IREN Limited’s stock jumped nearly 15% after reports emerged linking the company to a massive Anthropic data center tender in Australia.
The Australian Financial Review reported on July 5, 2026 that Anthropic is seeking to procure roughly 1.4 gigawatts of data center capacity in Australia, with an ambitious target of getting at least 1 GW operational by the end of 2027. The total project cost is estimated between $15B and $21.6B.
What IREN brings to the table
IREN announced an 800 megawatt AI and high-performance computing campus in Bundey, South Australia on June 3, 2026. The Bundey campus is described as one of the largest AI data center commitments in the Asia-Pacific region.
IREN is one of several shortlisted bidders for the Anthropic tender. CDC Data Centres and AirTrunk/NextDC are also in the running.
Recent signals suggest IREN and Anthropic may be nearing an agreement, which is the more likely catalyst for the 15% single-day move.
The Anthropic angle
Anthropic set up an Australian office earlier in 2026 and signed a non-binding memorandum of understanding with the Australian government in April 2026. Initial proposals for the data center tender were submitted in March 2026.
From Bitcoin to AI infrastructure
IREN’s pivot away from Bitcoin mining toward renewable-powered AI and high-performance computing is the underlying story that makes this contract speculation meaningful rather than just a one-day trade.
South Australia has historically been a leader in wind and solar generation within the Australian grid, which means IREN’s campus location isn’t just a real estate decision. It’s a pitch to counterparties who have ESG commitments baked into their procurement criteria.
For investors tracking IREN, the next meaningful catalyst is an official contract announcement from either company. A confirmed deal at the scale being discussed would represent a transformational revenue event for a company still building out its post-mining identity.