Spark Capital

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Hardware · Jul 27, 2026

Spark Capital is a venture investor that works with founders during early company development, with an emphasis on product judgment and founder-led businesses.

Spark’s stated approach favours sustained company building over short-term resale or financial engineering. It offers direct advice while leaving founders responsible for running their companies, rather than prescribing a single operating formula.

Sources
Rounds participated in
6
Confirmed lead rounds
3
3 roles undisclosed
New companies
6
First participation on record · 0 follow-on
Funding in participating rounds
$1.9B
5 disclosed · full round size, not this investor’s share

By stage

Series C+4
Series A2

By primary sector

Climate tech2
Space tech2
Defense tech1
Hardware1

By country

United States6

Rounds

6 in this selection
Rune

A modular clean-compute platform that deploys GPU clusters at renewable-energy sites without building a conventional data center.

$40MSeries A
Lead
TAR

Modular off-grid power systems help AI data centers secure dependable electricity outside constrained grids.

$120MSeries A
Lead
Stoke Space Technologies

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

$1BSeries E initial closing
Lead
Neros Technologies

Designs and manufactures autonomous and interceptor drones for military applications

$250MSeries C
Role not disclosed
Lumilens

Lumilens develops optical interconnects for connecting GPUs in AI data centers.

>$700MSeries C
Role not disclosed
K2 Space

Manufactures large, high-power satellites.

$500MSeries D
Role not disclosed