Xavier Niel

Activity from announced rounds

All recorded activity

Xavier Niel is the individual investor named in financing announcements from Arlequin AI, Gradium and AMI Labs.

Recorded funding activity

Arlequin develops data-analysis tools for governments and enterprises. Gradium develops low-latency voice models. These are personal investments recorded in RoundOS; Upstream’s separately reported financing is attributed to Kima Ventures.

Sources
Rounds participated in
3
Confirmed lead rounds
0
1 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$1.2B
3 disclosed · full round size, not this investor’s share

By stage

Seed2
Series A1

By primary sector

AI3

By country

France3

Rounds

3 in all activity
Arlequin AI

An AI data-analysis platform for governments and large organisations that connects fragmented records and surfaces traceable relationships for consequential decisions.

€28MSeries A
Participant
Gradium

Builds ultra-low-latency voice AI models for developers

$100MSeed
Role not disclosed
AMI Labs

AMI Labs develops world models that learn representations of sensor data to support prediction, memory and action planning.

$1BSeed
Participant