Skip to main content
Back to Investors

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
Airspeed2023Seed$5.0MVancouver
Adept AI2023Series B$350.0MSan Francisco
HeadRace2023Seed$6.0MAustin
Matchday2023Seed$21.0MSan Francisco
Citymapper2023Equity CrowdfundingUndisclosedLondon
Nxyz2022Series A$40.0MMountain View
Falkon AI2022Series A$16.0MSeattle
Immigo2022Pre-Seed$1.1MSan Francisco
Magic Eden2022Initial Coin Offering$500KSan Francisco
Postscript2022Series C$65.0MScottsdale

Complete List of Greylock Portfolio Companies (202)

Export
#CompanyStageAmountLocation
101AirspeedSeed$5.0MVancouver, United States
102Adept AISeries B$350.0MSan Francisco, United States
103HeadRaceSeed$6.0MAustin, United States
104MatchdaySeed$21.0MSan Francisco, United States
105CitymapperEquity CrowdfundingUndisclosedLondon, United Kingdom
106NxyzSeries A$40.0MMountain View, United States
107Falkon AISeries A$16.0MSeattle, United States
108ImmigoPre-Seed$1.1MSan Francisco, United States
109Magic EdenInitial Coin Offering$500KSan Francisco, United States
110PostscriptSeries C$65.0MScottsdale, United States
Information ServicesInformation TechnologyInternetSaaS

Airspeed is a team-building platform for modern companies to connect digitally.

Vancouver, United States
May 2023
$5.0M
Seed

Founder Contacts

19,000+ verified contacts

Agentic AIArtificial Intelligence (AI)Foundational AIGenerative AIMachine LearningSoftware

Adept AI is a machine learning research platform that develops AI systems that enable human-computer collaboration.

San Francisco, United States
March 2023
$350.0M
Series B

Founder Contacts

19,000+ verified contacts

B2BPredictive AnalyticsRecruiting

Recruiting Democratized - The largest searchable network of boutique recruiters to save time & money on your next hire

Austin, United States
March 2023
$6.0M
Seed

Founder Contacts

19,000+ verified contacts

Information TechnologyInternetSportsVideo GamesWeb3

Matchday combines video games, sports, and Web3 in order to create an ecosystem of casual football (soccer) games.

San Francisco, United States
March 2023
$21.0M
Seed

Founder Contacts

19,000+ verified contacts

Big DataMobile AppsTransportationTravel

Citymapper is a transportation app created to address urban mobility challenges.

London, United Kingdom
January 2023
Equity Crowdfunding

Founder Contacts

19,000+ verified contacts

Blockchain

Nxyz mission to empower a new generation of builders and creators to build a better internet for all.

Mountain View, United States
October 2022
$40.0M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Machine LearningMarketingSalesSoftwareWeb Development

Falkon AI is an intelligence platform for marketing, sales, and account management teams.

Seattle, United States
September 2022
$16.0M
Series A

Founder Contacts

19,000+ verified contacts

CommunitiesContent CreatorsEdTechInformation Technology

Peer-to-peer, cohort-based English learning platform.

San Francisco, United States
August 2022
$1.1M
Pre-Seed

Founder Contacts

19,000+ verified contacts

CryptocurrencyInternetMarketplaceWeb3

Magic Eden is an NFT marketplace for users to discover, trade, and create NFTs.

San Francisco, United States
July 2022
$500K
Initial Coin Offering

Founder Contacts

19,000+ verified contacts

AdvertisingE-CommerceEnterpriseSales AutomationSMS

Postscript is an SMS platform that enables brands to communicate and engage with customers through text message marketing.

Scottsdale, United States
June 2022
$65.0M
Series C

Founder Contacts

19,000+ verified contacts

B2BE-CommerceMarketplaceRetailRetail TechnologyWholesale

Inventa is a wholesale marketplace that connects brands with independent retailers across Latin America.

