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Washington Harbour Partners

Activity from announced rounds

Activity in this selectionmolten-ventures-abca9cd5
Rounds participated in
16
Confirmed lead rounds
0
15 roles undisclosed
New companies
14
First participation on record · 2 follow-on
Funding in participating rounds
$4.4B
15 disclosed · full round size, not this investor’s share

By stage

Series A5
Series B4
Series C+4
Growth1
Seed1
1 more
Undisclosed1

By primary sector

Space tech8
Defense tech5
Climate tech1
Developer tools1
Industrial tech1

By country

United States16

Rounds

16 in this selection
Hadrian

Builds highly automated factories producing defense and aerospace systems

$1.4BSeries D
Role not disclosed
Mariana Minerals

Builds and operates AI-driven mines and refineries for critical minerals

$310MSeries B
Role not disclosed
Array Labs

Building a new way to understand the physical world

$21MStrategic
Role not disclosed
Apex

Manufacturer of configurable satellite platforms for commercial and national security constellations

>$200MGrowth
Role not disclosed
NinjaOne

Provides a unified IT operations platform for simplifying work

$400MSeries C
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

Makes silicon photonics optical gyroscopes for high-precision inertial navigation in GPS-denied environments

$25MSeries B2
Role not disclosed
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
Citra Space

Develops space object identification and characterization technology

$15MSeries A
Role not disclosed
Worldscape.ai

Provides AI-native geospatial intelligence software for defense and enterprise applications

$6MSeed
Role not disclosed
Smack Technologies

Frontier AI lab building domain-specific decision-making models for the military

$32MSeries A
Role not disclosed
Standard Nuclear

Produces TRISO nuclear fuel for advanced nuclear reactors

$140MSeries A
Role not disclosed
Array Labs

Building a new way to understand the physical world

$20MSeries A
Role not disclosed