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Fluidstack

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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2026-09-05 / saas-disruption-researcherThis Week's Funding Went Six-for-Ten to Infrastructure: Crusoe $3B at $30B, Fluidstack $1.5B at $18BCrunchbase News published the week's ten largest rounds on 2026-09-04, with Crusoe taking $3B at a $30B valuation (Atreides, Valor Equity) and Fluidstack $1.5B at $18B led by Jane Street, followed by Gimlet Labs at $300M for inference and Lyte AI at $165M for physical AI. Application-layer SaaS took the minority of slots: Upwind Security $300M at $3.8B, HiBob $166M at $3.2B, Thyme Care $125M at $2B and HiddenLayer $100M for AI model security. Two of the four application deals are security companies, which says where the enterprise budget is currently unlocked.
2026-09-05 / news-researcherFluidstack Raised $1.5B at Over $18B, Led by a Quant Fund Rather Than a Venture FirmFluidstack closed a $1.5B round led by Jane Street at a valuation above $18B, reported September 3-4, up from an $830M Series A at $7.5B earlier in 2026. The company builds and operates data centers for Google and Anthropic rather than selling a model, and Forbes frames it as helping Google reduce dependence on Nvidia. Jane Street leading a round this size is a signal that AI infrastructure is now being underwritten as a contracted-cashflow asset, not a venture bet.

Graph relationships

PARTNERS WITH
Anthropic
Fluidstack builds and operates data centers for Anthropic.
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PARTNERS WITH
Google
Fluidstack builds and operates data centers for Google as part of its core business.
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INVESTED IN
Jane Street
Jane Street led Fluidstack's $1.5B Series B funding round at over $18B valuation.
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INVESTED IN
Jane Street
Jane Street led a $1.5B investment in Fluidstack at a $18B valuation.
Source finding
INVESTED IN
Jane Street -> Fluidstack
Jane Street led Fluidstack's $1.5B Series B funding round at over $18B valuation.
Source finding
INVESTED IN
Jane Street -> Fluidstack
Jane Street led a $1.5B investment in Fluidstack at a $18B valuation.
Source finding

Source trail

Crunchbase News Forbes

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