Sequoia Capital

sequoiacap.com ↗Activity from announced rounds

Activity in this selectionUnited States · Oct 21, 2026 · Jul 24, 2026

Sequoia Capital backs founders from the earliest stages of company formation through growth. Arc is its entry point for pre-seed and seed teams.

Arc is Sequoia’s twice-yearly open call for pre-seed and seed founders. The programme includes a four-day intensive focused on customer understanding, product-market fit, team building and growth strategy.

Sequoia can invest before a business has revenue or even a settled product idea. Its Arc materials describe backing NVIDIA as a founding team and Wiz before its initial idea was fixed, illustrating the company-formation stage at which a founder can engage.

Sources
Rounds participated in
21
Confirmed lead rounds
6
2 roles undisclosed
New companies
16
First participation on record · 5 follow-on
Funding in participating rounds
$9.4B
21 disclosed · full round size, not this investor’s share

By stage

Series C+12
Undisclosed3
Seed2
Series B2
Growth1
1 more
Series A1

By primary sector

AI7
Developer tools3
Defense tech2
Healthtech2
Climate tech1
6 more
Cybersecurity1
Enterprise software1
Fintech1
Hardware1
Mobility1
Robotics1

By country

United States21

Rounds

21 in this selection
Blacksmith

Cloud infrastructure for building and testing software through continuous integration workflows.

$66MSeries C
Lead
Abby Care

Abby Care trains and supports eligible family members as paid caregivers, combining nurse-led care management with software that documents care at home.

$82MSeries C
Participant
TypeSafe AI

Developer infrastructure that turns unstructured inputs into typed decisions and probability scores for automated software workflows.

$870MSeries A
Participant
Mecka

Data collection, evaluation and integration infrastructure for teams training robots and deploying them in commercial environments.

$60MSeries B
Lead
Healthleap

Healthleap develops clinical AI software that helps hospital teams identify patients needing further assessment.

$8MSeed
Lead
Augmeta

AI operators monitor business KPIs and take action to protect revenue or find growth opportunities.

$3MSeed
Participant
Instinct

Develops a personal AI assistant that carries out everyday tasks through text and phone calls.

$1BSeries C
Participant
Silk

Cloud data infrastructure for running demanding applications and AI workloads against live production data.

$45MGrowth capital facility
Participant
Factory

Develops an autonomous software-development platform for enterprise engineering teams.

$200MFunding
Participant
Profound

Profound helps marketing teams measure how brands appear in AI-generated search answers and turn those findings into content and campaign workflows.

$180MSeries D
Lead
Temporal

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

$550MSeries E
Participant
Cymphony

An AI security platform maps workforce and agent access to company data so security teams can govern exposure.

$30MFunding
Lead
Mach Industries

Builds advanced unmanned aerial systems and vertically integrated manufacturing infrastructure for modern defense

$600MSeries C continuation
Role not disclosed
Clay

A go-to-market platform that combines customer and prospect data with AI research and automation tools for revenue teams.

$115MSeries D
Participant
The Boring Company

The Boring Company builds tunnel-boring machines and underground Loop passenger systems for cities and transport partners.

$3BSeries D
Participant
Harvey

Provides legal infrastructure for law firms and in-house teams

$550MSeries H
Participant
empirik.ai

empirik gives engineering teams an AI agent and live graph of their cloud, on-premises and SaaS estate to assess infrastructure changes before execution. It connects a proposed change to affected resources and services, calculates its blast radius, and routes a plan through approval, execution and verification workflows.

$21MFunding
Participant
Rillet

Rillet provides accounting software in which finance teams and AI agents work from a shared general ledger.

$100MSeries C
Participant
Etched

Designs AI inference hardware systems combining specialized chips, racks and software.

$700MSeries D
Participant
Neros Technologies

Designs and manufactures autonomous and interceptor drones for military applications

$250MSeries C
Role not disclosed
Valar Atomics

Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity.

$1BSeries B
Lead