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Washington Harbour Partners

Activity from announced rounds

Activity in this selectionSpace tech

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
8
Confirmed lead rounds
0
7 roles undisclosed
New companies
6
First participation on record · 2 follow-on
Funding in participating rounds
$2B
7 disclosed · full round size, not this investor’s share

By stage

Series A3
Series C+3
Series B1
Undisclosed1

By primary sector

Space tech8

By country

United States8

Rounds

8 in this selection
Stoke Space Technologies

Stoke Space develops Nova rockets with reusable first and second stages for commercial and government launch customers.

$1BSeries E initial closing
Participant
Array Labs

Building a new way to understand the physical world

$21MStrategic
Role not disclosed
Apex

Apex manufactures configurable satellite platforms and provides mission services for commercial and national-security space programs.

>$200MSeries E
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
Turion Space

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

$75MSeries B
Role not disclosed
Citra Space

Develops space object identification and characterization technology

$15MSeries A
Role not disclosed
Stoke Space Technologies

Stoke Space develops Nova rockets with reusable first and second stages for commercial and government launch customers.

$860MSeries D
Role not disclosed
Array Labs

Building a new way to understand the physical world

$20MSeries A
Role not disclosed