IREN
NASDAQ: IRENMost miners talk about diversifying into AI. IREN is the one actually unplugging the bitcoin rigs to make room.
Last verified: Jul 3, 2026
Who they are
IREN — known until its rebrand as Iris Energy — built its early reputation on renewable-powered bitcoin mining across sites in Canada and Texas. That was the whole pitch for years: clean power, efficient rigs, steady growth.
Then came arguably the boldest strategic reversal in the sector. IREN has announced it will wind down bitcoin mining entirely at its flagship Childress, Texas campus and convert the freed-up data centers to AI Cloud Services — not “add AI alongside mining,” but actively retire the mining business at that site. Few peers have committed this explicitly.
What they actually do
Sell AI cloud compute, increasingly as the core business. IREN signed a five-year, roughly $9.7 billion AI GPU services agreement with Microsoft — one of the largest such deals in the sector — and is racing to deploy a fleet approaching 150,000 Nvidia GPUs (B300s, with Blackwell systems on order via a separate agreement with Dell) to fulfill it. Management has targeted several billion dollars in annualized AI Cloud revenue by the end of 2026.
Wind down bitcoin mining, deliberately. Unlike peers keeping mining as a stable base while they add AI on top, IREN has stated that Childress mining operations will cease over time as those data centers are repurposed. IREN also liquidates all mined bitcoin daily — it holds no bitcoin treasury at all, which sets it apart from every other name in this value chain.
Build power at a scale that dwarfs its current usage. New campuses in Oklahoma (1.6 GW) and South Australia (800 MW) sit alongside existing sites, backed by customer prepayments, GPU financing, and convertible notes.
How they make money
Historically bitcoin mining revenue, sold immediately (no treasury). Now increasingly AI Cloud Services revenue under long-term contracts with hyperscale customers like Microsoft.
Where it sits in the value chain
The bigger trend it’s riding
IREN is the clearest, most committed version of the sector-wide pivot every other miner on this page is dabbling in. Where MARA, Riot, and CleanSpark frame AI hosting as a second business line, IREN is treating it as a replacement for the first. That makes it either the sector’s best proof-of-concept or its biggest execution bet, depending on how the Microsoft ramp goes.
What to watch (not what to do)
What to watch (not what to do)
- Earnings volatility from financial instruments. IREN's reported net income has swung by hundreds of millions of dollars quarter to quarter, largely from non-cash, mark-to-market items tied to its convertible notes — not from the underlying compute business. Read past the headline number.
- Whether the Childress wind-down completes on schedule. Converting a mining site to a liquid-cooled AI campus is a physical construction project, not a software update.
- The debt load funding all of this. Billions in convertible notes and GPU financing are underwriting a very capital-intensive build. Watch how that gets serviced if AI Cloud revenue ramps more slowly than planned.
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