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Greylock Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: June 2026

Greylock Investment Overview

Portfolio Companies
202
Total Invested
$4.1B
Average Investment
$33.0M

Greylock's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Chia Network2021Series D$61.0MSan Francisco
Common Room2021Series B$32.3MSeattle
100Plus2021Seed$25.0MSan Francisco
Neeva2021Series B$40.0MMountain View
Reduct2021Seed$4.0MSan Francisco
LiquidSpace2020Series Unknown$8.0MPalo Alto
Synack2020Secondary MarketUndisclosedRedwood City
Radish2020Series A$63.2MNew York
Caffeine2020Series D$113.0MRedwood City
Arista NDR2020Series C$36.0MSanta Clara

Complete List of Greylock Portfolio Companies (202)

Export
#CompanyStageAmountLocation
126Chia NetworkSeries D$61.0MSan Francisco, United States
127Common RoomSeries B$32.3MSeattle, United States
128100PlusSeed$25.0MSan Francisco, United States
129NeevaSeries B$40.0MMountain View, United States
130ReductSeed$4.0MSan Francisco, United States
131LiquidSpaceSeries Unknown$8.0MPalo Alto, United States
132SynackSecondary MarketUndisclosedRedwood City, United States
133RadishSeries A$63.2MNew York, United States
134CaffeineSeries D$113.0MRedwood City, United States
135Arista NDRSeries C$36.0MSanta Clara, United States
BlockchainCryptocurrencyFinTech

Chia Network is building a blockchain platform based on Proofs of Space and Time.

San Francisco, United States
May 2021
$61.0M
Series D

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Contact ManagementGenerative AIMarketing AutomationSales Automation

Know who to target, when to engage, and how to convert with the most informed GTM AI.

Seattle, United States
April 2021
$32.3M
Series B

Founder Contacts

19,000+ verified contacts

Consumer ElectronicsFitnessHealth CareSoftwareWellness

100Plus is the fastest-growing Remote Patient Monitoring Platform for doctors to manage their chronic patients to avoid episodic care.

San Francisco, United States
March 2021
$25.0M
Seed

Founder Contacts

19,000+ verified contacts

InternetSearch Engine

Neeva is an ad-free, private search engine that helps its users find exactly what matters to them.

Mountain View, United States
March 2021
$40.0M
Series B

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Machine LearningSoftwareVideo

Reduct is an AI-powered cloud video platform that aims to allow for richer human communication.

San Francisco, United States
February 2021
$4.0M
Seed

Founder Contacts

19,000+ verified contacts

Collaborative ConsumptionCoworkingPeer to PeerReal EstateReal Time

LiquidSpace supports Work From Anywhere with a platform that makes it easy to discover, transact, and manage your office needs on-demand.

Palo Alto, United States
November 2020
$8.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Cyber SecurityNetwork SecuritySecurity

Synack is a crowdsourced security platform that utilizes augmented intelligence to discover and secure vulnerable applications.

Redwood City, United States
October 2020
Secondary Market

Founder Contacts

19,000+ verified contacts

AppsMedia and EntertainmentMobile AppsPublishingReading Apps

Radish is a mobile fiction platform for serialized storytelling.

New York, United States
August 2020
$63.2M
Series A

Founder Contacts

19,000+ verified contacts

BroadcastingMedia and EntertainmentSocial MediaVideo GamesVideo Streaming

Caffeine is a new kind of broadcast company focused on the creation and distribution of live, interactive content.

Redwood City, United States
July 2020
$113.0M
Series D

Founder Contacts

19,000+ verified contacts

Cloud SecurityCyber SecurityNetwork SecuritySecuritySoftware

Arista NDR is a provider of NDR solution that's capable of detecting & visualizing behavioral, mal-intent & compliance incidents.

Santa Clara, United States
April 2020
$36.0M
Series C

Founder Contacts

19,000+ verified contacts

GamingSoftwareWeb Development

Game Closure develops multiplayer gaming technology that helps compile, accelerate and deploy games.

