Funding
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Hudson River Trading

Activity from announced rounds

Activity in this selectionSeries B

Hudson River Trading is the investor identified by co-investor announcements for Eridu and PicoJool.

Recorded funding activity

PicoJool builds optical chips and transceiver modules for data-center connections. Polaris develops optical interconnects, while Positron develops inference hardware and software. These covered companies address different parts of high-performance computing systems.

Sources
Rounds participated in
4
Confirmed lead rounds
0
1 roles undisclosed
New companies
4
First participation on record · 0 follow-on
Funding in participating rounds
$787M
4 disclosed · full round size, not this investor’s share

By stage

Series B4

By primary sector

Hardware3
AI1

By country

United Kingdom2
United States2

Rounds

4 in this selection
Salience Labs

Salience Labs develops silicon photonic switches for datacenter operators connecting large AI computing clusters.

$125MSeries B
Participant
Polaris Electro-Optics

Optical interconnect technology for moving data between AI and data-center systems with lower power consumption.

$50MSeries B
Participant
Gimlet Labs

Provides a cloud inference platform and compiler that distribute AI workloads across different processor types.

$300MSeries B
Participant
Olix

Develops optical digital processors specialized for AI inference workloads

$312MSeries B
Role not disclosed