FUNDING
Key Metrics
Total funding
$2.6B+
As of Sep 16, 2026Value Add Pulse research
Company Snapshot
Fluidstack is a AI infra company, based in London, England, UK, founded 2017. Latest valuation $7.5B (As of July 2026, Forbes). Total funding $2.6B+ (As of Sep 16, 2026).
Recent changes
- July 2026July 2026Valuation fell from $18B to $7.5B Forbes
- Sep 16, 2026Sep 16, 2026First reported total funding: $2.6B+ Value Add Pulse enrichment
- Sep 11, 2026Sep 11, 2026Pentagon Weighs $5B Loan For AI Cloud Startup Fluidstack Pulse story
- Sep 5, 2026Sep 5, 2026Jane Street Leads $1.5B Into Fluidstack at $18B Pulse story
- Sep 3, 2026Sep 3, 2026Raised $1.5B Growth at a $18B valuation Value Add Pulse enrichment
Earlier changes (5)
- Sep 3, 2026Sep 3, 2026Raised $1.5B at a $18B valuation Forbes
- Sep 3, 2026Sep 3, 2026First reported valuation: $18B Forbes
- Sep 3, 2026Sep 3, 2026New investor: Jane Street Forbes
- Jul 2026Jul 2026Raised $750M Growth at a $7.5B valuation Value Add Pulse enrichment
- 20192019Raised $3M Seed Value Add Pulse enrichment
Funding History
4 events · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Sep 3, 2026 | funding round | $1.5B | $18B | Jane StreetJane Street Capital outlined = lead | Forbes |
| Sep 3, 2026 | Growth | $1.5B | $18B | Value Add Pulse research | |
| Jul 1, 2026 | Growth | $750M | $7.5B | Value Add Pulse research | |
| Jan 1, 2019 | Seed | $3M | — | Value Add Pulse research |
Underlying values
| As of | Value | Method | Source |
|---|---|---|---|
| July 2026 | $7.5B | Reported | Forbes |
| Sep 16, 2026 | $18B | Reported | Value Add Pulse research |
| Sep 3, 2026 | $18B | Reported | Forbes |
| Sep 3, 2026 | $18B | Reported | Forbes |
Investors
Latest Pulse
- Sep 15, 2026Oracle, Microsoft And The Pentagon, By The NumbersValue Add Pulse tallies three numbers from the past week's AI infrastructure coverage -- Oracle's $664B cloud backlog, Microsoft's 38GW power target, and the Pentagon's proposed $5B loan to Fluidstack -- that together price the buildout's capital intensity.→
- Sep 11, 2026Pentagon Weighs $5B Loan For AI Cloud Startup FluidstackThe Pentagon's Office of Strategic Capital is negotiating what would be its largest loan ever -- not to build a new AI data center, but to shore up the supply chain behind the ones already under construction.→
- Sep 7, 2026TeraWulf's AI Data Center Has a Four-Company Accountability GapA fire at TeraWulf's $3.2 billion Lake Mariner AI data center exposed how the site's four-party structure -- TeraWulf, Fluidstack, Google and Anthropic -- leaves no single company clearly accountable when something goes wrong.→
- Sep 6, 2026Why AI Compute Swallowed the Week's Venture DollarsCrusoe, Fluidstack and Gimlet Labs closed $4.8 billion between them in five days, and every dollar landed in the layer between the chips and the models rather than in the applications built on top.→
- Sep 5, 2026Jane Street Leads $1.5B Into Fluidstack at $18BThe Oxford spinout that builds and operates data centers for Anthropic and Google has more than doubled its valuation since December, on the back of contracts it signed before it owned a single chip.→
Coverage Timeline
newest first- Sep 15, 2026FUNDINGOracle, Microsoft And The Pentagon, By The Numbers→
- Sep 11, 2026FUNDINGPentagon Weighs $5B Loan For AI Cloud Startup Fluidstack$5B loan (in talks)→
- Sep 7, 2026AITeraWulf's AI Data Center Has a Four-Company Accountability Gap→
- Sep 6, 2026FUNDINGWhy AI Compute Swallowed the Week's Venture Dollars$4.8B in five days→
- Sep 5, 2026FUNDINGJane Street Leads $1.5B Into Fluidstack at $18B$1.5B at $18B valuation→
All Coverage
FUNDING
Oracle, Microsoft And The Pentagon, By The Numbers
Value Add Pulse tallies three numbers from the past week's AI infrastructure coverage -- Oracle's $664B cloud backlog, Microsoft's 38GW power target, and the Pentagon's proposed $5B loan to Fluidstack -- that together price the buildout's capital intensity.
BY THE NUMBERS
FUNDING
Pentagon Weighs $5B Loan For AI Cloud Startup Fluidstack
FUNDING$5B loan (in talks)
Pentagon Weighs $5B Loan For AI Cloud Startup Fluidstack
The Pentagon's Office of Strategic Capital is negotiating what would be its largest loan ever -- not to build a new AI data center, but to shore up the supply chain behind the ones already under construction.
DEEP DIVE
AI
TeraWulf's AI Data Center Has a Four-Company Accountability Gap
AI
TeraWulf's AI Data Center Has a Four-Company Accountability Gap
A fire at TeraWulf's $3.2 billion Lake Mariner AI data center exposed how the site's four-party structure -- TeraWulf, Fluidstack, Google and Anthropic -- leaves no single company clearly accountable when something goes wrong.
DEEP DIVE
FUNDING
Why AI Compute Swallowed the Week's Venture Dollars
FUNDING$4.8B in five days
Why AI Compute Swallowed the Week's Venture Dollars
Crusoe, Fluidstack and Gimlet Labs closed $4.8 billion between them in five days, and every dollar landed in the layer between the chips and the models rather than in the applications built on top.
DEEP DIVE
FUNDING
Jane Street Leads $1.5B Into Fluidstack at $18B
FUNDING$1.5B at $18B valuation
Jane Street Leads $1.5B Into Fluidstack at $18B
The Oxford spinout that builds and operates data centers for Anthropic and Google has more than doubled its valuation since December, on the back of contracts it signed before it owned a single chip.
DEEP DIVE
Value Add Research
Related Companies
Sources & methodologyshow
Where these figures come from
- Forbesmajor outlet2 facts
- Value Add Pulse researchValue Add VC data4 facts
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.