YC-Backed Companies
5,949 Y Combinator portfolio companies tracked in the Altss database. For each company, Altss surfaces which family offices have co-invested alongside YC.
Summer 2018
(39 companies)
Perception Biosystems
Democratizing gene therapy by reinventing its manufacturing and…

Phiar
We are developing a revolutionary AI-powered augmented reality…

Pine Park Health
We provide primary care in senior living communities.

Pocket Worlds
Our platform enables creators to build experiences, games, and worlds…

Prodigal
Lending Intelligence Software
fintech · United States

Purple Plate
We license brands for delivery and pick-up

Quickchat AI
Conversation Design platform to build Al Assistants tailored to your…

Quo (fka OpenPhone)
The all-in-one business phone for teams.

Radix Labs
Operating systems for biology labs

Rain Neuromorphics
We build artificial intelligence processors inspired by the brain.

Rebellyous Foods
Rebellyous Foods is a food manufacturing technology and production…

Regology
AI Agents for Regulatory Compliance

Rejuvenation Technologies Inc.
mRNA therapeutics to extend healthspan entering clinical trials

RevenueCat
A simple API for managing in-app subscriptions

SPATE
Trends prediction for marketers

Satchel

Scanwell Health
Smartphone-enabled, at-home diagnostics

Shelf Engine
Transforms how grocery stores buy highly perishable foods.

ShopWith
ShopWith is mobile QVC for GenZ.

SkydropX
Logistic Management System for E-commerce & Retail in Mexico.

Spero Foods
dairy reinvented from plants

Synkrino Biotherapeutics
Synkrino's AI, SATIS is a powerful, unbiased discovery system for…

TENDERD
AI Platform for Efficient and Sustainable Operations
technology

Tall Poppy
Protecting your employees against online harassment
The Buttermilk Company
Instant, fresh ethnic food that actually taste homemade. We're…

The Good Food Institute
Building a world where alternative proteins are no longer alternative.

The Supplant Company
A brand-new blend of sugars – made from plant fiber!

Titan
Titan is an award-winning wealth manager with a mission to increase…

UBITS
Learning Hub for companies in Latam

User Hero
A hub for all your user research.

Verse Medical
Software platform for in-home healthcare

Vimcal
The world's fastest calendar, beautifully designed for remote teams.

Warpdrive by Synthetic Minds
From screen recordings to desktop automations using program synthesis

Xkit
Universal CRM integration for B2B SaaS apps

ZiffyHomes
ZiffyHomes is managed corporate housing for white collar employees in…

dNovo
The cure for hair loss.
healthcare · United States

hypcloud
A tech-enabled commercial mortgage broker. hypcloud allows property…

iLabService
Powering the Future of Lab Operations with AIoT!

numericcal, inc.
Distributed AI for Industrial Process Monitoring and Optimization.
Summer 2017
(125 companies)
10 By 10
10by10 is a unique marketplace in the recruiting agency industry for…

Advano
Advano is a battery technology company that improve the longevity of…

Aecore
Vertically integrated commercial construction

Airthium
Decarbonized heat and power cheaper than fossil fuels
energy · France
And Comfort
And Comfort is a direct to consumer fashion brand.

AssemblyAI
The best way to build Voice AI apps
technology · United States

Audm
Audm is a subscription service providing mini-audiobooks —…
AutoHub
We help dealerships appraise vehicle trade-ins more efficiently…

BillionToOne
The genetic testing platform detecting and measuring disease.

Bloom Institute of Technology
The online coding school that invests in you.
education · United States
Bumpline
Captain Tailor is the Uber for tailoring.
Caelum Health
Caelum Health is replacing drugs with software. We use behavioral…

Cairns Health
Your voice. Your health. We care.

Cambridge Cancer Genomics
CCG.ai empowers clinicians to make personalised treatment strategies…

Candidately
The digital storefront for staffing and recruiting teams.
CarDash
Managed marketplace for automotive services.

Carrot Fertility
Customized fertility benefits for modern companies.

Cashfree Payments
Next-gen digital payments provider for India.
CocuSocial
Marketplace for local activities.

Commissary Club (formerly 70 Million Jobs)
First agentic AI-powered community for 1 billion people with criminal…

Covetly
#1 Collectibles Marketplace: Authentic Vinyl Toys, Comics, Funko Pop

D-ID
Enable creators and developers to generate realistic AI personas
technology · Israel

Darmiyan
Early detection of Alzheimer's disease

Dharma Labs
The easiest way to buy 74k+ crypto tokens with USD
financial services · United States
Dropleaf
Subscription service for all you can play indie PC games.

