IREN’s AI cloud business generated more revenue than its bitcoin mining operations for the first time in the company’s fiscal 2026 fourth quarter, marking a decisive financial milestone in its move away from mining hardware and toward high-performance computing infrastructure. The shift came alongside a $684 million GAAP net loss, largely caused by non-cash charges from retiring mining equipment rather than by the company’s underlying operating performance.
The company reported quarterly revenue of $137.2 million, above the $136 million consensus estimate. AI cloud services contributed $70.5 million, or roughly 51% of total revenue, while bitcoin mining produced $66.7 million, according to IREN’s fiscal fourth-quarter results.
That revenue mix puts IREN’s largest operating segment in a business where contracts, data-center capacity and customer deployments increasingly matter more than bitcoin production volumes. The company expects to be largely finished with retirement of its mining fleet by the end of December 2026, accelerating a strategy that has reshaped both its asset base and earnings profile.
Mining-equipment write-downs drove reported loss
IREN’s GAAP loss was far larger than market expectations, with net loss reaching $684 million compared with an expected loss of $202 million. The difference was mainly linked to $552.5 million of non-cash charges associated with the mining exit.
Those charges included a $450.4 million impairment on retired mining equipment and a $102.1 million decline in the fair value of mining rigs classified as held for sale. Together, the items represented about 81% of the quarterly net loss.
An impairment occurs when a company determines that an asset is worth less than the value carried on its balance sheet. In IREN’s case, retiring and selling mining machines required the company to recognize the reduced value of equipment purchased for an earlier phase of its business.
Excluding the retirement-related and fair-value charges, IREN reported an adjusted loss per share of $0.41, better than the $0.50 loss expected by analysts. Adjusted EBITDA — a measure of earnings before interest, taxes, depreciation and amortization — was $19.2 million.
The result suggests that IREN’s transition is creating revenue at a faster pace than it is producing operating profit. AI cloud revenue has become the company’s largest source of sales, but the cost of replacing mining equipment, expanding data-center capacity and deploying advanced computing systems continues to weigh on near-term earnings.
AI contracts lift recurring-revenue target
IREN raised its target for signed annual recurring revenue to $4 billion for the fourth quarter. Signed ARR measures the annualized value of contracted revenue, rather than revenue already recognized in a reporting period.
Operating ARR stood at $1 billion as of Aug. 26, 2026, according to the company, double the level reported at the end of the quarter. IREN attributed the increase to delivery and customer acceptance of the Microsoft Horizon 1 project.
The distinction between signed and operating ARR is central to IREN’s current valuation challenge. Signed contracts can indicate future demand for computing infrastructure, but operating ARR reflects projects that are already installed, accepted by customers and producing recurring revenue. The gap between IREN’s $1 billion operating ARR and its $4 billion signed-ARR target leaves execution — including construction, equipment delivery and customer commissioning — as the company’s primary task.
IREN said its recent customer handover also relates to a $9.7 billion infrastructure agreement. The company is positioning these large enterprise arrangements as a replacement for the more variable economics of bitcoin mining, where revenue depends on bitcoin prices, network difficulty, machine efficiency and power costs.
Data-center construction becomes the main constraint
The company’s global data-center development pipeline now exceeds 5 gigawatts of capacity. IREN set delivery targets of 0.5 gigawatts in 2026 and 1.2 gigawatts in 2027.
Those figures place power access and construction execution at the center of the company’s business model. A gigawatt-scale pipeline gives IREN a large potential base for AI computing deployments, yet turning that capacity into revenue requires sites to be built, energized, equipped with servers and accepted by customers.
IREN is rebuilding locations previously associated with mining to support dense, liquid-cooled server systems designed for AI workloads. Liquid cooling is increasingly necessary for high-performance graphics processing units, which consume substantially more power and generate more heat than the application-specific machines commonly used in bitcoin mining.
The company has also pointed to deployments of Nvidia’s GB300 NVL72 platform, a rack-scale system combining 72 Blackwell Ultra graphics processing units. Such systems are designed for demanding AI training and inference work, though they also require substantial electrical capacity, networking and cooling infrastructure.
A shrinking mining fleet may alter IREN’s crypto exposure
The mining fleet retirement reduces IREN’s direct exposure to bitcoin production just as AI cloud contracts become more prominent in its revenue base. That changes the factors likely to drive the company’s results: data-center construction schedules, hardware availability, customer demand and contracted pricing could become more influential than bitcoin mining margins.
The shutdown and sale of mining equipment could also remove some hash rate from the Bitcoin network, depending on where the machines are redeployed. IREN has not provided a figure in its results for the amount of global hash rate that will be permanently removed through the retirements, and used equipment can continue operating if purchased by other miners.
For crypto-equity traders, the quarter offers a clearer view of IREN as an infrastructure operator with a diminishing mining component. The reported loss shows the financial cost of that repositioning, while the AI cloud revenue crossover and higher contracted-revenue target show why management is willing to absorb it.
To see how mining trends influence crypto prices, explore our guide on bitcoin volatility and market cycles.
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