Spark Capital

Activity from announced rounds

Activity in this selectionmentors-fund-5fad8e7a
Rounds participated in
32
Confirmed lead rounds
4
25 roles undisclosed
New companies
31
First participation on record · 1 follow-on
Funding in participating rounds
$6.1B
31 disclosed · full round size, not this investor’s share

By stage

Series C+12
Series A10
Series B7
Pre-seed1
Seed1
1 more
Undisclosed1

By primary sector

AI10
Fintech7
Climate tech3
Healthtech3
Hardware2
5 more
Proptech2
Space tech2
Cybersecurity1
Defense tech1
Developer tools1

By country

United States27
Germany2
United Kingdom2
Norway1

Rounds

32 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
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
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

Builds optical interconnect technology 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

Manufacturer of big, 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
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
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

Builds Clinical Reasoning Engine to accelerate access to life-saving medications

$80MSeries A
Role not disclosed
9fin

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

$170MSeries C
Role not disclosed
Granola

AI note-taking app

$125MSeries C
Role not disclosed
Shepherd

Provides AI-native commercial insurance platform for construction and infrastructure projects

$42MSeries B
Role not disclosed
Qdrant

An open-source vector search engine.

$50MSeries B
Role not disclosed