Spark Capital

Activity from announced rounds

Activity in this selectionOct 24, 2026 · AI · 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
8
Confirmed lead rounds
3
4 roles undisclosed
New companies
7
First participation on record · 1 follow-on
Funding in participating rounds
$713.8M
7 disclosed · full round size, not this investor’s share

By stage

Series C+3
Series A2
Series B2
Pre-seed1

By primary sector

AI2
Fintech2
Climate tech1
Defense tech1
Developer tools1
1 more
Hardware1

By country

United States8

Rounds

8 in this selection
ASI

AI software for predicting and coordinating operations across aviation, energy grids and national security.

$325MSeries C
Lead
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