Iris Energy Limited

NASDAQ Global Select
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Slightly Bullish +15

Why Investors Should Buy IREN Limited Over Nebius - 24/7 Wall St.

AI-generated analysis

📉 IREN reported Q2 revenue of $137.2 million, missing consensus by 2.52% due to a $684 million GAAP loss driven by a $450.4 million impairment on scrapped mining hardware.

💰 Customer prepayments funded roughly 96% of IREN's Microsoft GPU capex for Horizon 1, signaling strong capital efficiency despite the accounting loss.

🚀 Nebius Group reported Q2 revenue of $582.3 million, a 454% year-over-year increase that beat consensus estimates by 1.33%.

🤝 Nebius secured four landmark contracts averaging over $1 billion each, totaling $37.49 billion in remaining performance obligations.

⚡ IREN owns vertically integrated assets including power, land, and cooling across Texas, British Columbia, Oklahoma, Australia, and Spain with over five gigawatts of announced capacity.

📊 Nebius generated $285.7 million of adjusted EBITDA at a 50% margin through its AI Cloud unit in the second quarter.

⚠️ Nebius faces concentration risk as its top three customers accounted for 59% of total Q2 revenue.

📈 IREN targets FY2027 capex guidance between $25 billion and $30 billion to support its expansion into Horizons 2, 3, and 4.

🏗️ Nebius plans a Vera Rubin rollout starting late 2026 or early 2027 alongside $20 billion to $25 billion of 2026 capex.

📉 Stock performance diverges significantly with NBIS up 150% year-to-date versus IREN down 6%, reflecting market views on their respective risk profiles.

Bullish Signals
  • Customer prepayments funded approximately 96% of Microsoft GPU capex, demonstrating exceptional capital efficiency for a former miner pivoting to AI.
  • Horizon 1 successfully shipped to Microsoft with NVIDIA Exemplar Cloud status on GB300 NVL72 hardware.
  • IREN owns a vertically integrated supply chain including power, land, substations, cooling, and buildings across five countries with over five gigawatts of announced capacity.
  • Recent three-year contracts are priced at more than $20 million per megawatt of IT load, indicating strong pricing power in the infrastructure layer.
Risk Factors
  • The company recorded a $684 million GAAP net loss in Q2 driven by a $450.4 million non-cash impairment on decommissioned Bitcoin mining hardware.
  • Revenue of $137.2 million missed the $140.75 million consensus estimate by 2.52%.
  • The company faces execution risk regarding converting contracts into live gigawatts for Horizons 2, 3, and 4 targeting the December quarter.
  • Management targets roughly $8 billion more in GPU financing and prepayments, raising potential concerns about shareholder dilution if equity issuance is required.
Full Analysis
IREN Limited (NASDAQ: IREN) reported Q2 revenue of $137.2 million, missing consensus estimates by 2.52% due to a significant $684 million GAAP net loss driven largely by a $450.4 million non-cash impairment on decommissioned Bitcoin mining hardware. Despite the headline loss, the company demonstrated strong capital efficiency as customer prepayments funded approximately 96% of its Microsoft GPU capex for Horizon 1, which shipped with NVIDIA Exemplar Cloud status. In contrast to IREN's turnaround narrative, competitor Nebius Group (NASDAQ: NBIS) reported a robust 454% year-over-year revenue jump to $582.3 million, beating consensus estimates. Nebius secured four landmark contracts averaging over $1 billion each, resulting in $37.49 billion in remaining performance obligations and generating $285.7 million of adjusted EBITDA at a 50% margin. The article highlights a strategic divergence between the two AI infrastructure plays. IREN is vertically integrated, owning power, land, and cooling assets across multiple jurisdictions with over five gigawatts of announced capacity, aiming to convert contracts into live gigawatts by late 2026. Conversely, Nebius operates as a software-forward full-stack cloud provider with significant pricing power but faces concentration risk from its top three customers who generated 59% of Q2 revenue. Analyst sentiment suggests IREN is a contrarian opportunity for investors comfortable with execution risk regarding its 'Horizons' expansion and potential shareholder dilution, while Nebius is viewed as a safer compounder. The market has reacted differently to the two stocks, with NBIS surging 150% year-to-date compared to IREN's decline of 6%, creating a valuation gap that depends on whether CEO Daniel Roberts can deliver on his funding flywheel and capacity targets without excessive equity issuance.