Skip to main content

Greylock — Portfolio

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

268
Companies
$7.6B
Total invested
$33.2M
Avg. check
64
Industries
Software 8Artificial Intelligence (AI) 7Information Technology 5Real Estate 3Finance 3Apps 3+58 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

jane@on●●●●●●●.com
linkedin.com/in/●●●●●●
Verified contacts, updated monthly
Get instant access →

Portfolio companies

Showing 124 of 268
Patent Lee
September 2025

AI/data-driven company delivers precision medicine, AI health advocates and regulatory data solutions for rare disease patients.

St. Petersburg$2.2M Seed
Rhumbix
September 2021

Rhumbix is a construction field data company that digitizes field data and workflows into the cloud via mobile device.

Analytics · San Francisco$11.0M Venture - Series Unknown
REZI
September 2023

REZI is a rental company that provides leasing and financial technology for tenants, property owners, and landlords.

Financial Services · New YorkSeries B
Bluesky
September 2022

Bluesky is a tech startup that provides workload optimization and cost governance tools to data-driven organizations.

Analytics · Menlo Park$8.8M Seed
Ribbon Home
September 2021

Ribbon is an alternative home lender that enables you Buy Before You Sell, Make a Cash Offer, or Buy if You Don't Qualify for normal loan.

Finance · Dallas$200.0M Debt Financing
Falkon AI
September 2022

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

Artificial Intelligence (AI) · Seattle$16.0M Series A
Pinata
August 2022

Pinata makes IPFS easy.

Blockchain · Omaha$18.0M Series A
Abnormal AI
August 2024

Abnormal AI is the leading AI-native human behavior security platform.

Artificial Intelligence (AI) · Las Vegas$250.0M Series D
Atomic AI
August 2023

Atomic AI combines machine learning with structural biology to enable the design of RNA-targeted small molecules and RNA-based therapeutics.

Artificial Intelligence (AI) · South San FranciscoSeries A
Immigo
August 2022

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

Communities · San Francisco$1.1M Pre-Seed
Klang Games
July 2022

Klang Games is a video game studio developing simulation focused on virtual worlds, interactive storytelling, and online multiplayer gaming.

Android · Berlin$41.0M Series C
Sweatcoin
July 2022

Sweatcoin is a digital currency backed by economic value of physical movement.

Apps · London$13.0M Initial Coin Offering
SST
July 2021

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

Apps · San Francisco$1.0M Seed
Opal Security
June 2026

An identity and access management platform that offers a consolidated view and control of your ecosystem from on-prem to cloud and SaaS.

Cloud Security · San Francisco$23.0M Venture - Series Unknown
Mandolin
June 2025

Mandolin delivers precision automation tools for specialty drug processing workflows.

Artificial Intelligence (AI) · San Francisco$40.0M Series A
Scenery
June 2022

Scenery is a collaborative video editor on the web for teams creating video together.

Video · Burlingame$14.6M Series A
Postscript
June 2022

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

Advertising · ScottsdaleSeries C
Niteshift
June 2026

Niteshift is a software development company that builds the full-stack cloud platform for coding agents.

New York$7.0M Seed
Pine
June 2025

Pine is a real estate company transforming homeownership by delivering a digital-first, direct-to-consumer platform for mortgages.

Artificial Intelligence (AI) · TorontoSeries B
Nuro
May 2026

Nuro is a robotics company specializing in the development of autonomous driving technologies.

Artificial Intelligence (AI) · Mountain ViewVenture - Series Unknown
Natoma Labs
May 2025

Accelerate enterprise adoption of agentic AI, without compromising security.

Los Altos$7.0M Seed
District
May 2026

District is a platform for commerce that enables anyone to create and expand their own brand.

Internet · San Francisco$14.7M Seed
Vori
May 2026

Vori is a B2B operating system for the grocery industry, streamlining operations and democratizing food supply access.

Apps · East Palo AltoSeries B
Altara
May 2026

Altara is building a scientific-intelligence AI platform that analyzes complex physical-science and engineering data.

San Francisco$7.0M Seed

Where Greylock invests

Software8
Artificial Intelligence (AI)7
Information Technology5
Real Estate3
Finance3
Apps3

About Greylock's portfolio

How many companies has Greylock invested in?

Greylock has invested in 268 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), Information Technology, Real Estate, Finance. The firm invests across 64 different industry categories.

What is Greylock's largest investment?

Among tracked funding rounds, Abnormal AI received $250.0M in a Series D round. Greylock's total known invested capital is $7.6B.

What is the average investment size for Greylock?

Greylock's average investment size is $33.2M across its portfolio of 268 companies.

What are Greylock's most recent investments?

Recent Greylock portfolio additions include Patent Lee, Rhumbix, REZI, Bluesky, Ribbon Home. These companies were founded in 2020 or later.

Reach the founders behind these 268 companies
Verified emails and LinkedIn profiles, updated monthly.
Get instant access →