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IREN Raises $3 Billion for AI Infrastructure Development

IREN has successfully raised $3 billion in convertible bonds to fund AI infrastructure, reflecting a broader mining industry shift towards AI.

Elena Volkov
May 15, 2026 2 min read
IREN Raises $3 Billion for AI Infrastructure Development

IREN, a prominent player in the Bitcoin mining and data center sector, has successfully raised $3 billion through the placement of convertible senior bonds, exceeding the initial offering target of $2.6 billion. Investors showed strong interest, fully exercising an option for an additional $400 million, resulting in net proceeds of approximately $2.96 billion after fees.

The bonds carry a 1% coupon rate and are set to mature in 2033, with a conversion premium fixed at 32.5%. This private placement was directed at institutional investors.

Of the total funds raised, around $201 million will be allocated for "limited call" transactions, a strategy aimed at shielding shareholders from potential dilution upon bond conversion. The remaining capital will support working capital and broader corporate initiatives.

IREN focuses on advancing infrastructure for cloud computing and artificial intelligence, operating data centers and a GPU fleet across North America, Europe, and the Asia-Pacific region.

Shift from Bitcoin Mining to AI

As reported by TheEnergyMag, the first quarter saw a decline in the Bitcoin network's total hashrate, dropping from 985 EH/s to 873 EH/s. This reduction is largely due to major mining firms transitioning towards AI and high-performance computing (HPC) infrastructure.

IREN recorded a significant decrease in its hashrate, falling from 42.96 EH/s to 35.83 EH/s, mirrored by Keel Infrastructure’s drop from 16.52 EH/s to 11.51 EH/s. Additionally, Cipher Digital has halted operations at its Black Pearl site to focus on AI development. Core Scientific is also scaling back, planning to retain only two cryptocurrency mining sites by year-end, following a substantial $266.5 million asset write-down, primarily related to mining equipment.

In contrast, other companies are capitalizing on the shift, with Riot Platforms increasing its hashrate to 42.29 EH/s and Bitdeer reaching 50.26 EH/s. American Bitcoin expanded its capacity to 28.1 EH/s, utilizing Bitcoin as collateral for new equipment purchases. This trend reflects a broader strategic pivot, as miners move away from cryptocurrency due to more stable profit margins in AI services. The chances of repurposed data centers returning to Bitcoin mining appear slim, according to industry insights from TheEnergyMag.

TeraWulf, another industry player, reported $34 million in revenue for the first quarter, with approximately $21 million derived from HPC services.