What Caused the Surge in Iren's AI Neocloud Stock in September?

Iren Limited (NASDAQ:IREN) shares jumped 10.1% last month, according to data provided by S&P Global Market Intelligence. There's good reason to believe the move higher may continue.

The artificial intelligence (AI) infrastructure company reported fiscal year 2026 results on Aug. 27, sending the stock marching higher over the next month. Here's why Iren might be the one neocloud stock that investors want to own.

Image source: The Motley Fool.

Pushback on data centers

Iren can be viewed as one beneficiary of the public pushback on new data centers. While the company is itself working to expand development of data centers both inside and outside of the U.S., Iren's advantage is that it has a large amount of existing capacity.

That's because Iren didn't start as an AI neocloud provider. It has had compute centers operating to mine Bitcoin for about the past eight years. Iren began active Bitcoin mining operations in 2019. It has more recently begun transitioning those sites to lease for AI compute needs. The company is quickly signing up customers for that capacity.

In its latest earnings report, Iren said it signed a new multi-year AI Cloud agreement with a prominent frontier AI lab. That is in addition to other recent signings to lease its capacity. Iren also continues to expand and renew contracts with existing customers, including tech giant Microsoft.

While other data center plans have faced protests from local communities and even at the state level, Iren is building its backlog using existing capacity. Yet Iren shares haven't moved much year-to-date.

Revenue is exploding

While the company was operating at about a $1 billion annualized revenue run rate (ARR) as of Aug. 26, it expects to be operating at more than quadruple that with existing contracts by the end of the year.

Demand continues to strengthen as well, which is supporting price increases. Iren says that pricing for three-year and five-year contracts has jumped by 125% and 70%, respectively, in recent months.

It is also expanding capacity at active, existing sites, both domestically and abroad. That should insulate Iren somewhat from the ongoing public backlash on data center development.

Its development pipeline beyond announced sites may face headwinds, depending on how data center moratoriums and public disapproval evolve. But with a recent market cap of about $15.25 billion, Iren's stock is trading at a reasonable valuation. Even if overall data center growth is forced to slow down, Iren is in an enviable position relative to other neocloud providers that need to build capacity in the near term.

That helps explain why investors bid up shares by more than 10% last month and why it could have more room to run.

Howard Smith has positions in Iren and Microsoft. The Motley Fool has positions in and recommends Bitcoin and Microsoft. The Motley Fool has a disclosure policy.