Undisclosed · AI

Fluidstack reportedly closes $1.5 billion round led by Jane Street

The AI infrastructure company was valued above $18 billion, according to Forbes.

Fluidstack closed a $1.5 billion financing led by Jane Street, Forbes reported on September 3, citing sources close to the company. The transaction valued the business above $18 billion. Fluidstack declined to comment.

The company builds and operates infrastructure for AI computing, combining data center development with power capacity and large accelerator clusters. Its expansion includes new facilities in the United States.

Use of funds

AI data center development

Funding history

Undisclosed · This round$1.5B

Sources

  1. Fluidstack closes previously unreported $1.5 billion financingforbes.com · Sep 3, 2026
  2. fluidstack.io