Mountain View, United States
September 2019
Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Customer ServiceEnterpriseNatural Language ProcessingSoftware

Intelligent voice-based conversational agents for the enterprise

Mountain View, United States
May 2019
Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Communications InfrastructureEnterprise SoftwareSaaSSoftwareVirtualization

Automate Any Revenue Process With #Hyperautomation

San Francisco, United States
April 2019
$8.0M
Series A

Founder Contacts

19,000+ verified contacts

Cyber SecurityDeveloper ToolsSaaSSoftware

Sqreen is a monitoring and protection platform made to be incredibly powerful yet very easy to use.

San Francisco, United States
April 2019
$14.0M
Series A

Founder Contacts

19,000+ verified contacts

AdvertisingAnalyticsBrand MarketingContentContent MarketingDigital MarketingDigital MediaSaaSSoftware

Customer Journey Intelligence

New York, United States
January 2019
$20.0M
Series B

Founder Contacts

19,000+ verified contacts

AutomotiveConsumerE-CommerceLogisticsMarketplace

YourMechanic is an online marketplace enabling consumers and fleets to get over 500 auto services directly at their homes, offices and lots.

Mountain View, United States
October 2018
$10.2M
Series B

Founder Contacts

19,000+ verified contacts

AnalyticsSoftware

RevUp Software is bringing leading-edge, easy to use analytics to Non-Profits, Academic Institutions and Political Organizations.

Redwood City, United States
October 2018
$7.5M
Series A

Founder Contacts

19,000+ verified contacts

Information TechnologyLife ScienceSoftwareSoftware Engineering

EveryTeam is a modern repository that connects and organizes all your team’s shared information.

San Francisco, United States
June 2018
$3.0M
Seed

Founder Contacts

19,000+ verified contacts

AnalyticsCloud Data ServicesCloud InfrastructureSaaSSoftware

Avi Networks is a cloud application services platform that offers software load balancer, web application, and API security solutions.

Santa Clara, United States
June 2018
$60.0M
Series D

Founder Contacts

19,000+ verified contacts

AutomotiveAutonomous VehiclesEnterprise Software

DeepScale is a technology company that develops perceptual systems for semi-autonomous and autonomous vehicles

Mountain View, United States
April 2018
$760K
Grant

Founder Contacts

19,000+ verified contacts

AppsMessagingSoftware

Mirror uses a single selfie to instantly create hundreds of emoji that look like you and your friends.

San Francisco, United States
March 2018
Seed

Founder Contacts

19,000+ verified contacts

Consumer ElectronicsMedia and EntertainmentSoftwareVideo Streaming

Caavo is an entertainment obsessed hardware and software company

San Francisco, United States
December 2017
$17.5M
Series B

Founder Contacts

19,000+ verified contacts

AnalyticsCloud Data ServicesCyber SecurityData Center AutomationData VisualizationGPUIT ManagementSecurity

Help every analyst investigate like 10 analysts.

Oakland, United States
November 2017
Series Unknown

Founder Contacts

19,000+ verified contacts

AdvertisingArtificial Intelligence (AI)Cloud ComputingCyber SecurityDigital MarketingDigital MediaInternetMobileSoftware

Instart helps hundreds of leading enterprises around the world deliver a faster, safer and more profitable digital experience.

Palo Alto, United States
November 2017
$30.0M
Series E

Founder Contacts

19,000+ verified contacts

AppsComputerContact ManagementSocialSoftware

Trimian is a company dedicated to creating new tools for professionals on the go.

Menlo Park, United States
October 2017
$3.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

Showing 126-150 of 202 portfolio companies

Frequently Asked Questions About Greylock

How many companies has Greylock invested in?

Greylock has invested in 202 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Greylock invest in?

Greylock's top investment sectors include Software, Artificial Intelligence (AI), Cyber Security, SaaS, Analytics. The firm invests across 72 different industry categories.

What is Greylock's largest investment?

Among tracked funding rounds, Caffeine received $113.0M in a Series D round. Greylock's total known invested capital is $4.1B.

What is the average investment size for Greylock?

Greylock's average investment size is $33.0M across its portfolio of 202 companies.

What are Greylock's most recent investments?

Recent Greylock portfolio additions include Chia Network, Common Room, 100Plus, Neeva, Reduct. These companies were founded in 2020 or later.

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