Eduflow
Create and run collaborative online learning experiences.

Elucd
Polling through mobile ads to enable governments to make better…

Entocycle
Automated factory to produce insect protein for farm animals.

Enzyme
Automating regulatory approval & compliance for life science companies
technology · United States

Escher Reality
The backend for Augmented Reality.

FAZZ
All-in-one Finance for Every Southeast Asia Business

Fam
Video calling social network to talk with friends and make new friends
fintech · India
Fastpad
Hiring Software for India

Fat Llama
Fat Llama is the first fully insured peer-to-peer rental marketplace.…
marketplace · United Kingdom

Feather
Furniture rental for consumers and businesses.
fintech · Germany

Flock Safety
The first public safety operating system that eliminates crime.
security · United States

Flowspace
The operating system powering ecommerce fulfillment
industrials · United States

FollowUpThen
FollowUpThen is an email-based personal assistant that sends you…

Forever Labs
We bank your stem cells to help you live healthier, longer.
healthcare · United States
Gameday
Play fantasy sports with friends on Facebook Messenger

Gamelynx
Easily watchable cross-platform competitive games.

Gem
Talent engagement platform
consumer · United States

Goodcover
Digital Co-op Renters Insurance = half the price, better coverage.
Goosebump
Find the best electronic music events in a single message.
Greo
Greo is a mobile video app for conversations about current events.

Guggy
Guggy is building the messaging app of the future with real time,…

Guilded
Chat for gaming communities

Headstart
Headstart uses Machine Learning to help companies decide on who to…

Helium Health
Africa's #1 healthcare technology provider.
healthcare · Nigeria
HelpWear

Honeydue
The simplest way for couples to manage money, together

Indivio
Customize videos to be more relevant and improve business outcomes.

Jerry
Jerry makes it really easy to save time and money on car expenses.
fintech · United States
Just Appraised
Just Appraised makes software for local governments.

Leon & George
Buying and owning indoor potted plants made easy.

Long Term Stock Exchange
LTSE is an ecosystem for visionary business.

LotusPay
Recurring payments solution for businesses in India.
Lyrebird
Our tech speaks for itself.

May Mobility
Transforming cities and rural areas through AV transit and technology
Meetingbird
Automated meeting scheduling for teams

Modern Fertility
At-home fertility test for women who aren't ready for kids right now…
Modular Science
We're making it easier to do sustainable farming.

Muzz
Where Single Muslims meet

Mystery.org
We help kids stay curious by creating better explanations.
Mystro
Mystro is an app that makes rideshare drivers up to 30% more money by…

NextDrop
NextDrop is the water marketplace for urban India. We connect water…

Nimble
Data-driven teacher hiring

Nobell Foods
Cheese and dairy products from plant-derived dairy proteins

Officely
Building next generation tools for the hybrid workplace
Oncobox
Finding the right cancer drug for each patient.

OneLocal
OneLocal is a CRM for local businesses.
Opearlo
Opearlo produces voice apps for Amazon Alexa and Google Home.

Passerine Aircraft
Passerine Aircraft is building the next generation of dronesWe are…

Pathrise
YC for your career

Percept.AI
AI support agent for your business that actually works

Piggy
App for Indians to make investments in mutual funds, manage their…

Plasticity
Natural language processing APIs for developers.

Polly
Polly is a social polling app for Snapchat and Instagram stories.

Pop Meals
Pop Meals is a restaurant chain without chefs. All recipes are…

PreDxion Bio
Rapid, scalable diagnostic for SARS-CoV-2 and beyond

Prelim
Software for banks to open bank accounts
Prism Labs

PullRequest
Code review as a service - combining automation with a network of…
Py
Py is democratizing access to career opportunities in tech

Pyka
Autonomous electric airplanes

Rabbet
Bringing efficiency, accuracy and transparency to construction finance

Relationship Hero
Dating & relationship coaching sessions for individuals and couples

Releaf Earth
Turning food waste into Biochar to remove CO2 from the atmsophere
Rev Genomics
Rev is a biotechnology company creating better plants.

Ribbon Health
Health enterprise API for data on doctors, insurance, costs, & quality
healthcare · United States
RideAlong
We save lives by giving police and health workers key info to safely…

Roofr
Sales software for roofers. Aerial measurements + proposals in seconds
fintech · United States

Routable
Simplifying payouts at scale

SafeButler
Your chief servant for shopping insurance

Semantix
AI for medical billing

Sixty
On demand web app help

Skyscrape
Skyscrape makes temperature-responsive insulation

Skyways
Creating a new form of air transportation to advance our civilization
Slik
Slik enables the long tail to use email outreach.

