Sequoia Capital

sequoiacap.com ↗Activity from announced rounds

Activity in this selectionUnited States · Oct 4, 2026 · Jul 7, 2026

Sequoia Capital partners with company founders from early ideas through growth. Explore its recorded funding activity, companies and co-investors on RoundOS.

Investment approach

Sequoia Capital is a venture investment firm that backs founders from the earliest stages of company building and supports them through growth and public-market milestones. Its published approach emphasizes early partnership and long-term work with a focused group of companies.

Funding activity recorded on RoundOS

The history below brings together financing announcements linked to Sequoia Capital, with company, stage and co-investor details. It includes participation in Instinct’s September 2026 financing; Sequoia also lists Instinct among its own portfolio companies. The table reflects the announcements recorded by RoundOS, rather than a complete portfolio register.

Sources
Rounds participated in
16
Confirmed lead rounds
2
8 roles undisclosed
New companies
14
First participation on record · 2 follow-on
Funding in participating rounds
$7.4B
16 disclosed · full round size, not this investor’s share

By stage

Series C+9
Series B3
Undisclosed3
Seed1

By primary sector

AI5
Hardware2
Mobility2
Biotech1
Climate tech1
5 more
Cybersecurity1
Defense tech1
Enterprise software1
Fintech1
Healthtech1

By country

United States16

Rounds

16 in this selection
Augmeta

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

$3MSeed
Participant
Instinct

AI assistant agent that organizes users' lives via texts and calls

$1BSeries C
Participant
Factory

Develops AI agents for enterprise engineering teams

$200MFunding
Role not disclosed
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
Cymphony

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

$30MFunding
Lead
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
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

AI-native ERP platform where finance teams and AI agents run accounting together

$100MSeries C
Role not disclosed
Etched

Etched designs AI chips and full systems that run various artificial‑intelligence models

$700MSeries D
Participant
Neros Technologies

Designs and manufactures autonomous and interceptor drones for military applications

$250MSeries C
Role not disclosed
Valar Atomics

Builds small modular nuclear reactors for AI data centers and industrial power

$1BSeries B
Role not disclosed
Etched

Etched designs AI chips and full systems that run various artificial‑intelligence models

$300MSeries C
Role not disclosed
Bunkerhill Health

Bunkerhill Health builds an agentic AI platform for health systems to turn their ideas into reality

$25MSeries B
Role not disclosed
Senra Systems

Software-driven manufacturing company modernizing wire harness production

$65MSeries B
Role not disclosed
Chai Discovery

Building AI models to accelerate pre-clinical drug discovery

$400MSeries C
Role not disclosed