Sapphire Ventures

Activity from announced rounds

Activity in this selectionOct 18, 2026 · Jul 21, 2026

Sapphire Ventures invests in enterprise software and AI companies after product-market fit, focusing on expansion-stage businesses building toward category leadership.

The firm concentrates on a selected group of companies and works on scaling go-to-market, operations and leadership. Its platform includes executive talent introductions and connections to prospective customers and partners.

This model addresses the transition from a working product to an organisation capable of sustained enterprise growth: recruiting leadership, expanding distribution and building the operating capability around a larger customer base.

Sources
Rounds participated in
4
Confirmed lead rounds
0
2 roles undisclosed
New companies
3
First participation on record · 1 follow-on
Funding in participating rounds
$1.2B
4 disclosed · full round size, not this investor’s share

By stage

Series B2
Series C+2

By primary sector

AI1
Cybersecurity1
Defense tech1
Developer tools1

By country

United States4

Rounds

4 in this selection
Temporal

Temporal provides an open-source durable execution platform for long-running applications and AI agents.

$550MSeries E
Participant
Gimlet Labs

Provides a cloud inference platform and compiler that distribute AI workloads across different processor types.

$300MSeries B
Participant
Smack Technologies

Frontier AI lab building domain-specific decision-making models for the military

$61MSeries B
Role not disclosed
Horizon3

Runs autonomous AI-driven penetration testing to secure enterprise networks

$250MSeries E
Role not disclosed