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 2019
(108 companies)
InEvent
In-Person, Hybrid and Virtual Event Management Software

Intersect Labs
Collaborative data noteboook for business teams

Juno College of Technology
Juno is the university of the future.

Jupiter
AppLovin for the food community

Kern Systems
Using DNA to store data.

Khabri
India's Largest Podcast Platform

Kitekraft
Building flying wind turbines.

Kraftful
Copilot for product teams
technology · United States

KubeSail
The Self-Hosting Company

LAIKA
Online pets supplies for Latin America with over 4000 products & 20…

Lantern
User behavior monitoring for modern product teams

Legacy
Legacy helps you test, improve, and freeze your sperm
healthcare · United States

Lightwell

LineLeap
LineLeap gets customers to the fun, faster.

Localyze
Global mobility platform for companies and employees

Lofty
Building the NASDAQ for Real Estate.

Lokal
Local news, information and classifieds for India's small town users
consumer · Norway

Lucid Bots
We build robots for dull, dirty, and dangerous jobs.

Lumineye
X-ray Vision for First Responders

LunaSec
An Open Source dependency security tool that is smarter than the rest

Meridian Industries
Index is the modern business intelligence platform

Method Financial
Financial connectivity API for consumer liabilities

Microverse
Training and connecting untapped talent with global opportunities

Mighty Health
All-in-one health program helping seniors with their daily function

Million Marker
23andMe for environmental exposures

Mindset Health
Building AI therapeutics for physical health conditions like IBS.
healthcare · Australia

Mipos.dev
Api that let you connect all the restaurant tech services in Latam

MoFE
Next generation Disney.

Mudafy
The LatAm tech-enabled real estate broker to buy and sell houses.

Muddy
The multiplayer browser that knows you

Multis
Accounting & Treasury Management Software for Web3 Teams
fintech

MyPetrolPump
On demand fuel delivery service in India

Namaste Business
Shopify for a mobile first world

Narrator
The only platform that can prep data to answer EVERY question you…

Nonu
We deliver hair loss medicines for Indian men on a subscription basis.

Obie
Moving Investment Property Insurance Forward

Odeko
Our operations software makes it easier to run--and grow--your cafe

Odin
Save, organize and showcase your mental dump

OpenReplay
Open-source, self-hosted, session replay tool for developers.

Outtalent
We help top engineers from emerging markets get jobs abroad at…

Pair Team
Building the safety net of the future

Palifer
Predictive maintenance models for trains and heavy industry

Path
Financial advisors for Gen-Z

PayMongo
Modern online payments for the Philippines
fintech · Philippines

Pillar
All-In-One Creator Store
media · United States

Pippin / Rent the Backyard
Autonomous homebuilding factory for the $1.7 trillion housing crisis.

PlayAbly
We build games to help brands engage, convert, and retain customers

Playground
Make graphics like a Pro without being one

Plotdrive
AI that remembers your book and helps you finish it

PopSQL
SQL editor for teams
United States

Preclusio
We help companies comply with privacy laws like GDPR. Many of these…

PredictLeads
Best in class company intelligence data.

Prenda
K-8 microschools in your neighborhood

Prolific
Making diverse, high-quality data easily available to anyone, anywhere
research technology · United Kingdom

Prompt
Helping busy professionals understand and maintain their relationships

Proof Trading
Institutional equities broker-dealer

Rainbow
Open-source, design centric software for interacting with blockchains

Ramen VR
Ramen VR is transforming game development with advanced XR + AI tools.

Recidiviz
Helping create a smaller, fairer, safer justice system

Revel
We Deserve More in Midlife
business / productivity software · United States
ReverCare
Concierge for elder care

Rosebud AI
Vibe code games.

Rutter
The Unified API for Business Financial Data

Sable
Mobile bank for credit-worthy, new-to-America internationals offering…
fintech · United States

Safely Finance
BNPL for moving and renting.

Sequence Bio
Discovering the true signals of disease to power life-changing drugs.

Shift Health
Turn manual healthcare process into automated workflows

Shiru
Shiru leverages ML to create proteins to feed the world sustainably.

Short Story
Modern ecommerce for petite women

Soteris
We write ML software to more accurately select & price insurance risk.

Souffle Club
Souffle Club:10x better LinkedIn alternative with profiles >> resumes

Spice Data
Restaurant Data for the Enterprise

Superorder
AI customer reputation & performance management for restaurant chains.

