Funding
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Jane Street

Activity from announced rounds

Activity in this selectionOct 22, 2026 · AI · Jan 1, 2026
Rounds participated in
3
Confirmed lead rounds
1
2 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$3.8B
3 disclosed · full round size, not this investor’s share

By stage

Series C+2
Undisclosed1

By primary sector

AI2
Hardware1

By country

United Kingdom2
United States1

Rounds

3 in this selection
Fluidstack

Fluidstack develops data centers and operates large-scale compute infrastructure for AI developers.

$1.5BUndisclosed
Lead
Etched

Designs AI inference hardware systems combining specialized chips, racks and software.

$300MSeries C
Role not disclosed
Nscale

Provides vertically integrated AI infrastructure for enterprise AI training, fine-tuning, and inference

$2BSeries C
Role not disclosed