Social Construct
Social Construct designs and assembles large apartment buildings …
Solve
We save travelers hours by meeting them at their arrival gate,…

Sourceress

Spect
Value-based retinal screening in primary care to prevent blindness.

Standard AI
AI-powered checkout for retail.

Storyboard
Social media management tool for Instagram and Snapchat

Sunfolding
Sunfolding builds next generation infrastructure for solar farms. By…

Sunu
Audio and Haptics AR interface equipping blind users with super powers
Surematics
We help commercial insurance brokers structure complicated…

Templarbit
Protecting applications from malicious activity
technology · United States

Tesseract
Tesseract builds better thrusters for modern satellites

Thematic
Customer intelligence for Enterprise CX teams. The grounded…
ThereCraft

Truepill
API-connected healthcare infrastructure.

UpCodes
AI platform for unifying codes, assemblies, products, and specs
construction tech · United States

Upfort
Turnkey security & hassle-free cyber insurance from leading insurers
VIDA & Co.
Platform for unique products produced on-demand at mass-scale
Value Voting
Platform to defeat political extremism through strategic primary…

VergeSense
AI-Powered Building Management

WATERFX
The world's first 100% sustainable water provider (aka alternative…

WheelStreet
WheelStreet is a Motorbike rental marketplace that connects…
consumer internet · India

Wildfire
Social news app

Zendar
We make high definition radar allowing self-driving cars to see in…

bxblue
bxblue is a marketplace for people with guaranteed income in Brazil.…

disclosures.io
The Complete Listing Toolkit for the New Era of Real Estate

tpaga
First financial Superapp of Latin America
Summer 2016
(36 companies)Abundance Labs
Abundance Labs incubates and builds alternative currency marketplace…

Airfordable
Buy flights for only a fraction upfront and pay off the rest in…
Airo Health
Airo is an AI to passively track and manage your mental health.

ApolloShield
ApolloShield is a system that detects unwanted drones and drives them…

Athelas
Extensible, Integrated Technology that Simplifies Health Systems
healthcare · United States

Bird
The world’s largest omnichannel communications platform

Bulldozair
Construction management platform
real estate and construction tech · France

Burrow
A design brand creating innovative, award winning furniture.

CareRev
Seamlessly connecting healthcare facilities and professionals through…

Circa
Event marketing CRM

Clip Health
Testing & treatment at home, in minutes, for chronic & acute disease
CoinTent
Recover revenue lost to ad blockers
Coub
Coub is YouTube for video loops. You can take any video from YouTube,…

CrowdAI
CrowdAI is the world's leading no-code platform for vision AI

Curtsy
Curtsy is a sustainable clothing resale app.

Drivezy
India's largest vehicle sharing platform, turning people's vehicles…
mobility · India

Elemeno Health
Just-in-time training and communication for frontline healthcare teams

Emote
Catch student behavior problems before they start.

Expo
Expo brings together the best of web and native app development
Fabric
Fabric is a personal location-based journal that catalogs experiences…
consumer tech · United States
Farmstead
An AI-powered digital grocer that delivers in under 60 mins.
consumer staples · United States

Flutterwave
Helping businesses make and accept payments from anywhere in Africa.

GTRACK Technologies
Nanoparticle tracers for reservoir characterization during hydraulic…

GoGoGrandparent
A concierge service for seniors’ rides, meals, meds, home and more.
Haywheel
Haywheel is an artisan food marketplace for restaurants and specialty…
Hellobill
Hellobill aggregates all your business bills, automatically, every…

HiOperator
Customer support as a service.
Hush
Hush is the top social commerce app in the United States.

Innov8
We provide co-working offices to startups, freelancers and SMEs in…
real estate · India

Instrumentl
Instrumentl automates grant discovery and management for nonprofits.
financial services · United States
Iris Automation
Enabling autonomous drone operations globally through AI software

Joy
The platform for all your life events.
consumer · Sweden
Jumpcut
Helping creators go viral and build businesses.

Kenota (formerly ExVivo Labs)
Kenota is revolutionizing the way we test for disease

Legalist
Legal investment firm

Lendsnap
The Digital Mortgage Company.
Which family offices back YC companies?
Altss tracks family office deal activity across the YC portfolio. Request access to see investor-level data, round participation, and LP mandates.