IREN Q4 2026: AI Cloud Revenue Hits $70.5M, ARR Reaches $1B, But $684M Loss from Mining Exit

The Quick Take

• IREN Ltd (IREN) reported Q4 AI Cloud revenue of $70.5 million with annual recurring revenue hitting $1 billion
• Contracted ARR stands at $4 billion, providing significant forward revenue visibility as the company pivots from Bitcoin mining to AI infrastructure
• A $684 million net loss reflects the steep cost of exiting cryptocurrency mining and transitioning to AI cloud operations

IREN Ltd reported a landmark Q4 for its AI Cloud segment, with revenue hitting $70.5 million in the quarter and ARR crossing $1 billion — milestones that validate the company's strategic pivot from Bitcoin mining to data center infrastructure serving AI workloads. The $4 billion in contracted ARR provides exceptional forward revenue visibility, a metric that AI infrastructure investors prize because it converts the capital-intensive buildout of GPU clusters into a predictable long-term income stream.

The $684 million net loss, while large in absolute terms, requires careful contextual reading: it largely reflects the accounting treatment of IREN's exit from cryptocurrency mining, including asset write-downs, contract termination costs, and the accelerated depreciation of mining hardware that has been replaced or decommissioned. Transformation-period losses of this type are non-cash-intensive relative to their headline size and typically normalize in subsequent quarters once the transition-related charges are fully recognized.

IREN's trajectory — from a Bitcoin mining company to an AI cloud infrastructure provider — mirrors the broader pivot of high-power density, specialized computing operators who recognized that AI model training and inference demand would represent a more durable and margin-accretive revenue source than cryptocurrency mining. Watch for IREN's Q1 2027 guidance, which will show the clean run rate of AI Cloud revenue without the mining exit distortions, and any announcements on new contracted ARR additions from hyperscaler or enterprise AI customers.

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