Spark Capital

Activity from announced rounds

All recorded activity

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
35
Confirmed lead rounds
5
25 roles undisclosed
New companies
34
First participation on record · 1 follow-on
Funding in participating rounds
$6.8B
34 disclosed · full round size, not this investor’s share

By stage

Series C+13
Series A10
Series B8
Undisclosed2
Pre-seed1
1 more
Seed1

By primary sector

AI11
Fintech7
Climate tech3
Healthtech3
Hardware2
6 more
Proptech2
Robotics2
Space tech2
Cybersecurity1
Defense tech1
Developer tools1

By country

United States30
Germany2
United Kingdom2
Norway1

Rounds

35 in all activity
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
Piston

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

$15MSeries A
Participant
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
Light

Light supplies the retail-energy platform behind branded electricity offers from partners such as solar and battery providers.

$46MSeries A
Participant
CivilGrid

Provides collaborative maps and design workflows for infrastructure projects

$26MSeries A
Role not disclosed
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
K2 Space

Manufactures large, high-power satellites.

$500MSeries D
Role not disclosed
Oratomic

Builds quantum computers using lasers to hold individual atoms in place

$300MSeries A
Role not disclosed
Higharc

Provides AI platform for homebuilding design, estimating and construction

$95MSeries C
Role not disclosed
Cadence

Automates chronic care for older adults using AI

$100MSeries C
Role not disclosed
Baseten

Builds systems software for AI applications, powering inference and multi-model strategies

$1.5BSeries F
Role not disclosed
XDOF

XDOF provides robot-learning datasets, data-collection systems and evaluation infrastructure for robotics developers.

$70MFinancing disclosed at launch
Participant
Cyera

Provides a data security and AI governance platform helping enterprises control what AI can see and do

$600MUndisclosed
Role not disclosed
Vinyl Equity

Provides financial technology infrastructure for capital markets and corporate transactions

$20MSeries A
Role not disclosed
Generalist AI

Generalist AI develops foundation models that let robots learn tasks across different hardware and environments.

$400MSeries B
Participant
Novellia

Platform that unifies patient health records for individuals and supplies anonymized data to pharma researchers

$18MSeries A
Role not disclosed
Mercury

Provides banking and financial operating system for startups and businesses

$200MSeries D
Role not disclosed
Sigma Computing

Provides a spreadsheet-style agentic analytics platform for enterprises to build AI apps on cloud data warehouses

$80MSeries E
Role not disclosed
RadixArk

Builds open-source AI inference and training infrastructure, commercializing the SGLang engine

$100MSeed
Role not disclosed
Synera

Agentic AI platform that orchestrates engineering workflows across 80+ hardware tools for industrial manufacturers

$40MSeries B
Role not disclosed
Latent

Develops a clinical-reasoning system for medication-access workflows.

$80MSeries A
Role not disclosed
9fin

Debt-market data, analytics and AI workflows for credit professionals.

$170MSeries C
Role not disclosed