São Paulo, Brazil
April 2022
$55.0M
Series B

Founder Contacts

19,000+ verified contacts

BlockchainCryptocurrencyDecentralized Finance (DeFi)Ethereum

0x is an open protocol that enables peer-to-peer trading of assets.

San Francisco, United States
April 2022
$70.0M
Series B

Founder Contacts

19,000+ verified contacts

BlockchainGaming

Kangaroo brings you closer to your favorite celebrities and characters through interactive storytelling.

San Francisco, United States
April 2022
$3.3M
Seed

Founder Contacts

19,000+ verified contacts

Freight ServiceLogisticsService IndustrySupply Chain ManagementTransportation

Convoy is a digital freight network that moves truckloads and design solutions that address supply chain inefficiencies.

Seattle, United States
April 2022
$250.0M
Debt Financing

Founder Contacts

19,000+ verified contacts

ComputerCyber SecurityNetwork SecuritySaaS

Obsidian Security is a threat detection and posture management for business-critical saas applications.

Newport Beach, United States
April 2022
$90.0M
Series C

Founder Contacts

19,000+ verified contacts

AI InfrastructureArtificial Intelligence (AI)Information TechnologyMachine LearningSoftware

TruEra provides AI quality management solutions that test, optimize, and monitor machine learning models.

Redwood City, United States
March 2022
$25.0M
Series B

Founder Contacts

19,000+ verified contacts

BlockchainMetaverseSocialSoftwareWeb Browsers

Portals is a no-code, in-browser game platform that enables anyone to unleash creativity to build and explore immersive, monetizable games.

San Francisco, United States
February 2022
$5.0M
Seed

Founder Contacts

19,000+ verified contacts

Human ResourcesProductivity ToolsSoftwareVirtual Workforce

Glue is an all-in-one tool to maintain and enhance corp culture and morale through team events, employee rewards, and measured results.

Seattle, United States
February 2022
$18.5M
Series A

Founder Contacts

19,000+ verified contacts

App DiscoveryContent CreatorsDeveloper PlatformDeveloper ToolsSocial Media

Koji is the world's most powerful link in bio platform, building the app store for the Creator Economy.

New York, United States
January 2022
$20.0M
Series B

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Health CareHealth DiagnosticsInformation ServicesSoftware

Notable is the AI platform for healthcare operations.

San Mateo, United States
November 2021
$100.0M
Series B

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Data Collection and LabelingGenerative AIInformation TechnologyMachine LearningPrivacySoftware

Gretel is a multimodal synthetic data platform that leverages advanced generative AI and privacy-enhancing technologies.

San Diego, United States
October 2021
$52.2M
Series B

Founder Contacts

19,000+ verified contacts

AnalyticsBig DataData IntegrationEnterprise SoftwareMarketing Automation

MParticle provides a customer data platform that manages and orchestrates customer data for businesses in real time.

New York, United States
October 2021
$150.0M
Series E

Founder Contacts

19,000+ verified contacts

AppsInformation TechnologyOpen SourceSoftware

SST is an open-source framework for building full-stack applications.

San Francisco, United States
July 2021
$1.0M
Seed

Founder Contacts

19,000+ verified contacts

Credit CardsCryptocurrencyDebit CardsFinTechPayments

Marqeta is a card issuing platform that provides infrastructure and tools to help companies build and manage payment programs.

Oakland, United States
June 2021
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyFood and BeverageFood ProcessingNutrition

SIMULATE's mission is to upgrade the world to a positive food system.

New York, United States
June 2021
$50.0M
Series B

Founder Contacts

19,000+ verified contacts

Showing 101-125 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, Information Technology, Artificial Intelligence (AI), Machine Learning, Blockchain. The firm invests across 76 different industry categories.

What is Greylock's largest investment?

Among tracked funding rounds, Adept AI received $350.0M in a Series B 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 Airspeed, Adept AI, HeadRace, Matchday, Citymapper. These companies were founded in 2020 or later.

Explore Other Top Investors

Discover portfolio companies of other leading venture capital firms and investors.

View All Investors