Swadesh
We setup Immigrants with a free US Bank Account, Credit Card, SIM…
fintech · India

Symplex
Applied Reinforcement Learning Research Laboratory

TRM Labs
TRM is building a safer financial system for billions of people.

Tandem
Tandem is a virtual office for remote and distributed teams.
technology

Taskade
One prompt. One app. One living workspace for teams.

TaxProper
TaxProper helps large Real Estate owners manage their property taxes.

Tensil
We turn machine learning models into custom hardware.

Together Software
Learn from the experts at your company.

Traces
Transform your video monitoring with AI

Tranqui Finanzas
Debt Management for Latin America.

Trella
Trella is a platform that connects shippers to carriers. Trella…

Unflow
The next generation CMS built for mobile apps

UpEquity
UpEquity gives homebuyers more certainty and power.

Vahan
AI recruiter for India's massive blue-collar workforce
hrtech · India

Valiu
USD mobile banking for LatAm's businesses and people
fintech · Colombia

Vendr
The AI negotiation agent to help you save money on SaaS.

Vitau
Subscription pharmacy for patients with chronic diseases in LatAm.

Vizy
An all-in-one virtual office for remote teams

Vorticity
The Fastest Scientific Computing Platform on the Planet

Vouch
Insurance and risk management tools for startups and growth-stage…
fintech · United States

Voyage Biomedical
Using cooling to end brain damage during stroke.
healthcare · United States

Wasmer
The Operating System for Edge Computing

Well Principled
The neural engine for autonomous robots

Wingman
Wingman helps inside sales reps with coaching while they're on a call.

Wren
Wren is a monthly subscription to offset your carbon footprint.
sustainability · United States

Yummy Future
We build robotic workforces for the food & beverage industry.

ZETA SURGICAL
Next-Generation Surgical Navigation and Robotics

Zeal
Modern payroll for modern work

Zergo
We make a urine test that helps women get pregnant.

Zippi
Payment Platform for LatAm Micro and Small Businesses
fintech · Brazil

matagora
Empowering local retailers with tech that works for them.

spotLESS Materials
Repellent coatings without PFAS

stoic.
Stoic helps people feel better and take care of their mental health.

treble.ai
We help companies scale marketing campaigns through WhatsApp

zeroheight
The design system layer for coding agents
Summer 2018
(92 companies)
64x Bio
Enabling next generation medicines. A comprehensive platform and…

Activeloop
Database for AI

Aesthetic
Your AI-powered creative apprentice 🪄
consumer · India

Ajaib
Consumer fintech for Indonesia
fintech · Indonesia
Allotrope Medical
Advancing surgical precision through safe electrical stimulation.

Alpha Vantage
Developer-friendly and enterprise-grade APIs for financial market…

Anima App
Design to Code & On-brand Vibe-coding

AnnieCannons
Connecting Survivors to Careers in Tech

Apprentice Health
We deploy sensors and software that increase hospital efficiency.

AskMyClass, now Soundkins
Audio learning assistant for teachers and students.

Avo
Online convenience store for residential and office buildings

BHRD
BHRD ("Be Heard") helps public companies communicate with investors.

Berbix
Convert more verified users. Instantly & accurately validate user IDs.

BlueCargo
The automated solution for complex freight transactions.

Bot MD
AI Clinical Assistant for Doctors
healthcare · Singapore

BrainHi
Automated receptionist that answers missed calls for local businesses

C16 Biosciences
Next-gen ingredients to decarbonize consumer products, starting w/…

CB Therapeutics
Fermentation-derived natural products to solve health problems

CSPA
The Computer Science Proficiency Assessment (CSPA™) is a…
education · United States

Calii
Full-stack grocery delivery in LatAm
consumer · Mexico

Canary Technologies
Modernizing the hospitality tech stack.

Circumvent
Utilizing monogenic disorders to inform and solve highly complex…

Clear Gene
Our tests help eradicate cancer by telling doctors whether they got…

College Pulse
Research and analytics company focused on college students.

Contrast
Developer Handoff - Reimagined for Storybook

Coral Genomics
New clinical tests for managing autoimmune treatments.

Corvus Robotics
Autonomous drones to help warehouses scan inventory.

