Hudson River Trading

Activity from announced rounds

Activity in this selectionUnited States · Oct 4, 2026 · Jul 7, 2026
Rounds participated in
3
Confirmed lead rounds
0
All roles disclosed
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

Series B1
Series C+1
Undisclosed1

By primary sector

Hardware2
AI1

By country

United States3

Rounds

3 in this selection
Polaris Electro-Optics

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

$50MNew funding
Participant
Positron AI

Builds purpose-built hardware and software to make AI inference cheaper and energy-efficient

$875MSeries C
Participant
Gimlet Labs

Develops software for efficient AI inference across diverse hardware types

$300MSeries B
Participant