Spark Capital

Activity from announced rounds

Activity in this selectionOct 22, 2026 · AI · Jul 25, 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
7
Confirmed lead rounds
2
4 roles undisclosed
New companies
6
First participation on record · 1 follow-on
Funding in participating rounds
$388.8M
6 disclosed · full round size, not this investor’s share

By stage

Series A2
Series B2
Series C+2
Pre-seed1

By primary sector

Fintech2
AI1
Climate tech1
Defense tech1
Developer tools1
1 more
Hardware1

By country

United States7

Rounds

7 in this selection
HiringCafe

A job-search platform whose AI agent matches a person's resume and preferences to roles indexed from employer career pages.

$6.8MPre-seed
Lead
Rune

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

$40MSeries A
Lead
Piston

A cardless fuel-payment network connects commercial fleets and stations with real-time controls for every fill.

$15MSeries A
Participant
Standard Metrics

AI-driven portfolio management platform for VC and private equity firms

$20MSeries B
Role not disclosed
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
Convex

Convex provides a reactive backend with database, functions, workflow, and storage.

$57MSeries B
Role not disclosed