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Paul Tudor Jones Amplifies IREN (IREN) Holdings by 57% Amid AI Infrastructure Boom

Reported by Blockonomi
May 26, 2026· 3 min read
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Key Takeaways
  • • Paul Tudor Jones increased Tudor Investment Corp's IREN stake by 57% to approximately $73 million, doubling down on the AI infrastructure play amid a 500%+ stock surge this year.
  • • IREN's original position of 1.47 million shares, built at an average price of $10.05 per share in Q2, has generated an $84 million windfall as the stock trades near $67, representing over 560% gains in under six months.
  • • IREN secured a landmark $9.7 billion, five-year AI cloud services partnership with Microsoft, including a 20% upfront deposit and deployment of NVIDIA GB300 GPUs across its 750 MW Texas campus, validating the company's pivot from Bitcoin mining to AI infrastructure.
  • • JPMorgan analyst Reginald Smith characterized the Microsoft deal as a "validation" of IREN's AI strategy, noting it surprised skeptics and established a significant milestone in the company's evolution beyond cryptocurrency mining.
  • • Analyst consensus projects over 100% upside potential in IREN stock, though contrasting filings show Tudor Investment previously trimmed its IREN position by over 90% after a 300% run, capturing profits before the latest amplification.
Summary
Paul Tudor Jones's Tudor Investment Corp has significantly expanded its exposure to IREN Limited, the former Bitcoin miner-turned-AI-infrastructure operator, amplifying its holdings by 57% to approximately $73 million as the stock continues its extraordinary rally. The billionaire hedge fund manager's initial stake of 1.47 million shares, accumulated in the second quarter at an average price of $10.05 per share, has ballooned into an eight-figure position worth roughly $84 million, delivering over 560% in gains within six months. IREN stock has surged more than 500% year-to-date, reflecting substantial investor appetite for AI infrastructure assets.

The catalyst for this dramatic revaluation centers on IREN's transformational $9.7 billion, five-year AI cloud services agreement with Microsoft Corporation. The deal represents one of the largest AI infrastructure partnerships executed by a former cryptocurrency miner and includes a 20% upfront deposit valued at approximately $1.94 billion. Under the contract, IREN will deploy NVIDIA's GB300 graphics processing units across its substantial 750 megawatt Texas data center campus, cementing the company's strategic pivot away from digital asset mining toward artificial intelligence compute infrastructure.

JPMorgan analyst Reginald Smith validated IREN's strategic repositioning, describing the Microsoft partnership as a significant "validation" of the company's AI cloud services strategy that "surprised skeptics." The analyst's commentary underscores IREN's success in securing enterprise-scale commitments from tier-one technology partners, establishing credibility in a rapidly expanding AI infrastructure market where demand for compute capacity continues to accelerate.

Analyst consensus projects over 100% upside potential in IREN shares, reflecting confidence in the company's execution and market positioning. However, recent trading activity reveals complexity in institutional positioning: regulatory filings indicate Tudor Investment previously trimmed its IREN stake by more than 90% following a 300% advance, capturing substantial profits before the latest 57% increase in holdings. This tactical rebalancing suggests Jones's team remains attentive to valuation and market cycles while maintaining conviction in the company's long-term AI infrastructure thesis.

IREN is scheduled to report first-quarter earnings results on May 29, 2026, providing investors with critical updates on revenue recognition from the Microsoft partnership and operational metrics related to GPU deployment and data center utilization rates.

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Blockonomi Paul Tudor Jones Amplifies IREN (IREN) Holdings by 57% Amid AI Infrastructure Boom