Is It Too Late to Buy IREN Stock After Its Monster Run?
IREN (NASDAQ: IREN), a company pivoting from Bitcoin mining to AI cloud services, has seen its shares rise 414% over two years. It secured a $9.7B cloud contract with Microsoft and has $4B in annualized revenue run rate (ARR) contracted. Despite a 40% drop from its 52-week high, IREN plans significant capital expenditures for fiscal 2027, aiming to capitalize on AI demand.
How this was made

The 30-second read
Why it matters
The Microsoft contract provides a clear revenue runway and validates IREN's strategic pivot, potentially re‑rating the stock.
Market read
A micro‑cap securing a multi‑billion deal with a tech giant is a rare catalyst that can move the stock sharply.
What to watch
Execution risk of commissioning new GPU clusters and reliance on a single large customer.
Background
IREN, formerly Iris Energy, is transitioning from Bitcoin mining to AI cloud services, leveraging its 5 GW power base and GPU inventory.
Ticker impact
Announced a $9.7 billion five‑year cloud contract with Microsoft, projecting $1.94 billion annualized revenue run‑rate.
Potential upside as the market prices in higher ARR and cash flow visibility.
Large multi‑year deal with a Tier‑1 cloud provider is material for a micro‑cap and likely to drive buying interest.
Market effects
Strengthens the AI‑infrastructure niche and may boost related GPU‑mining and data‑center stocks.
Highlights North American and European AI‑cloud capacity growth.
Shows how legacy mining assets can be redeployed for AI, a trend of interest worldwide.
Counterpoint
The massive capital spend and debt load could strain cash flow if GPU pricing softens.
Key entities
- partnerMicrosoft
Signed a $9.7 billion cloud contract with IREN.




