Sequoia Capital

sequoiacap.com ↗Activity from announced rounds

Activity in this selectionOct 16, 2026 · Jul 19, 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
22
Confirmed lead rounds
7
5 roles undisclosed
New companies
20
First participation on record · 2 follow-on
Funding in participating rounds
$8.7B
21 disclosed · full round size, not this investor’s share

By stage

Series C+9
Seed4
Series A4
Undisclosed3
Series B2

By primary sector

AI7
Cybersecurity3
Climate tech2
Enterprise software2
Fintech2
5 more
Hardware2
Defense tech1
Media & gaming1
Mobility1
Robotics1

By country

United States15
4
Israel2
United Kingdom1

Rounds

22 in this selection
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
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
Magentic

Magentic builds AI agents that automate procurement and supplier workflows for global manufacturers.

$18MSeries A
Participant
Factory

Develops an autonomous software-development platform 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
AIR

AIR helps security teams control AI agents, assess their add-ons and filter untrusted content entering agent workflows.

$50MTwo seed rounds
Lead
Rillet

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

$100MSeries C
Role not disclosed
Etched

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

$700MSeries D
Participant
Trajectory

A continual-learning platform that post-trains enterprise AI models using real product usage data.

$40MSeries A
Lead
PREVIEW

PREVIEW gives professional film teams one workspace for scripts, storyboards, shot lists, AI video generation and review.

$10MSeed
Lead
FORM ENERGY

Long-duration iron-air batteries designed to store electricity for multi-day grid needs.

$750MSeries G
Participant
Neros Technologies

Designs and manufactures autonomous and interceptor drones for military applications

$250MSeries C
Role not disclosed
CORMA

Defensive cybersecurity AI that works alongside security teams and their existing tools.

Lead
Valar Atomics

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

$1BSeries B
Role not disclosed
NXYZ

NXYZ provides real-time blockchain data APIs that help Web3 developers access indexed network activity in their applications.

$40MSeries A
Participant
Etched

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

$300MSeries C
Role not disclosed