Hudson River Trading

Activity from announced rounds

Activity in this selectionOct 17, 2026 · Sep 18, 2026

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
2
Confirmed lead rounds
0
All roles disclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$152.5M
2 disclosed · full round size, not this investor’s share

By stage

Series A1
Series B1

By primary sector

Hardware2

By country

United Kingdom1
United States1

Rounds

2 in this selection
Salience Labs

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

$125MSeries B
Participant
PicoJool

PicoJool develops optical chips and transceiver modules for high-bandwidth, low-power connections in AI data centres.

$27.5MSeries A
Participant