Shares of MARA Holdings climbed 13% in premarket trading Friday, even after the Bitcoin miner reported a $1.71 billion net loss for the fourth quarter, as investors focused on the company’s shift toward artificial intelligence and high-performance computing.

The company posted a net loss of $1.71 billion for Q4 2025, compared with net income of $528.3 million during the same period a year earlier. Revenue for the quarter fell 6% to $202.3 million, according to a filing with the Securities and Exchange Commission, as lower Bitcoin prices offset gains from higher network hash rate.

The largest driver of the quarterly loss was a $1.5 billion negative revaluation of digital assets…

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