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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

Complete List of Greylock Portfolio Companies (202)

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#CompanyStageAmountLocation
151atSpokeSeries B$20.0MSan Francisco, United States
152Big Switch NetworksSeries Unknown$30.7MSanta Clara, United States
153Latent SpaceSeries A$7.5MSan Francisco, United States
154Skyhigh NetworksSeries D$40.0MCampbell, United States
155OperatorSeries B$15.0MSan Francisco, United States
156Simbi.comSeed$1.2MSan Jose, United States
157SpindleSeries Unknown$1.2MBoston, United States
158GathertheappSeedUndisclosedSan Francisco, United States
159EvertoonSeed$1.7MSan Francisco, United States
160WerckerSeries A$4.5MAmsterdam, The Netherlands
Software

atSpoke is a modern internal ticketing system.

San Francisco, United States
October 2017
$20.0M
Series B

Founder Contacts

19,000+ verified contacts

Data CenterInformation TechnologyNetwork SecuritySoftware

Big Switch Networks is the Cloud-First Networking company, offering a reimagined networking experience for hybrid IT

Santa Clara, United States
July 2017
$30.7M
Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)GamingMachine LearningSoftwareVideo Games

Latent Space is a developer of virtual reality technology intended to offer a fully artificial intelligence rendered 3D engine.

San Francisco, United States
April 2017
$7.5M
Series A

Founder Contacts

19,000+ verified contacts

Cloud SecurityCyber SecurityEnterprise Software

Manage shadow IT and securely enable sanctioned IT with unparalleled cloud visibility, threat detection, and policy enforcement.

Campbell, United States
September 2016
$40.0M
Series D

Founder Contacts

19,000+ verified contacts

E-CommerceE-Commerce PlatformsFashionSearch Engine

Operator is an online shop powered by a community of experts that offers a range of products from fashionable items and RTWs to home decors.

San Francisco, United States
September 2016
$15.0M
Series B

Founder Contacts

19,000+ verified contacts

CommunitiesFreelanceMarketplaceSocial

Simbi provides a community virtual currency for freelancers and independent workers to turn their unbooked hours into real economic value.

San Jose, United States
August 2016
$1.2M
Seed

Founder Contacts

19,000+ verified contacts

EventsLocation Based ServicesMobile

Spindle is a geo-restricted mobile app that provides information and updates on public events and places shared in Facebook and Twitter.

Boston, United States
June 2016
$1.2M
Series Unknown

Founder Contacts

19,000+ verified contacts

AppsVideoVideo Streaming

Get awesome video reactions on your iPhone.

San Francisco, United States
April 2016
Seed

Founder Contacts

19,000+ verified contacts

AppsMobileSoftware

Evertoon makes it easy to tell your story.

San Francisco, United States
March 2016
$1.7M
Seed

Founder Contacts

19,000+ verified contacts

Cloud ComputingEnterprise SoftwareSaaSSoftware

Wercker is a platform and tool to rapidly develop, build, and deploy containerized applications and microservices for the modern cloud.

Amsterdam, The Netherlands
January 2016
$4.5M
Series A

Founder Contacts

19,000+ verified contacts

Digital MediaMobileSocial Media MarketingVideo

Powering Vertical Content for Snapchat (Techstars/Disney Accelerator S14)

Venice, United States
January 2016
$3.0M
Series A

Founder Contacts

19,000+ verified contacts

InternetMobile AppsSoftware

Beep is to empower the world to build deeper connections through voice communication.

Venice, United States
January 2016
$2.2M
Seed

Founder Contacts

19,000+ verified contacts

Machine LearningSaaSSecuritySoftwareVideo

The real-time video search engine that powers cost-effective remote video monitoring.

San Mateo, United States
January 2016
Series Unknown

Founder Contacts

19,000+ verified contacts

Information ServicesInformation TechnologySoftware

STAND is a mobile application where you connect with people who inspire you to put your compassion into action.

San Francisco, United States
June 2015
$2.3M
Seed

Founder Contacts

19,000+ verified contacts

App DiscoveryIT ManagementSoftware

StacksWare is the premier agentless software asset management provider.

San Francisco, United States
June 2015
$2.0M
Seed

Founder Contacts

19,000+ verified contacts

LeisureSocial MediaTravel

The Last Guide Company provides products that make it easier and more fun to go out and explore.

San Francisco, United States
March 2015
Seed

Founder Contacts

19,000+ verified contacts

GamingMMO GamesMobile

Beyond Games provides online and interactive games for users across the United States.

San Francisco, United States
March 2015
$9.4M
Series A

Founder Contacts

19,000+ verified contacts

AppsSocial MediaSocial Network

Backplane believes that the future of social networking does not lie in an all-encompassing network, but in niche networks with purpose.

Palo Alto, United States
March 2015
$5.0M
Convertible Note

Founder Contacts

19,000+ verified contacts

EdTechEducationSemantic SearchSocial Media

EagerPanda is building a world where all of human knowledge is well organized and easily accessible.

Portola Valley, United States
March 2015
$1.0M
Convertible Note

Founder Contacts

19,000+ verified contacts

Developer APIsInformation TechnologySoftware

Handwriting.io develops digital handwriting technology.

New City, United States
February 2015
$3.2M
Series A

Founder Contacts

19,000+ verified contacts

Location Based ServicesNightclubsNightlife

WiGo allows users to know who at their school is going out and where their friends are headed.

Boston, United States
February 2015
$3.1M
Seed

Founder Contacts

19,000+ verified contacts

Business IntelligenceEnterprise SoftwareHuman ResourcesInformation TechnologySaaSSoftware

Parklet is working to radically improve the relationship between companies and their employees.

San Francisco, United States
February 2015
$1.5M
Seed

Founder Contacts

19,000+ verified contacts

File SharingInternetService Industry

A startup in the consumer internet space

San Francisco, United States
January 2015
$5.0M
Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Machine LearningMobileSemantic SearchSoftware

MindMeld is an advanced AI platform powering a new generation of intelligent conversational interfaces.

San Francisco, United States
December 2014
$13.0M
Series A

Founder Contacts

19,000+ verified contacts

Health CareiOSmHealth

First Opinion provides easy access to doctors within minutes.

San Francisco, United States
December 2014
$6.0M
Series A

Founder Contacts

19,000+ verified contacts

Showing 151-175 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, Mobile, Information Technology, Machine Learning, Enterprise Software. The firm invests across 53 different industry categories.

What is Greylock's largest investment?

Among tracked funding rounds, Skyhigh Networks received $40.0M 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.

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