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Washington Harbour Partners

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Mobility · Jan 1, 2026

Washington Harbour Partners invests in technology businesses addressing US economic and national-security needs, including space, autonomous systems, cybersecurity, energy and the industrial base.

Its focus is on commercial technologies that fill specific mission gaps for government and enterprise customers. The investment team works alongside operating partners and advisers with experience in these sectors.

The firm emphasises access to end customers and understanding how the technology will be used. That is particularly relevant for founders whose route to scale depends on government procurement, defence requirements or deployment within critical infrastructure.

Sources
Rounds participated in
5
Confirmed lead rounds
0
4 roles undisclosed
New companies
4
First participation on record · 1 follow-on
Funding in participating rounds
$221M
5 disclosed · full round size, not this investor’s share

By stage

Series B3
Series A1
Undisclosed1

By primary sector

Space tech3
Defense tech2

By country

United States5

Rounds

5 in this selection
Array Labs

Building a new way to understand the physical world

$21MStrategic
Role not disclosed
Scout Space

Builds platform-agnostic in-space sensors and software to detect, track, and characterize orbital objects for SDA missions

$18MSeries A
Role not disclosed
ANELLO Photonics

ANELLO Photonics makes silicon-photonics gyroscopes and inertial navigation systems for vehicles operating where GPS is unreliable or unavailable.

$25MSeries B-2
Participant
Firestorm Labs

Develops containerized manufacturing platform for drone systems

$82MSeries B
Role not disclosed
Turion Space

Delivers space superiority via integrated spacecraft, sensors, and software for orbital intelligence

$75MSeries B
Role not disclosed