Bitcoin miner TeraWulf shares surge on $19B Anthropic AI infrastructure lease deal

Bitcoin mining firm TeraWulf's shares rallied following news of a landmark $19 billion AI infrastructure lease agreement with Anthropic, alongside the completion of a joint venture sale reported by Cryptonews.

The deal centers on TeraWulf leasing its high-performance computing infrastructure and power capacity to Anthropic, providing the AI company with dedicated compute resources for training and inference workloads. At $19 billion, it ranks among the largest single infrastructure lease agreements in the AI industry to date.

TeraWulf, originally a pure-play Bitcoin mining company, operates extensive GPU clusters and maintains stable, long-term power purchase agreements. As cryptocurrency markets remain volatile, a growing number of mining operators are repurposing their infrastructure for AI compute services, and Anthropic's urgent need for massive compute capacity makes it an ideal counterparty.

The transaction carries strategic value for both parties. For Anthropic, accessing pre-built high-density compute infrastructure is significantly faster and more cost-effective than building from scratch, accelerating its next-generation model development. For TeraWulf, the lease represents a pathway from the volatile crypto mining business toward stable, long-term AI infrastructure services.

Markets reacted positively, with TeraWulf's stock price rising on the announcement. Investors are beginning to value the company not merely as a cryptocurrency miner but as an emerging AI infrastructure provider.

Looking ahead, the deal could accelerate a broader industry shift, as more crypto mining companies with power assets and data center capabilities reposition themselves to serve the AI sector. With AI model sizes continuing to grow, demand for specialized compute far exceeds current supply, giving mining operators with existing infrastructure a new strategic foothold in the AI ecosystem.