sept. 30, used $750 million to repay all its BTC-backed term loans and said it will keep selling to fund AI infrastructure, convertible note puts and buybacks.
Major U.S. public Bitcoin miners including Cipher Digital, Bitfarms, and Core Scientific are selling Bitcoin holdings and rebranding to chase AI/HPC leases with hyperscalers like Microsoft and Google, amid industry-wide profitability challenges.