Riot Platforms stock surges on $9.1 billion data center deal with Anthropic

Riot Platforms stock surges on $9. 1 billion data center deal with Anthropic Ines Ferré · Senior Business Reporter Tue, August 11, 2026 at 3:21 PM GMT+2 1 min read RIOT ANTH. PVT BTC-USD What happened: Riot Platforms ( RIOT ) stock surged 17% in premarket trading on Tuesday.

What's behind the move: The bitcoin mining company, which has pivoted toward selling data center capacity, signed a deal with a major AI developer, widely reported to be Anthropic ( ANTH. PVT ), in a transaction valued at $9. 1 billion.

"Today's announcement of a landmark 20-year, 191-megawatt data center lease with a leading frontier AI lab marks a defining moment in our evolution into a leading developer of large-scale data centers," Riot CEO Jason Les said in the company's earnings release. Riot also reported second quarter revenue of $174 million, up 14% year over year, driven by growth in its data center and engineering businesses. What else you need to know: Riot Platforms and other bitcoin miners have increasingly leaned into leasing data center capacity as the crypto industry navigates a "winter" and demand for computing power has skyrocketed.

In January of this year, Riot announced its first major deal with AMD ( AMD ) at its campus in Rockdale, Texas. Year-to-date, Riot stock is up 37%. Ines Ferre is a senior business reporter for Yahoo Finance.

Follow her on X at @ines_ferre .