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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)

Export
#CompanyStageAmountLocation
176Women.comSeed$1.8MSan Mateo, United States
177BrightSky LabsSeed$1.6MSan Jose, United States
178URXSeries A$12.0MSan Francisco, United States
179GigwalkSeries B$10.1MSan Francisco, United States
180PandoDailySeries A$1.2MSan Francisco, United States
181FreshplumSeed$1.0MSan Francisco, United States
182SparksSeed$2.3MCalifornia City, United States
183Union Bay NetworksSeed$1.9MSeattle, United States
184MatchboxSeries AUndisclosedCambridge, United States
185Shadow PuppetSeed$2.0MSan Francisco, United States
NewsSocial Media

Women.com a lifestyle destination & advice community that delivers inspiration and conversation around doing & having it all.

San Mateo, United States
August 2014
$1.8M
Seed

Founder Contacts

19,000+ verified contacts

AppsFilm ProductionVideo

Share the best parts of your GoPro videos.

San Jose, United States
June 2014
$1.6M
Seed

Founder Contacts

19,000+ verified contacts

App MarketingDigital MediaE-CommerceMobile

URX drives mobile commerce through relevant product ads.

San Francisco, United States
April 2014
$12.0M
Series A

Founder Contacts

19,000+ verified contacts

CrowdsourcingFreelanceInternetMarket ResearchMobileMobile AppsRetailSaaS

Gigwalk helps businesses manage channel execution at scale. Use of 1.2 Million Gigwalkers or Bring Your Own Team. All in one place

San Francisco, United States
March 2014
$10.1M
Series B

Founder Contacts

19,000+ verified contacts

Blogging PlatformsDigital MediaNews

PandoDaily is a web publication offering technology news, analysis, and commentary, focusing mainly on Silicon Valley and startup companies.

San Francisco, United States
February 2014
$1.2M
Series A

Founder Contacts

19,000+ verified contacts

AnalyticsE-Commerce

Freshplum offers data science-based technology that displays promotional offers to incentivize purchasing of website visitors.

San Francisco, United States
February 2014
$1.0M
Seed

Founder Contacts

19,000+ verified contacts

E-CommerceMessagingMobile

Sparks develops a platform that enables users to create memes on mobile.

California City, United States
October 2013
$2.3M
Seed

Founder Contacts

19,000+ verified contacts

Cloud InfrastructureData VisualizationSoftware

Union Bay Networks provides solutions that enable networking for cloud computing and software-defined data centers.

Seattle, United States
July 2013
$1.9M
Seed

Founder Contacts

19,000+ verified contacts

Enterprise ApplicationsEnterprise SoftwareSoftwareUniversities

Matchbox develops tools for universities to carry out inbound application processes.

Cambridge, United States
March 2013
Series A

Founder Contacts

19,000+ verified contacts

EducationMobile AppsPhotographyVideo

Shadow Puppet is a smart phone application that allows its users to talk and tell stories through pictures.

San Francisco, United States
March 2013
$2.0M
Seed

Founder Contacts

19,000+ verified contacts

ConsumeriOSMobile AppsSocial Media

Hangtime develops a mobile app that allows users to keep track of their friends' social plans.

San Francisco, United States
March 2013
$3.5M
Seed

Founder Contacts

19,000+ verified contacts

AppsiOS

Red Hot Labs is set off on a mission to create tools for app developers that we always wished we had.

San Francisco, United States
February 2013
$1.5M
Seed

Founder Contacts

19,000+ verified contacts

Cloud SecurityComputerCyber SecurityInternetNetwork SecuritySecurity

Morta Security is a stealth-mode startup developing solutions for cybersecurity.

Palo Alto, United States
February 2013
$1.0M
Seed

Founder Contacts

19,000+ verified contacts

MusicTVVideoVideo Streaming

Viki is a prime-time entertainment to new audiences and unlocks new markets and revenue opportunities for content owners.

San Mateo, United States
January 2013
Convertible Note

Founder Contacts

19,000+ verified contacts

Data CenterEnterprise SoftwareInfrastructure

ScaleIO develops ECS, a solution for data centers to cut storage costs and streamline storage operations.

Palo Alto, United States
December 2012
$12.0M
Series A

Founder Contacts

19,000+ verified contacts

Photo EditingPhotographyTV

Familiar transforms idle screens into all-in-one picture frames, screensavers, and TV channels personalized using smart screen technology.

Seattle, United States
September 2012
$1.3M
Seed

Founder Contacts

19,000+ verified contacts

Photo EditingPhotographyPrivate Social Networking

Lasso offers a mobile app that enables its users to share photos with their friends.

Englewood, United States
September 2012
$1.3M
Convertible Note

Founder Contacts

19,000+ verified contacts

AdvertisingContentMarketingSocial

WhoSay is a leading celebrity and influencer content marketing company.

New York, United States
July 2012
$12.0M
Series C

Founder Contacts

19,000+ verified contacts

Information TechnologyLocation Based ServicesSearch EngineSocial Media

Ark.com is a search engine enabling users to search for old classmates, new business contacts, and friends.

San Francisco, United States
April 2012
$4.2M
Seed

Founder Contacts

19,000+ verified contacts

E-CommerceOnline PortalsSubscription Service

Citrus Lane is the trusted destination for parents to discover, buy, and share the best products for their children

Mountain View, United States
April 2012
$5.1M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Enterprise SoftwareFinancial ServicesInformation TechnologyInternetMachine LearningSoftware

Sociogramics uses emerging data-sets coupled with machine learning expertise to improve online identity, employment and income verification.

Palo Alto, United States
April 2012
$300K
Seed

Founder Contacts

19,000+ verified contacts

AppsSocial MediaSocial NetworkSoftware

Instagram is a free photo-sharing application that enables its users to take photos, apply filters, and share them on social networks.

Menlo Park, United States
April 2012
$50.0M
Series B

Founder Contacts

19,000+ verified contacts

E-CommerceGiftOnline Portals

Wantful is an online gift-giving service that offers recommendations based on a recipient's style and interests.

Brooklyn, United States
March 2012
$5.5M
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyGeneticsNatural ResourcesSearch Engine

Warp Drive Bio develops genomic search engine and customized search queries that reveal hidden natural products based on genomic signature.

Cambridge, United States
January 2012
$125.0M
Private Equity

Founder Contacts

19,000+ verified contacts

Big DataE-CommerceEnterprise Software

Adku is a stealth startup providing big data and related services for e-commerce companies.

San Francisco, United States
December 2011
Series Unknown

Founder Contacts

19,000+ verified contacts

Showing 176-200 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 E-Commerce, Social Media, Software, Enterprise Software, Apps. The firm invests across 59 different industry categories.

What is Greylock's largest investment?

Among tracked funding rounds, Warp Drive Bio received $125.0M in a Private Equity 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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