Greylock

A venture capital firm that partners with early-stage companies, often providing the first institutional check at the Pre-Seed, Seed, or Series A stages.

Venture Capital Active Burlington, United States Est. 1965
Visit website ↗ LinkedIn
Last updated 2026-07-20
Portfolio
19
in our dataset
Rounds participated
37
Rounds led
14
Rounds' value
$3.4B
total disclosed, rounds participated
Stages
A Round, Seed, Pre-Seed

About

Greylock Partners is a venture capital firm that partners with early-stage companies, often providing the first institutional check at the Pre-Seed, Seed, or Series A stages. They focus on AI-first companies and invest in domains such as AI, cybersecurity, infrastructure, SaaS, consumer, and marketplaces. Greylock also offers Greylock Edge, a company-building program for pre-idea, pre-seed, and seed founders. Greylock has been active in Israel for over 20 years and considers it a core investment market, their second most active geography outside of the San Francisco Bay Area. They have a long track record of partnering with Israeli founders.

Portfolio · 19

Upwind
Upwind is a runtime-first cloud security leader that provides a comprehensive platform to secure public cloud environments.
Led ★ 5 rounds $730.0M committed Latest: 2026-09
Oak
An AI-native Identity Operating System for enterprise identity and access management.
Led ★ 1 round $60.0M committed Latest: 2026-07
OakMiner AI Inc. (Oakie.ai)
Oakie.ai offers AI agents designed to automate complex business processes for professionals and enterprises.
Led ★ 1 round $60.0M committed Latest: 2026-07
Stealth Mode Startup
A company operating in secrecy, limiting public knowledge until launch.
1 round $6.0M committed Latest: 2026-07
Cognifence
Developer of artificial intelligence infrastructure designed for the deployment of autonomous agent systems.
Led ★ 1 round Latest: 2026-06
CYLAKE TECHNOLOGIES ISRAEL LTD
Cylake is an Israeli cybersecurity startup building an AI-native, data-driven cybersecurity platform for on-premises or private cloud environments.
Led ★ 1 round $45.0M committed Latest: 2026-03
Cylake
Cylake is an AI-native cybersecurity platform designed for on-premises and private cloud deployment, ensuring full data sovereignty for regulated industries.
Led ★ 1 round $45.0M committed Latest: 2026-03
SEVEN INTELLIGENCE LTD
7AI is the foundational AI security company that uses AI agents to autonomously handle core SOC workflows such as alert triage, threat investigation, and incident response.
1 round $130.0M committed Latest: 2025-12
Tenzai
The world's most powerful AI hacker for AI-powered penetration testing.
Led ★ 2 rounds $107.0M committed Latest: 2025-11
Wiz
Wiz connects code, cloud, and runtime into a single security graph that provides the end-to-end context required to automate risk reduction and threat response, enabling security teams to operate at AI speed.
Led ★ 1 round $1.0B committed Latest: 2024-05
Blockaid
Blockaid is an onchain security platform that provides real-time monitoring, detection, and remediation of blockchain threats, protecting users from scams, phishing, and hacks.
Led ★ 2 rounds $33.0M committed Latest: 2023-10
Treat Virtual Adoption
A mobile platform that allows users to support animal shelters by playing games, earning real items like food and toys for shelter animals.
Led ★ 1 round $8.5M committed Latest: 2023-04
Cato Networks
Cato Networks provides a cloud-native Secure Access Service Edge (SASE) platform that converges networking and security functions into a single, globally distributed cloud service.
Led ★ 6 rounds $532.0M committed Latest: 2021-10
Houzz
An online platform for home remodeling and design, connecting homeowners and home professionals.
3 rounds $567.0M committed Latest: 2017-06
Supersonic
Supersonic is a mobile game publisher and studio that helps independent studios launch and scale casual and hybrid-casual mobile games.
Led ★ 2 rounds $21.2M committed Latest: 2014-07
Zerto
One continuous software experience for ransomware resilience, disaster recovery, and data mobility for on-premises and cloud.
Led ★ 4 rounds $60.0M committed Latest: 2014-06
Zend Technologies
Provider of products and services for developing, deploying and managing business-critical PHP applications.
Led ★ 2 rounds $29.0M committed Latest: 2010-05
Precise Software Solutions Inc.
Provider of performance management and advisor services intended for senior technology executives and helps government agencies enhance and expand their information technology capabilities.
1 round Latest: 2008
Unipier Mobile Ltd.
Pioneer of intelligent policy management for mobile network operators.
1 round $15.0M committed Latest: 2004-10

Q&A

What is Greylock's investment focus?
Greylock backs entrepreneurs who are building disruptive, market-transforming enterprise and consumer software companies. The firm invests in companies that define new markets.
What stages does Greylock typically invest in?
Greylock invests in Seed, Pre-Seed, and A Round stages.
Can you name some notable companies in Greylock's portfolio?
Greylock's portfolio includes companies such as Airbnb and Coinbase.
Where is Greylock headquartered?
Greylock is headquartered in Burlington, Massachusetts, United States.
Does Greylock have a LinkedIn presence?
Yes, Greylock maintains a LinkedIn presence at https://www.linkedin.com/company/18077.
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