Cowrywise
Digitizing wealth management in Africa

Culdesac
We build cities for people, not cars.

Curebase
Modern, AI-powered clinical trial software platform.
Data Driven Bioscience
Cancer Diagnosis 10X faster, 10X cheaper

Demeanor.co
Now part of thentwrk.com

Dinesafe
We crowdsource food safety reports & detect and prevent outbreaks.

Dorian Therapeutics
New therapeutics to rejuvenate tissue and treat age-related diseases

DreamCraft Entertainment, Inc.
Platform that allows anyone to create and monetize video games.

Duffel
The complete toolkit to sell travel.

Easol
Shopify for experiences
travel technology · United Kingdom

Eden
Developing AI to unleash diagnostic abundance.
fintech · United States

Embeddables
The funnel builder built for health & wellness brands.

Enveritas
We verify global supply chains for issues like child slavery and…
ExceptionALLY
Affordable expertise for special needs parenting.

FREY
FREY is a line of exceptional laundry and clothing care products.…
FameGame
Live and interactive TV shows for mobile - starting with American…

Federacy
Penetration testing and bug bounty platform.

Fintual
Wealth manager
fintech · Chile

Four Growers
Robots that feed the world - robotic harvesting and analytics
Gerostate Alpha
Developing novel therapeutics for aging and chronic disease

Goodly
Student loan repayment as an employee benefit.
fintech · United States
Grabb-It
Grabb-It is a location based Dynamic Digital - OOH advertising…

Grin
Mobility and payments platform for Latin America

HappiLabs
Virtual Lab Managers for scientists and biotech, research Labs

Helicarrier (prev Buycoins)
Cryptocurrency infrastructure for Africa.

Hepatx
Replacing organ transplant with an infusion

HeyDoctor
HeyDoctor provides online primary care (like refilling birth control,…

Honeylove
Honeylove makes functional undergarments for women

INKHUNTER
Augmented Reality mobile app to try and buy tattoos

Impactive (formerly Outvote)
Political/civic tech helping progressive campaigns organize & mobilize

Inokyo
We bring physical stores to the digital age with cashierless checkout.

Inscribe
AI Document Fraud Detection for Banks, Credit Unions & Lenders
United States
Ixora
We create the digital outdoor environment for a movie.
JITX
Automatic circuit board design.

Khatabook
Manage your ledgers and avail Financial Services like Lending on your…

Kinside
Powering the $648b Care Economy

Klarity
Klarity: Your Always-On AI Analyst, Advisor & Coach

Kobo360
Africa's leading supply chain technology platform.

Kunduz
Kunduz provides instant answers to students' questions and makes…

LabelFlow
GitHub for visual data

Leena AI
We at Leena AI build a virtual assistant that answers employee's…

LemonBox
AI-generated personalized nutrition solutions, built for you daily.

Lowkey
Capture, create, & share gaming moments (Acquired by Niantic!)

Mark Cuban Cost Plus Drug Company, PBC
Making low cost versions of high cost generic drugs.

Medinas Health
Medinas helps hospitals manage their inventory and buy and sell their…

MentalHappy
Group-Therapy Platform for Providers and Health Systems
consumer · United States

Meru Health
An online provider for greater mental health
healthcare · United States

Modern Treasury
Payment operations tools for money movement.
fintech · United States

Momentus
The space infrastructure services company
industrials · United States

Mutiny
Your AI agent for creating anything customer-facing, in minutes.
marketing tech · United States

Mylk Guys
Amazon for Vegans

Mytos
Robotic human cell manufacturing

Names & Faces
Technology to create fast, visual indexes of people and organizations.

Nestor
Skills-based talent management solutions for a dynamic workforce.

Nova
Digital subscriptions that delight investors.

OWNY
Manage capital, investors & banking in one place.

OkCredit
Simple and secure bookkeeping for Indian businesses.

OneGraph
GraphQL API to connect all of the internet's APIs. Join us at Netlify!

OpenWrench
We help retailers and restaurant chains manage repairs and…

Optic
Making APIs Developer-friendly

Oxygen
A leading digital bank in the US offering personal and business…
financial services · United States

Paladin
We deploy autonomous drones to 911 calls. Our software gives first…

Papa
One-stop-shop for flexible family care
healthcare · United States
Passenger AI
Software for robotaxi operations.
Penta Medical
Smart hardware for injury recovery.
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.